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HP Designjet T1100/T1100ps/T610/ T1120/T1120ps

1. 12 When all cartridges have been inserted close the cover Printhead Information Replacement and Alignment Obtaining Printhead Information 1 Scroll to the Ink Menu icon and press OK 000e INA H Ink 2 In the Ink Menu submenu scroll to Printhead information and press OK e View ink levels Replace ink cartridges Replace printheads HA Ink cartridge information H Printhead information 3 In the Printhead Information submenu scroll to the Printhead that you want information on and press OK Printhead information e View G PEK printhead 1 eVYiew ME Y printhead 2 View M C printhead 3 4 The front panel displays information on the selected Printhead G PK printhead 1 Color Gray Photo black Product name HP 72 Product number C9s004 Serial number 4 1 1941 4 8 41 Warranty status In warranty The information supplied is HP Designjet T Series Service Manual 1 45 Ink Supplies Troubleshooting The make of the printhead hp no 72 is recommended The product number of the Printhead The serial number of the Printhead The current status of the printhead How much ink has been fired consumed by the printhead Note It is possible for a printhead to consume more than one Ink Cartridge E The current warranty status of the Printhead Changing a Printhead 1 Scroll to the Ink Menu icon and press OK View ink levels Replace ink cartridges m Replace printheads H Ink
2. HP Designjet T Series Service Manual 6 177 Removal and Installation Carriage PCA T1 100 T1 100ps T6 10 9 Remove the four T 15 screws that secure the Ink Supply Tubes to the Carriage Assembly mM ee 99 oo a Ta Se 10 Caretully lift out the Ink Supply Tubes and close the carriage cover at the same time 11 Close and lock the Carriage Cover HP Designjet T Series Service Manual 6 178 Removal and Installation Carriage PCA T1 100 T1100ps T610 12 Caretully move the Ink Supply Tubes into the print path 13 Unclip and slide off the small cover of the Carriage Assembly Carriage PCA 14 Remove one T 15 screws that secures the large cover of the Carriage PCA HP Designjet T Series Service Manual 6 179 Removal and Installation 15 Remove the large cover of the Carriage PCA 16 Disconnect the ten ribbon cables from the Carriage Assembly PCB 17 Press the locking clip to release the Carriage Assembly PCB from the carriage 6 180 HP Designjet T Series Service Manual Removal and Installation Carriage PCA T1 100 T1100ps T610 18 Remove the Carriage PCA from the carriage When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual 6 181 Removal and Insta
3. 93 YZ Unable to pressurize the Ink Delivery System The ISS Motor does not move as expected Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer Perform the Ink Delivery System diagnostic test to further troubleshoot the problem See 7 Ink Delivery System IDS on page 3 35 2 32 System Error Problem Description Corrective Action 1 2 3 System Error Problem Description Corrective Action 1 2 3 4 System Error Problem Description Corrective Action 1 System Error Codes Full Descriptions Replace the Left Ink Supply Station depending on the results of the diagnostic test See Left Ink Supply Station on page 6 187 After replacing the Left Ink Supply Station if the problem persists replace the Main PCA See Electronics Module Main PCA and PSU T1100 T1100ps T610 on page 6 206 or Electronics Module Main PCA amp PSU T1120 T1120ps T620 on page 6 209 94 YZ Color calibration Error Try the following Profiling failed due to a different error not algorithm data processing Perform the Line Sensor calibration See Troubleshooting Line Sensor See The Line Sensor has Problems Detecting Media on page 1 5 If the System Error continues replace the Line Sensor See Line Sensor T1100 T1100ps T610 on page 6 156 or Line Sensor T 1120 1T1120ps T620 on page 6 161
4. 6 72 Remove the Aerosol Fan Assembly from the Service Station When you reinstall the Aerosol Fan Assembly make sure you position it so that the power cable is on the outside exiting to the right When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual Removal and Installation PrintMech PCA T1100 T1100ps T610 ONLY PrintMech PCA T1100 T1100ps T610 ONLY Removal Switch off the printer and remove the power cable The PrintMech PCA does not exist for 11120 T1120ps T620 printers This procedure is only for T1100 T1100ps and T610 printers Never replace the Printmech PCA at the same time as the Formatter If you must replace both parts always replace one restart the machine and then follow the procedure to replace the other For more information see Replacing the PrintMech PCA Media Advance Encoder PCA and Formatter on page 2 4 Never use a previously used Printmech PCA This can cause serious problems and may make the printer unusable See Replacing the PrintMech PCA Media Advance Encoder PCA and Formatter on page 2 4 1 Remove the Right Cover on page 6 27 2 Disconnect all the electrical connectors from the PrintWech PCA 3 Remove the grounding cable attachment screw from the PrintMech PC
5. 7 Make sure the Pinchwheel Alignment Tool is in the collapsed position HP Designjet T Series Service Manual 6 238 Removal and Installation Pinchwheel Assembly 8 Fit the end of the Pinchwheel Alignment Tool to the Pinchwheel Assembly you need to align Alternate view Step 8 9 Set the Pinchwheel Alignment Tool on the print platen The tool should fit like it does in the graphics shown HP Designjet T Series Service Manual 6 239 Removal and Installation Pinchwheel Assembly Alternate view Step 9 Bey Cog i z 4 F T a 10 Loosen the wing nuts on the Pinchwheel Alignment Tool 11 Allow the Pinchwheel Alignment Tool to expand Make sure that the tool is fully expanded HP Designjet T Series Service Manual 6 240 Removal and Installation Pinchwheel Assembly Alternate view Step 11 12 When the Pinchwheel Alignment Tool is fully expanded the Pinchwheel Assembly is properly aligned 13 Fully tighten the two T 15 attachment screws that secure the Pinchwheel Assembly to the printer HP Designjet T Series Service Manual 6 24 Removal and Installation Pinchwheel Assembly 14 Collapse the Pinchwheel Alignment Tool to remove it 15 Remove the Pinchwheel Alignment Tool from the printer When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform
6. Diagnostic tests also need to be performed after removing or replacing certain printer components If you have removed or replaced printer components check the Service Calibration Guide to Removal and Installation on page 6 5 to see which tests and calibrations you need to perform Service Calibration Guide to Removal and Installation on page 6 2 1 In the Diagnostics menu scroll to 5 Sensors and press OK Diagnostics menu Scan Axis Paper Drive Electronics Module Carriage Assembly Scns ors Rewinder 2 The Sensors test starts and the Front Panel then displays the following messages E Starting Horsburgh and Mips E Starting Nym E Starting Tests GPIO E Getting part number 3 The Sensors test starts and the Front Panel prompts you to verify default sensor positions Sensors Default conditions are Window Closed Pinchwheel Lowered Paper Unloaded Press any key to continue 4 Verity that the sensors are in the default positions and any key to continue HP Designjet T Series Service Manual 3 31 Service Tests and Utilities 5 10 1 12 13 14 15 16 3 32 The Window sensor test starts and the Front Panel prompts you to open the Window Test of Window sensor Please open the cover Press any key to continue Open the Window Press any key to continue The Window sensor test continues and the Front Panel prompts you to close the Window Test of Win
7. E Diagnostic Part 3 Printheads and Paper Advance test This test is designed to check whether the Printheads and the Media Advance Mechanism are working correctly 2 Image Quality Service Normal Plot This plot is the same as the Image Quality Service Best Plot but uses the Normal Print Mode 3 Advanced Diagnostic Plot These tests provide more information of the IQ defects that we could find in the Image Quality Service plot For more information see The Advanced Diagnostic Prints on page 1 15 Considerations for Printing the Diagnostic Print 1 The IQ Diagnostic Print prints in A3 and B sizes so you must have media loaded roll or sheet that is this size or larger 2 Use the same type of media that the customer was using when they found the image quality problem 3 If the customer is using non HP media and after the Image Quality Test you still have the same image quality problems change to genuine HP media and repeat the Image Quality Test If you do see problems with the Image Quality Test continue with the Advanced Diagnostic procedures which will help you diagnose the problem Printing the Diagnostic Print 1 In the Service Utilities submenu scroll to Diagnostic Print and press OK Service utilities me Turn Drive Roller e Purge Tubes Diagnostic Print e Set Date and Time e Enable Disable Firewall Reset User life counters h F a re fi ula 2 You will be given three options Use the Arrow keys to
8. E There has been a few cases where a print job that had a relatively small file size has triggered an out of memory message to be displayed Print jobs like this typically have a large number of objects in them or have complex objects such as raster images with gradients or objects with multiple layers Any print job that contains these type of images can result in a display list memory greater than 128MB Corrective Action Try the following 1 It is recommended that you remove any unnecessary files from the Hard Disk Drive of the Formatter using the Web Server 2 Itis also recommended that you upgrade the firmware to the latest version available at www hp com 3 Decrease the print resolution to 300 dpi If the customer does not accept the print quality after reducing the resolution or using Econofast printmode proceed to the workaround in step 4 E The resolution required by the printer to process the file is set by printmode selected Best Normal Fast There is a setting available that enables you to decrease the resolution for each printmode to 300 dpi If this setting is used the rendering resolution will be reduced but the output printing resolution will remain the default of the selected printmode There could be an impact on Image Quality because of the reduction in the rendering resolution this will be especially noticeable in circles and lines with very low inclination A HP Designjet T610 44in HPGL Printing Prefere
9. Removal and Installation Ink Supply Tubes T1 100 T1 100ps T61 0 7 Remove the four T 15 screws that secure the Ink Supply Tubes to the Carriage Assembly i ee IREI c Pegg M E Di 8 Carefully lift out the Ink Supply Tubes and close the carriage cover at the same time 7 tf 9 Close and lock the Carriage Assembly cover HP Designjet T Series Service Manual 6 192 Removal and Installation Ink Supply Tubes T1 100 T1 100ps T61 0 10 Caretully feed the Ink Supply Tubes into the print path area 11 Remove the top T 15 screw that secures Ink Supply Tubes guide to the printer 12 Remove the fwo front T 15 screws that secure Ink Supply Tubes guide to the printer al PE OT Dara HP Designjet T Series Service Manual 6 193 Removal and Installation Ink Supply Tubes T1 100 T1 100ps T61 0 13 Carefully lift the Ink Supply Tubes guide enough until you can slide it forwards out of the printer 14 Gently move the Ink Supply Tubes from the printer 15 Use a flat bladed screwdriver to release all the Ink Supply Tubes clamps from the printer HP Designjet T Series Service Manual 6 194 Removal and Installation Ink Supply Tubes T1 100 T1 100ps T61 0 16 Remove two T 10 screws that secure the left Side Plate of the Left Ink Supply Station 17 Remove the left Side Plate of the Left Ink Supply Station 18 Remove two T 10 screws that secure the right
10. Remove the Carriage Assembly See page 6 116 or 6 127 depending on the printer model Squeeze the left hand clip of the Carriage Rear Bushing sufficiently to be able to release it from the Carriage Assembly 6 137 Removal and Installation 12 Rotate the Carriage Rear Bushing vertically and remove it from the Carriage Assembly 13 When you reinstall the Carriage Rear Bushing use the Oil and Oil Dispenser from the Lubrification Kit to add 2 or 3 drops of oil to the small depression in it When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 6 138 HP Designjet T Series Service Manual Removal and Installation Left and Right Bumpers T1 120 T1120ps T620 ONLY Left and Right Bumpers T1120 T1120ps T620 ONLY Switch off the printer and remove the power cable 1 Remove the Right Cover on page 6 27 2 Remove the Left Cover on page 6 30 3 Remove the screw that secures the right bumper 4 Remove the right bumper 5 Remove the screw that secures the left bumper HP Designjet T Series Service Manual 6 139 Removal and Installation 6 Remove the left bumper 6 140 HP Designjet T Series Service Manual Removal and Installation Belt Assembly Belt Assembly Removal Switch off the printer and remove the power
11. Switch off the printer and remove the power cable HP Designjet T Series Service Manual Remove the Front Cover on page 6 16 Remove the Right Cover on page 6 27 Remove the Starwheel Assembly on page 6 214 Loosen the T 10 uncapping screw sufficiently so you can manually move the Carriage Assembly in step 5 If you are uncapping a 44 inch printer you will need to use either a very long or very short screwdriver to loosen the uncapping screw In this way you can loosen the screw and pass the rewinder motor Push the Carriage Assembly into the print path 6 Remove one T 15 screw that secures the Drop Detector to the Service Station 6 245 Removal and Installation Right Starwheel Litter T1 100 T1 100ps T610 7 Rotate the Drop Detector vertically to gain access to the two screws that secure the Right Starwheel Lifter 8 Remove two T 8 screws that secure the Right Starwheel Lifter to the printer 9 Rotate the Right Starwheel Lifter sufficiently to disengage the right attachment lug HP Designjet T Series Service Manual 6 246 Removal and Installation Right Starwheel Lifter T1 100 T1 100ps T6 10 10 Tilt the Right Starwheel Lifter sufficiently to disengage the left attachment lug 11 Remove the Right Starwheel Lifter from the printer Do NOT remove the spring from the Right Starwheel Lifter because it is difficult to reattach When you finish installing or r
12. The Front Panel then displays Formatter Hard Disk information test results and prompts you to press any key to continue Electronics Module Blacks 136521 oo 1052257 os 3146740 03 11534638 oo 9450156 oo 10614901 Press any key to continue Press any key to continue The Formatter hard disk file information test starts and the Front Panel displays the following messages E Getting File System Info HP Designjet T Series Service Manual 3 23 Service Tests and Utilities 23 The Front Panel then displays Formatter Hard Disk File information test results and prompts you to press any key to continue Electronics Module Device 1k Blocks Used 132207 12 11352976 1 9760 92 11 1G444ege AK Press any key to continue 24 Press any key to continue 25 The MainBoard Revision Voltage test starts and the Front Panel displays the following messages E Getting MainBoard Rev 26 The Front Panel then displays MainBoard Voltage test results and prompts you to press any key to continue Electronics Module MainBoard Revision voltage Q 406 Press any key to continue 27 Press any key to continue 28 The Main Memory Size test starts and the Front Panel displays the following messages E Getting Main Memory Size 29 The Front Panel then displays Main Memory size test results and prompts you to press any key to continue Electronics Module Main memory size 128MB Press any key to conti
13. 17 Press the locking clip to release the Carriage Assembly PCB from the carriage 18 Remove the Carriage PCA from the carriage When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual 6 186 Removal and Installation Left Ink Supply Station Left Ink Supply Station Removal Switch off the printer and remove the power cable 1 Remove the Lett Cover on page 6 30 2 Remove two T 10 screws that secure the Left Side Plate of the Left Ink Supply Station 3 Remove the Left Side Plates of the Left Ink Supply Station 4 Remove two T 10 screws that secure the Right Side Plate of the Left Ink Supply Station HP Designjet T Series Service Manual 6 187 Removal and Installation Left Ink Supply Station 5 Remove the Left Ink Supply Station bonding cable 6 Remove the Right Side Plate of the Left Ink Supply Station 7 Remove the T 15 screw that secures the Left Ink Supply Station to the printer HP Designjet T Series Service Manual 6 188 Removal and Installation Left Ink Supply Station 8 Remove the two T 15 screws that secure the Lett Ink Supply Station to the printer i F PAR Ep PEE La prih yt ee fr per rH Hee ua Teta fet spia F PTE F Fan rati AATA Fal 9 Discon
14. If the System Error continues replace the Carriage PCA See Carriage PCA T1100 T1100ps T610 on page 6 177 or Carriage PCA T1120 T 1120ps T620 on page 6 182 If the System Error continues replace the Formatter See Formatter on page 6 204 94 1 YZ Profiling algorithm tailed Try the following Profiling failed due to a different error not algorithm data processing Perform the Line Sensor calibration See The Line Sensor has Problems Detecting Media on page 1 5 If the System Error continues replace the Line Sensor See Line Sensor T1100 T1100ps T610 on page 6 156 or Line Sensor T 1120 1T1120ps T620 on page 6 161 If the System Error continues replace the Carriage PCA See Carriage PCA T1100 T1100ps T610 on page 6 177 or Carriage PCA T1120 T 1120ps T620 on page 6 182 If the System Error continues replace the Formatter See Formatter on page 6 204 98 YZ Automatic backup print mode enabled Try the following Switch the Power OFF from the back of the Printer and disconnect the Power HP Designjet T Series Service Manual 2 33 System Error Codes Full Descriptions cord Reconnect the power cord and power On the Printer E Recover the printheads HP Designjet T Series Service Manual 2 34 System Error Codes Appendix A How to troubleshoot SE 79 04 Introduction Possible causes 2 35 The System error 79 04 is a generic firmware error equivalent to a blue screen in Win
15. Ink Supply Station Al 6 187 oore Seeder far Fa Q5669 60703 Encoder Sensor 6 222 PA Q5669 60702_ Encoder Disk All T1120 T1120ps SV without Hard Disk CK837 67026 Drive T1120 K83767009 67009 CK837 67009 Saya Hard Disk Drive SV T1120ps 6 204 CK835 67002 T620 956670705 ez Q5669 60706 Media Lever Position Sensor 4 O O 5 14 HP Designjet T Series Service Manual Parts and Diagrams Left Hand Assemblies T1100 Q5669 60704 Media Advance Drive T1100ps a Keters fo the page in the Removal and Installation Chapter HP Designjet T Series Service Manual 5 15 Parts and Diagrams For information about changes to the formatter design see New Formatter Design on page 5 32 Figure 5 7 Left Hand Assemblies 5 16 HP Designjet T Series Service Manual Parts and Diagrams Carriage Assembly T1 100 T1 100ps T6 10 Carriage Assembly T1100 T1100ps T610 t Q5669 60689 Carriage PCA Covers 5669 60685 Carriage Latch Q4683 60189 Carriage Cover includes Carriage Latch All Q6683 60191 Carriage PCA 6 182 5 osese moor aa Me Q5669 60687 Carriage Rear Bushing T1100ps 6 137 T610 Q5669 67052 p 24 Inch Trailing Cable 6 102 Q6659 67015 44 Inch Q6683 67017 Carriage Assembly includes Line 1 Sensor Carriage Cover Carriage 6 127 Q6687 67009 Latch Carriage PCA Carriage AA inch Rear Bushing and Trailing Cable a Keiers to th
16. cartridge only if you are ready to insert another one Make sure the printer wheels are locked the brake lever is pressed down to prevent the printer from moving Change an ink cartridge using the following procedure HP Designjet T Series Service Manual 1 43 Ink Supplies Troubleshooting 1 Scroll to the Ink Menu icon and press OK 2 Inthe Ink Menu submenu scroll to Replace ink cartridges and press OK rk Replace ink cartridges Replace printheads E Ink cartridge information Printhead information 3 The front panel displays the status of the Ink Cartridges Press ok to continue 4 Press OK to continue 5 Open the relevant Ink Cartridge cover for the Ink Cartridge you want to replace 6 Pull the required Ink Cartridge straight up to remove it from the printer 7 The front panel indicates the missing Ink Cartridge 8 Before removing the cartridge from its wrapping shake it vigorously 9 Unwrap the new ink cartridge tind the label identifying the ink color Check that the letter or letters marking the empty slot matches the letter or letters on the cartridge label 10 Insert the ink cartridge into its slot HP Designjet T Series Service Manual 1 44 Ink Supplies Troubleshooting 11 Push the cartridge into the slot until it snaps into position You should hear a beep and see contirmation that the cartridge has been inserted Press ok to continue 000000 H
17. Cartridge Door 3 Unclip the left side of the Right Ink Cartridge Door 6 23 Removal and Installation 4 Remove the Right Ink Cartridge Door 6 24 HP Designjet T Series Service Manual Removal and Installation Left Ink Cartridge Door Left Ink Cartridge Door Removal Switch off the printer and remove the power cable 1 Open the Left Ink Cartridge Door 2 Unclip the left side of the Left Ink Cartridge Door 3 Unclip the right side of the Left Ink Cartridge Door HP Designjet T Series Service Manual 6 25 Removal and Installation 6 26 4 Remove the Left Ink Cartridge Door HP Designjet T Series Service Manual Right Cover Removal Switch off the printer and remove the power cable HP Designjet T Series Service Manual Removal and Installation Right Cover Remove the Front Cover on page 6 16 Open the Right Ink Cartridge Door by applying sharp pressure to the right side of the door and lifting firmly where the door meets the Right Cover Use your hands When the door is unclipped from the pressure applied to the right side of the door you will hear a sound that corresponds to the clip Do NOT use a screwdriver or other tool to open the Right Ink Cartridge Door Remove one T 15 screw that secures the Right Cover to the printer at the rear of the Printer 4 Remove one T 15 screw that secures the Right Cover to the printer at the rear
18. Description Corrective Action HP Designjet T Series Service Manual System Error Codes Full Descriptions 74 YZ Error uploading firmware update file Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer Make sure the connection between the computer and the printer is functioning properly Try to update the Firmware again 74 1 YZ Error uploading media profile update file Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer Make sure the connection between the computer and the printer is functioning properly Try to upload the media profile update file again 75 21 YZ The spittoons Left Spittoon Service Station have reached 80 capacity Try the following E Use Preventive Maintenance Kit 2 to replace the Left Spitton and Service Station 75 22 Y Z The spittoons Lett Spittoon Service Station are full Try the following m Use Preventive Maintenance Kit 2 to replace the Lett Spitton and Service Station 76 YZ Hard disk drive is full Try the following E Remove any unnecessary files from the hard disk using the web server 2 28 System Error Problem Description Corrective Action 1 2 System Error Problem Description Corrective Action 1 2 System Er
19. Ink Delivery System IDS The complete Ink Delivery System test consists of individual tests for the different components related to this subsystem These tests are E Ink Delivery System Check Ink Supplies mM Check Leakage Diagnostic tests also need to be performed after removing or replacing certain printer components If you have removed or replaced printer components check the Service Calibration Guide to Removal and Installation on page 6 5 to see which tests and calibrations you need to perform HP Designjet T Series Service Manual 3 35 Service Tests and Utilities Ink Delivery System 1 In the Diagnostics menu scroll to 7 IDS and press OK Mt sald Ax ls ae Paper Drive Electronics Module Carriage Assembly Sensors Rewinder 2 The Front Panel will show the 7 IDS submenu e Ink Delivery System P Check Ink Supplies Check Leakage 3 Inthe IDS submenu scroll to Ink Delivery System and press OK to start the test 4 The Ink Delivery System test starts and the front Panel prompts you to remove all the Ink Supplies remove all the Ink Press any key to proceed g 5 Remove all the Ink Cartridges 6 Press OK to continue 7 The test continues and the front Panel displays the following messages Starting HorsburghO Starting Mips Starting Nvm Getting Part Number Starting ISS Motors Moving Bongos down Reading Bongos down Moving Bongos up Reading Bongos up Start
20. P N accessories E Conditions where the problem occurs and conditions prior to the first occurrence of the problem E The result of the previous 7 steps E The printer information pages either printed and faxed or obtained through the Embedded Web Server E The System Error detailed information it can be obtained by pressing CANCEL Down E Information on the workflow Operating System Application Driver Settings in the driver and the application Settings in the printer Connection method and settings The original tile along with the information on how to reproduce the issue A print to file that can reproduce the issue E The printer logs In order to obtain the printer logs check the corresponding appendix See Appendix C Obtaining printer logs on page 2 48 Random 79 04 during continuous printing The error does not happen with a single job It happens randomly during continuous printing normally while the printer is managing a heavy load printing a project or in a reprographics environment This type of error is caused either by memory leaks or by concurrence issues in the printer s firmware They normally happen in non common environments where these memory leaks or concurrence issues that have not been detected during qualitication have occurred These issues cause the printer to crash at a completely random moment during printing and are not associated to a specific job HP Designjet T Serie
21. Removal and Installation Full Bleed Foam Full Bleed Foam Removal Switch off the printer and remove the power cable The complete Full Bleed Foam is constructed of three separate sections left center and right This procedure only describes how to remove the left section Removal of the other two sections is identical 1 Open the Window 2 Remove the Left Full Bleed Foam from the left platen 3 Remove the Platten Middle Foams that are exposed once the Full Bleed Foam has been removed When you reinstall the full bleed foams take care to correctly seat them to avoid possible damage to the Carriage Assembly HP Designjet T Series Service Manual 6 253 Removal and Installation 6 254 HP Designjet T Series Service Manual Preventive Maintenance Preventive Maintenance 7 2 Moisture on the Printer 7 2 Noisy Carriage Bushing 7 2 Belt Swelling 7 2 Cleaning the Printer 7 2 General Cleaning 7 3 Cleaning the Drive Roller and Overdrive 7 3 Level of Printer Usage 7 3 Preventive Maintenance Kits 7 5 Preventive Maintenance Kit 1 7 5 Preventive Maintenance Kit 2 7 6 Preventive Maintenance Kit 3 7 6 HP Designjet T Series Service Manual 7 1 Preventive Maintenance Preventive Maintenance Moisture on the Printer Users should use the Printer in an environment between 20 and 80 relative humidity To recover from moisture condensation turn the Printer Off and using the main roller as a referen
22. Right Starwheel Litter T1100 T1100ps T610 6 245 Right Starwheel Lifter T1120 T1120ps T620 6 248 Starwheel Motor 6 251 Full Bleed Foam 6 253 HP Designjet T Series Service Manual 6 2 Removal and Installation Introduction Introduction This chapter is a step by step guide to the removal and installation of the key components of the printer You may find it useful to check off the steps as they are pertormed Use the illustrations for each procedure to identity the parts referred to in the text The procedures appear in order of removal The whole machine can be stripped down by starting at the beginning of this chapter and working through the subsequent procedures Before using this chapter to remove and install a new component always make sure that you have performed the relevant service test from Chapter 4 If the test passes you will not need to replace the component Safety Precautions Review the instructions identified by WARNING and CAUTION symbols before you service the printer Follow these warnings and cautions for your protection and to avoid damaging the printer Serious shock hazard leading to death or injury may result if you do not take the following precautions E Ensure that the ac power outlet mains has a protective earth ground terminal E Switch the plotter off and disconnect it trom the power source prior to performing any maintenance E Prevent water or other liquids from running onto elec
23. see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual 6 242 Removal and Installation Left Starwheel Lifter Left Starwheel Lifter Removal Switch off the printer and remove the power cable 1 Remove the Front Cover on page 6 16 2 Remove the Left Cover on page 6 30 3 Remove the Electronics Module Main PCA and PSU See page 6 206or 6 209 depending on the printer model Remove the Left Spittoon on page 6 220 5 Remove the Starwheel Assembly on page 6 214 6 Remove two T 8 screws that secure the Left Starwheel Lifter to the printer 7 Rotate the Left Starwheel Lifter sufficiently to disengage the right attachment lug HP Designjet T Series Service Manual 6 243 Removal and Installation Left Starwheel Lifter 8 Tilt the Left Starwheel Lifter sufficiently to disengage the left attachment lug 9 Remove the Left Starwheel Lifter from the printer Do NOT remove the spring from the Left Starwheel Lifter because it is difficult to reattach When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual 6 244 Removal and Installation Right Starwheel Lifter T1 100 T1 100ps T610 Right Starwheel Lifter T1100 T1100ps T610 Removal
24. the printer 10 When you install the Electronics Module make sure it is correctly aligned with the mounting rail When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual 6 208 Removal and Installation Electronics Module Main PCA amp PSU T1120 T1120ps T620 Electronics Module Main PCA amp PSU T1120 T1120ps T620 Removal Switch off the printer and remove the power cable 1 Remove the Lett Cover on page 6 30 mmm 2 Disconnect all the connectors on the Electronics Module The two parallel connectors white A and black B on the right of the board must not be connected backwards or swapped The harness cable A connects to the white connector The flat cable B connects to the black connector ee mT The ferrite on the left will be located under the board so take care e 4 The ferrite in the trailing cable has to be tight to the wall Se Pe an 4 TSI UDARAAAI LI LAL ASAS LEE AA ELE HP Designjet T Series Service Manual 6 209 Removal and Installation Electronics Module Main PCA amp PSU T1120 T1120ps T620 5 This photo shows the two parallel connectors correctly connected 6 This photo shows the two parallel connectors incorrectly connected 7 Unroute all
25. whenever a customer calls HP Support complaining about having any kind of printing quality problems or artifacts The Print Quality PQ troubleshooting Wizard is a set of processes and corrective actions that the customer can trigger in the printer whenever the print quality of the printer does not meet their expectations HP Designjet T Series Service Manual 1 34 Print quality troubleshooting Some of these corrective actions that the customer can perform to enhance the print and or color quality are printhead cleaning media advance calibration printhead alignment and color calibration The main benefits of this Print Quality Troubleshooting Wizard tool are that it creates a better customer experience solving customer PQ issues fast efficiently and with a minimum cost for them and also for HP Support Customers can perform PQ color troubleshooting through the Printer Utility PU the Embedded Web Server EWS or by following the steps described in the User s Manual or the HP Knowledge Center a aaert Miro Daley eel Lalo pried fey Hiei Paci il Me Ef ie Praa Teo Hero Sg Seer Oreos FO Sf Be 4 J igj ff Ly n ee eee E Cares iy Print quality troubleshooting Select defact fa Ty See ee og ere Geek ee bir huey i ctor ete SS bee ES Pei Pee a ee epee ne Tae PREO ee MIO TA bee EEEREN pce ee ger nee m beget Pe wy peer eee TEEMAD GaSe EE Deipci grai lye mi bs Hmn ee Seles ibp jadri Fa ni eee r
26. you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual 6 4 Removal and Installation Cutter Assembly Removal Switch off the printer and remove the power cable 1 Remove the Left Cover Finishing Panel refer to step 4 of the Left Cover on page 6 30 2 Fully loosen the cutter rail end cap attachment screw 3 Remove the cutter rail end cap Slide the Cutter Assembly out of the printer When you install the new Cutter Assembly follow the installation instructions provided with the new Cutter Assembly 6 42 HP Designjet T Series Service Manual Removal and Installation Right Rear Tray Support Right Rear Tray Support Removal Switch off the printer and remove the power cable 1 Remove the Rear Tray on page 6 35 Remove the Right Cover on page 6 27 Remove the Left Cover on page 6 30 Remove the Rear Cover on page 6 36 Remove two 1 15 screws that secure the Right Rear Tray Support to the printer Rotate the Right Rear Tray Support counterclockwise approximately 30 degrees HP Designjet T Series Service Manual 6 43 Removal and Installation 7 Remove the Right Rear Tray Support from the printer 6 44 HP Designjet T Series Service Manual Removal and Installation Left Rear Tray Support Left Rear Tray Support Remo
27. 4 4 Service Station Calibration 4 5 Paper Advance Calibration 4 6 Drop Detector Calibration 4 12 Line Sensor Calibration 4 14 Carriage PCA 4 17 HP Designjet T Series Service Manual 4 Service Calibrations Service Calibrations The Printer has several calibration procedures that must be performed under certain conditions REMEMBER THAT CERTAIN CALIBRATIONS ARE REQUIRED EVEN IF AN ASSEMBLY HAS BEEN DISASSEMBLED TO GAIN ACCESS TO ANOTHER ASSEMBLY OR COMPONENT The following is a list of all internal service calibrations available in the Printers For instructions to enter the service calibrations menu see Entering the Service Calibrations Menu on page 4 4 1 Scan Axis Calibration See Scan Axis Calibration on page 4 4 The purpose of this Service Calibration is to carry out a PWM check and calibrate the intensity of the Line Sensor 2 Service Station Calibration See Service Station Calibration on page 4 5 The purpose of this Service Calibration is to calibrate the Drop Detector located in the Service Station in relation to the Carriage Assembly 3 Paper Advance Calibration See Paper Advance Calibration on page 4 6 The purpose of this Service Calibration is to calibrate the nominal advance of the media This calibration is necessary to control the exact movement of the media in order to avoid print quality problems like banding 4 Drop Detector Calibration See Drop Detector Calibration on page 4 12 The purpose of t
28. Description Corrective Action 1 2 HP Designjet T Series Service Manual System Error Codes Full Descriptions If the problem persists contact HP support 85 YZ Problem finding the Drive Roller zero Try the following Perform the Media Drive diagnostic test to troubleshoot the problem further See 2 Paper Drive on page 3 18 If the System Error continues replace the Encoder Disk and Encoder Sensor See Encoder Disk and Encoder Sensor on page 6 222 86 YZ Possible Paper Jam Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer Open the Window and check for any visible obstacles restricting the movement of the Drive Roller If there is a wrinkled mass of media inside the paper path lift the Pinch wheels using the Media Lever and clear the obstruction 87 YZ Problem finding the Scan axis encoder reading Try the following Upgrade the firmware Clean the Encoder Strip Replace the Encoder Strip See Encoder Strip spring and nut T1100 T1100ps T610 on page 6 96 or Encoder Strip spring and nut T1120 T1120ps T620 on page 6 99 Replace the Carriage PCA See Carriage PCA T1100 T 1100ps T610 on page 6 177 or Carriage PCA T1120 T 1120ps T620 on page 6 182 Replace the Trailing Cables See Trailing Cable T1100 T1100ps T610 on page 6 102 or Trailing Cable T1120 T1120ps T620 on page 6 109
29. Description Corrective Action Try the following HP Designjet T Series Service Manual 2 14 System Error Codes 1 Switch the Power OFF from the back of the Printer and disconnect the Power cord Check the Primer Tubes Reconnect the power cord and power On the Printer 2 Make sure that the Service Station path is clear Remove any visible obstacles e g screws plastic parts etc restricting the movement of the Service Station 3 Perform the Service Station diagnostic test to troubleshoot the problem further See 8 Service Station on page 3 41 4 Ifthe System Error continues replace the Service Station See Service Station T1100 T1100ps T610 on page 6 61 or Service Station T1120 1T1120ps T620 on page 6 65 5 Ifthe System Error continues replace the PrintMech PCA See PrintMech PCA T1100 T1100ps T610 ONLY on page 6 73 System Error 21 1 YZ Problem Fail moving the Primer Motor of the Service Station Description Corrective Action Try the following 1 Remove the Right Cover and make sure the cables from the Printmech PCA to the Service Station are connected and are not damaged T1100 T1100ps T610 ONLY 2 Perform the Service Station diagnostic test to troubleshoot the problem turther See 8 Service Station on page 3 41 3 Ifthe System Error continues replace the Service Station See Service Station T1100 T1100ps T610 on page 6 61 or Service Station T1120 1T1120ps T620 on page 6 65 4 lf
30. Error Problem Description Corrective Action 1 2 3 System Error Problem Description Corrective Action 1 2 2 21 If the System Error continues replace the Main PCA See Starwheel Assembly on page 6 214 48 YZ PPS system failure Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer Check that the Pen to Paper Space PPS Solenoid cable is not damaged and is correctly connected to the PrintMech PCA Perform the Scan Axis PRS diagnostic test to troubleshoot the problem further See PRS Test on page 3 9 Make sure the Service Station is correctly installed Sometimes if the Service Station is not correctly installed the front of the Service Station falls down causing the Service Station to be tilted and the LBracket support does not tit properly The front of the Service Station should be UP and the L Bracket should fit well with the Service Station Replace the Pen to Paper Space PPS Solenoid See Pen to Paper Space PPS Solenoid T1100 T 1100ps T610 on page 6 75 or Pen to Paper Space PPS Solenoid T1120 T1120ps T620 on page 6 77 If the System Error continues replace the PrintMech PCA See PrintMech PCA T1100 T1100ps T610 ONLY on page 6 73 51 YZ Window Sensor failure Try the following Check that the Window Position Sensor cable is not damaged and is correctly con
31. IPA alcohol Q6675 60070 and the cleaning cloth to clean the Carriage Rail and the Carriage Slider Rod 2 Use an Oil Dispenser Q6675 60062 to lubricate the Carriage Rail and the Carriage Slider Rod 7 2 HP Designjet T Series Service Manual Preventive Maintenance Replace the Carriage Rail Oiler on page 6 154 with the new one contained in the kit and add 2 3 drops of oil to the foam of the Carriage Rail Oiler Use an Oil Dispenser Q6675 60062 to lubricate the Carriage Rear Bushing General Cleaning 1 2 3 Proper general cleaning should include the following To prevent an electric shock make sure that the Printer is switched OFF and unplugged before any cleaning is performed Do NOT let any water get inside the Printer Blow away dust accumulation with compressed air if available Clean the outer surface of the Printer with a damp sponge or cloth Use a mild soap and water solution if necessary Do not use abrasive cleaners Wipe the Printer dry with a soft lint free cloth Cleaning the Drive Roller and Overdrive If ink is spilled on the Overdrive remove the ink immediately Due to the ink s reflectance ink on the Overdrive can disrupt the Printer s edge sensing function To remove any ink from the Overdrive perform the following procedure Prevent water or other liquids from running onto electrical components or circuits or through openings in the Electronics Module Perform the Turn Drive Roller Util
32. If the front panel displays the message Reseat or Replace next to the offending printhead try cleaning the flex circuits of the Carriage and the Printheads using the Carriage Interconnect Wiper 1 54 HP Designjet T Series Service Manual Ink Supplies Troubleshooting Do not touch wipe or attempt to clean the printhead nozzles This can damage the printhead and reduce print quality HP Designjet T Series Service Manual 1 55 Troubleshooting 1 56 HP Designjet T Series Service Manual System Error Codes Introduction 2 2 Printer logs 2 3 Replacing the PrintMech PCA Media Advance Encoder PCA and Formatter 2 4 IMPORTANT Three rules for replacing these three service parts 2 4 IMPORTANT Three rules for replacing these three service parts 2 4 What to do if the Front Panel is blank 2 5 Continuable and Non Continuable Error Codes 2 6 System Error Code Brief Descriptions 2 7 System Error Codes Full Descriptions 2 10 Appendix A How to troubleshoot SE 79 04 2 35 Possible causes 2 35 Job related SE79 04 2 35 Data related SE79 04 2 36 Network related SE79 04 2 38 User Interaction related SE79 04 2 39 Random SE79 04 Concurrence issues and memory leaks 2 39 Hardware related SE79 04 2 41 Job related SE79 04 2 35 Troubleshooting based on symptoms 2 42 Front panel displays 79 04 at Start up 2 42 Front panel displays 79 04 during printer operation not while sending jobs 2 43 Front panel displays 79 04 while p
33. Installation Cable Harness T1120 T1 1 20ps T620 11 Unplug the cables on the right from the connectors In the case of the 44 printer remove also the cables from the Rewinder Spindle see Right Spindle Holder and Rewinder T1120 T1120ps T620 on page 6 87 Move the cables from the right side to the rear between the left arc and the scan beam wall Now you can remove the Cable Harness HP Designjet T Series Service Manual 6 153 Removal and Installation Carriage Rail Oiler Removal Switch off the printer and remove the power cable 1 Remove the Right Cover on page 6 27 2 Remove the T 15 Carriage Rail Oiler attachment screw 3 Remove the Carriage Rail Oiler from the printer When you reinstall the Carriage Rail Oiler use the Oil and Oil Dispenser from the Lubrification Kit to add 2 or 3 drops of oil to the foam of the Carriage Rail Oiler and in the small depression of the Carriage Rear Bushing 6 154 HP Designjet T Series Service Manual Removal and Installation Carriage Rail Oiler 5 Add 2 or 3 drops of oil in the depression where the Slider fits HP Designjet T Series Service Manual 6 155 Removal and Installation Line Sensor T1100 T1100ps T610 Removal Switch off the printer and remove the power cable Remove the Right Cover on page 6 27 Remove the Left Cover on page 6 30 Remove the Front Panel on page 6 47 Remove the Top Cover on page 6 50 Remove the Wind
34. Power cord Reconnect the power cord and power On the Printer 2 Check that the Trailing Cable is not damaged 3 Check that the Trailing Cable is correctly connected between the Main PCA and Carriage PCA 4 lf the System Error continues replace the Trailing Cable and Carriage PCA Covers See Trailing Cable T1100 T1100ps T610 on page 6 102 or Trailing Cable T1120 T1120ps T620 on page 6 109 5 Ifthe System Error continues replace the Carriage PCA See Carriage PCA T1100 T1100ps T610 on page 6 177 or Carriage PCA T1120 T 1120ps T620 on page 6 182 6 Ifthe System Error continues replace the Main PCA See Electronics Module Main PCA and PSU T1100 T1100ps T610 on page 6 206 or Electronics Module Main PCA amp PSU T1120 T1120ps T620 on page 6 209 7 Replace the Carriage Assembly See Carriage Assembly T100 T 1100ps T610 on page 6 116 or Carriage Assembly T1120 T1120ps T620 on page 6 127 System Error 03 YZ Problem Problem with Power Supply Unit Description Corrective Action Try the following 1 Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer 2 Perform the Electronics Module Test Diagnostic to troubleshoot the problem further See 3 Electronics Module on page 3 21 3 If the System Error continues replace the Power Supply Unit PSU See Electronics Module Main PCA and PSU T1100 T1100ps T610 on page 6 2 11 HP D
35. Remove the grounding cable attachment screw from the PrintMech PCA 4 Disconnect the Rewinder and encoder cables from the PrintMech PCA HP Designjet T Series Service Manual 6 83 Removal and Installation 5 Unroute the Rewinder encoder and grounding cables from the cable clamps 6 Remove the two T 10 screws that secure the Right Spindle Holder rewinder included 7 Unroute the Rewinder and encoder cables from all other cables Rotate the Right Spindle Holder rewinder included towards the right 6 84 HP Designjet T Series Service Manual Removal and Installation Right Spindle Holder and Rewinder T1100 T1100ps T610 8 Remove the Right Spindle Holder rewinder included from the printer i a q ae a See ee i a a arn DEA l an vn A Installation When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 Make sure you carry out the following actions during the installation of the Right Spindle Holder rewinder included 1 Take note of the two clips that fit to the printer 2 Make sure the two clips fit correctly to the printer HP Designjet T Series Service Manual 6 85 Removal and Installation View shown from above 6 86 3 A correctly attached Right Spindle Holder r
36. Service Manual 6 174 Removal and Installation Carriage Cover and Carriage Latch T1120 T1120ps T620 14 Caretully move the Ink Supply Tubes into the print path 15 Remove the cover on each side of the Carriage PCA using a screwdriver unclip it Disconnect the 8 ribbon cables of Carriage Cover from the Carriage Assembly PCB HP Designjet T Series Service Manual 6 175 Removal and Installation Carriage Cover and Carriage Latch T1120 T1120ps T620 17 Remove four T 10 screws that secure the Carriage Assembly Cover hinge amp 18 Carefully lift the Carriage Cover in the vertical position to remove it from the Carriage Assembly When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual 6 176 Removal and Installation Carriage PCA T1 100 T1 100ps T610 Carriage PCA T1100 T1100ps T610 Removal Switch off the printer and remove the power cable Remove the Right Cover on page 6 27 Remove the Left Cover on page 6 30 Remove the Front Panel on page 6 47 Remove the Top Cover on page 6 50 Remove the Window Position Sensor on page 6 53 6 Remove the Ink Supply Tubes Support Rail T1100 T1100ps T610 on page 6 55 7 Open the Carriage Cover o 8 Remove all the Printheads
37. Service Station submenu scroll to Service Station and press OK to start the test The Service Station test starts and the front Panel displays the following messages Starting Horsburgh and Mips Starting Nvm Booting up Carriage Starting SVS Motor Starting Carriage Motor Getting Part Number Starting Service Station Starting Scan Axis Moving SVS out of Sax Homing Scan Axis Moving Carriage out of SVS Homing Service Station Moving to Spit Rear pos Moving to Spit Front pos Moving to Wipe forward pos Moving to Wipe reverse pos Moving to Cleaner pos Moving to SOL pos Moving to PEG pos Homing Scan Axis HP Designjet T Series Service Manual Service Tests Diagnostics E Starting ServicingServices E Capping Service Station E Uncapping Service Station E Starting Mechanical Init 5 The Front Panel then prompts you to check the status of the printer Please check Window Closed Pinchwheel Lowered All Pens Inserted Valid Cartridges Inserted Press any key to continue 6 Check that E The Window is closed E The Media Lever is lowered E All Printheads are inserted E Valid Cartridges are inserted 7 Press OK to continue 8 The test continues and the Front Panel displays the following messages E Moving SVS to Wiping bider position E Moving SVS to Scrape position E Moving SVS to Snout Wipe position 9 The Front Panel then asks if you want to cap the Service Station Service St
38. The test begins and the Front Panel displays the following message E Checking Media Presence Sensor If media is loaded the service utility will be cancelled In this case unload the media and start again trom step 1 If no media is loaded the test will continue The Drive Roller begins to turn slowly and the following message is displayed on the Front Panel Turn Drive Roller Rotation started Please clean the DRIVE ROLLER Turns 2 8 Timeout 567 Press CANCEL Key to finish je To clean the drive roller and overdrive see Cleaning the Drive Roller and Overdrive on page 7 3 Once you have finished cleaning the Drive Roller and the Overdrive press the Cancel key to finish the utility If the utility exits correctly OK will be displayed on the Front Panel REMEMBER TO REMOVE THE PIECE OF PAPER FROM THE WINDOW SENSOR BEFORE CLOSING THE WINDOW AS THIS COULD DAMAGE THE WINDOW AND THE SENSOR The purpose of this Service Utility is to Prime the Tubes when the Ink Tubes are NOT new and they need to be re primed or automatic priming was not completed correctly Make sure that NEW Ink Cartridges are installed or that the ink volume remaining in the Ink cartridges is below 88 before starting to prime the tubes If you do not comply you will get a warning message and cannot finish the test HP Designjet T Series Service Manual Service Utilities Before using the Purge Tubes utility you must insert the dummy
39. Using the Front Panel on page 3 5 2 Perform the I O information test and take note of the printer s IP address See 9 I O Information on page 3 47 3 Connect to the printer using FTP a From a DOS console or a Linux console in Mac open a connection to the printer ftp lt printer s IP address gt b Configure the connection to send the data correctly bin gt hash 4 Upload the firmware file gt put lt firmware plt gt Standard FMW tiles that are available in the customer website will not work with this method since FMW tiles need to be uploaded through the EWS in order to work You will need to use a firmware file in PLT format instead You can obtain the PLT firmware for the latest available firmware versions in the LFP Customer Assurance website http bcnsite bpo hp com csw HP Designjet T Series Service Manual 2 47 Appendix C Obtaining printer logs Appendix C Obtaining printer logs A Q Nma It is possible to obtain internal logs on the activities that are being performed by Designjet printers These logs allow you to understand the status of the printer when a system error has occurred helping in the process of finding the root cause and the solution By default the printer does not record logs since they would consume resources processing time and HDD space In order to obtain the logs it is necessary to Enable the logs and reboot the printer Operate the printer until the System Error happen
40. a print job always have the same symptoms The job is received by the printer and starts to process In the middle of the processing the printer stops and displays 79 04 The printer will display the 79 04 system error again immediately atter reboot This is due to the fact that the printer will try to reprint the job which is pending in the queue after reboot Atter the second reboot the printer will start up normally If the same job is sent again it will always produce a 79 04 system error HP Designjet T Series Service Manual Appendix A How to troubleshoot SE 79 04 These types of 79 04 system errors are normally caused by jobs that have been generated by 3rd party applications RIPs 3rd party drivers files exported by an application to PS PDF HP GL 2 RTL or any other format supported by the printer Jobs generated by HP drivers will not normally generate 79 04 system errors since the output that our drivers generate is very controlled and has been designed taking into consideration the characteristics of our printer s language interpreters There is an exception to this general rule there are certain applications that can generate their own PS code Adobe PhotoShop Adobe Illustrator Adobe Acrobat Corel Draw Freehand QuarkXpress When used with a PS driver these applications generate the output PS themselves instead of using the driver s rendering capabilities This is known as PostScript pass th
41. and Trailing Cable Scan Axis Belt Scan Motor Lett Spittoon Right Spittoon Full Bleed Foams Aerosol Fans Carriage Service Station 3 62 HP Designjet T Series Service Manual Service Utilities 3 Once you have selected a Life Counter to reset the following message will be displayed on the Front Panel Press the OK key to reset the selected Lite Counter or press Back Cancel to exit without resetting the Lite Counter Scan Axis Tubes Usage Tubes aw Distance Covered 0 Trailing cable o Reset these life counters Fress UK to accept or BACKY CANCEL to exit If the Usage Counter information cannot be read the Front Panel will display Unable to get usage counter This could be a possible Firmware error In this case make sure you have the latest version of the Firmware 4 It the utility exits correctly OK will be displayed on the Front Panel 5 Diagnostic Print The purpose of this Service Utility is to print the Diagnostic Print in order to identity Print Quality problems Information regarding the Diagnostic Print is located in Chapter 1 Troubleshooting on page 1 1 Specifically E The procedure to make a Diagnostic Print can be found at Printing the Diagnostic Print on page 1 10 E The procedure to make an Advanced Diagnostic Print can be found at Printing the Advanced Diagnostics Print on page 1 16 6 Set Date and Time The purpose of this Service Utility is to set the internal clock of th
42. cable 1 Remove the Carriage Assembly See page 6 116 or 6 127 depending on the printer model 2 Slide the Belt Assembly out of the attachment on the Carriage Assembly 3 Remove the pulley to release the Belt Assembly from the Belt Tensioner When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual 6 14 Removal and Installation Scan Axis Motor T1100 T1100ps T610 Removal Switch off the printer and remove the power cable 1 Remove the Right Cover on page 6 27 2 Remove the Left Cover on page 6 30 3 Loosen the T 10 uncapping screw sufficiently so you can manually move the Carriage Assembly in step 4 If you are uncapping a 44 inch printer you will need to use either a very long or very short screwdriver to loosen the uncapping screw In this way you can loosen the screw and pass the rewinder motor 4 Push the Carriage Assembly into the print path 5 Loosen the T 15 screw Belt Tensioner to the printer to remove the tension from the belt 6 142 HP Designjet T Series Service Manual Removal and Installation Scan Axis Motor T1 100 T1 100ps T610 6 Leave the Belt Tensioner in place 7 Remove the Belt Assembly from the drive wheel of the Scan Axis Motor 8 Remove three T 15 scre
43. causing many media jam failures to be reported as head crashes 4 Did the media jam occur when loading media E If the client has had media jams it is common for pieces of media to get stuck in the media path Clear the media path When clearing a media jam sometimes media is stuck in the paper path To clear this you must lift the Media Lever and insert thicker media into the paper path to push out the media that is still stuck there 5 Is the customer using non HP media E The use of non HP media can easily be the cause of media jams and head crashes especially head crashes because HP media is specially formulated to avoid cockle one of the primary causes of head crashes If the media is not HP approved advise the customer to use HP media and check to see if the problem is now solved Banding at variable extreme environmental conditions Since the Accuracy Calibration has been done at normal environmental conditions printing in extreme environmental conditions will cause banding because the advance of the Media Advance Roller does not correspond to the same conditions that the calibration was done in To solve the problem try the following Perform the Accuracy Calibration in the new environmental conditions Refer to the User s Guide Worm marks on HP Coated media with light area fills Light bands S shaped in Paper axis direction where light area fills are printed causing unacceptable Image Quality defect E Print
44. conditions as in step b the 79 04 system error is displayed again Solutions and workarounds Many times data related 79 04 errors are resolved by means of hardware intervention Since data is stored in physical components RAM EEROM and Hard Disk replacing these components with new ones which are empty usually solves the problem However there are quicker and more effective solutions to these types of errors 1 Clear all information that has been introduced by the user using the standard tools available in the printer a Delete all jobs from the queue from the Front Panel or the EWS b Reset to factory detaults to clear the user s contigurations and calibrations a Delete any non standard paper preset in the printer both the ones that have been created by the user and the ones that have been installed as OMES profiles through the EWS or the HP Printer Utility 2 It step 1 did not resolve the issue you can use Service Tools to clear additional intormation that could be causing the issue a Start the printer in Diagnostics Boot Mode b Perform an EEROM reset 3 It step 2 did not resolve the issue it is possible to completely clear the information on the Hard Disk and the different EEROMs leaving them in an equivalent state to a new part a Access the Service Utilities Menu b In the Secure Disk Wipe menu set the Sanitize level to Unsecure mode HP Designjet T Series Service Manual 2 3 7 Appendix A How
45. continue 9 The Front Panel then displays the Open Loop ROLL test result Checking Open Loop ROLL Movement done 417095 eu Press any key to continue 10 Press any key to continue 11 The Front Panel then displays the Open Loop UNROLL test result Checking Open Loop UNROLL Movement done 556859 eu Press any key to continue 12 Press any key to continue 13 The Front Panel then displays HP Designjet T Series Service Manual 3 19 Service Tests and Utilities 3 20 14 15 16 17 18 19 20 21 E Starting Paper Motor E Starting Paper Axis E Calib Analog Decoder The Front Panel then displays the Analog Decoder calibration results Analog Encoder results CHANNEL GAIN OFFSET A 18 8 B l 11 8 Press OK to confirm or BACK CANCEL to reject E The GAIN for channel A must be between O and 3 5 E The GAIN for channel B must be between O and 4 5 E The OFFSET for channel A must be between 63 5 and 63 5 E The OFFSET for channel B must be between 63 5 and 63 5 It the results are correct press OK to accept the results If the results are not correct press Back Canceel to reject the results and FAIL the test It you accept the results the Front Panel then displays E Starting Media Path E Homing and repeatability test The Front Panel then prompts you to remove the media Please remove the media for testing and keep out from the platen zone Press any key to contin
46. enhancement from mid February 2008 the HP Designjet T Series printers do not include an Aerosol Fan A small quantity of printers manufactured after mid February 2008 are displaying the system error 44 10 if the formatter has been replaced because the formatter contains a previous firmware version previous to version 6 that checks for a fan connection Corrective Action Check the serial number plate which is located at the rear of the printer If the printer was built after mid February 2008 replace the Formatter using the following part numbers HP Designjet T1100 Printer Q6683 60021 or any formatter service kit including tw 6 or superior HP Designjet T Series Service Manual System Error Problem Description Corrective Action 1 2 System Error Problem Description Corrective Action System Error Problem Description Corrective Action 1 2 System Error Codes Full Descriptions HP Designjet T610 Printer Q6711 60024 or any formatter service kit including fw 6 or superior E f the printer was manufactured before mid February 2008 perform the standard troubleshooting procedure above 45 YZ An error with the Rewinder System has been detected Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer Check that the Rewinder cable is not damaged and is correctly connected to
47. in step 26 15 Push the Carriage Assembly into the print path Remove the cover on each side of the Carriage PCA using a screwdriver unclip it 6 164 HP Designjet T Series Service Manual Removal and Installation Line Sensor T1 120 T1 120ps T620 17 Disconnect the Line Sensor electrical connection from the Carriage PCA 18 Carefully unroute the Line Sensor cable from the Carriage Assembly 19 Remove one T 10 screw that secures the Line Sensor to the Carriage Assembly HP Designjet T Series Service Manual 6 165 Removal and Installation Line Sensor T1 120 T1 120ps T620 20 Remove the Line Sensor from Carriage Assembly i d Pp F i j Er i i A d i 1 F i lj 1 n an gt 1 F i fi d i j a 4 1 x i 7 F q f i When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual 6 166 Removal and Installation Carriage Cover and Carriage Latch T1100 T1 100ps T610 Carriage Cover and Carriage Latch T1100 T1100ps T610 Removal Switch off the printer and remove the power cable Remove the Right Cover on page 6 27 Remove the Left Cover on page 6 30 Remove the Front Panel on page 6 47 Remove the Top Cover on page 6 50 Remove the Window Po
48. in step 8 6 66 HP Designjet T Series Service Manual Removal and Installation Service Station T1 120 T1 120ps T620 HP Designjet T Series Service Manual 8 Push the Carriage Assembly into the print path to gain access to two T 10 screws that secure the Service Station to the Carriage Rail Remove the two allen screws that secure the Service Station to the Carriage Rail To avoid damaging the Encoder Strip you can use a standard screwdriver Support the Service Station so it does not fall when you remove the attachment screws 10 Unclip the clip to release the Service Station from the printer 6 67 Removal and Installation 11 Lower the Service Station until you can slide it caretully from the printer 12 Carefully slide the Service Station from the printer When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 6 68 HP Designjet T Series Service Manual Removal and Installation Drop Detector Drop Detector Removal Switch off the printer and remove the power cable 1 Remove the Right Cover on page 6 27 2 Remove the Service station See Service Station T 1100 T1100ps T610 on page 6l or Service Station 11120 T1120ps T620 on page 6 65 depending on the model 3 Unroute the Drop Detect
49. in the table 2 13 HP Designjet T Series Service Manual System Error Codes Full Descriptions a nee age a nena Semat wO wo we feee temea wO we age ztd n zoe n Flashing a Main PCA Page 6 209 e M check the front panel Page 6 47 Front panel If necessary check the lighton Main PCA Page 6 209 Then check the front panel cable Page 6 47 Check the front panel cable connection If necessary replace the tront panel cable Page 6 4 System Error TL YZ Problem Trailing Cable does not seem to be detected Description Corrective Action Try the following 1 Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer 2 Check that the Trailing Cable is not damaged 3 Check that the Trailing Cable is correctly connected betwen the Main PCA and Carriage PCA and make sure that the connectors in these boards are not damaged 4 lt the System Error continues replace the Trailing Cable See Trailing Cable T1100 T1100ps T610 on page 6 102 or Trailing Cable T1120 T1120ps T620 on page 6 109 5 Ifthe System Error continues replace the Main PCA See Starwheel Assembly on page 6 214 6 Ifthe System Error continues replace the Carriage PCA See Carriage PCA T1100 T1100ps T610 on page 6 177 or Carriage PCA T120 T 1120ps T620 on page 6 182 System Error 21 YZ Problem Fail moving Service Station
50. larger paper size or border less printing E If the image contains its own margins it may be possible to print it successtully by using the Clip Contents by Margins option E Ita very long image needs to be printed on a roll check that the software is capable of printing an image of that size E The page may have been rotated from portrait to landscape on a paper size that is not wide enough HP Designjet T Series Service Manual 1 33 Print quality troubleshooting E f necessary change the printable area in the software E f necessary reduce the size of the image or document in your software application so it fits between the margins Another Possible Explanation Some applications such as Adobe Photoshop Adobe Illustrator and CorelDRAW use an internal 16 bit coordinate system which means that they cannot handle an image of more than 32 768 pixels If you try to print an image larger than this from these applications the bottom of the image will be clipped In this case the only way to print the whole image is to reduce the resolution so that the whole image requires fewer than 32 768 pixels The HP GL 2 printer driver contains an option called Compatibility with 16 bit applications which can be used to reduce the resolution of such images automatically This option can be found option in the Advanced tab under Document Options gt Printer Features Some objects are missing from the printed image Large quantities o
51. make the selection and press the OK key to start printing the required Diagnostic Print or to enter the Advanced Diagnostics menu Image Quality Service Normal HA Advanced Diagnostic Print 3 If you selected the Advanced Diagnostics Prints in the previous step use the Arrow keys to make the required selection Paper Advance Printhead HP Designjet T Series Service Manual 1 10 Print quality troubleshooting Alignment Diagnostic Nozzle Health Force Drop Detection or Print Banding Plot and press the Enter key to start printing Advanced Diagnostic Print e Paper Advance e VYisual Alignment Diagnostic Nozzle Health Force Drop Detection Print Banding Plot 4 Make sure media is loaded the Media Lever is lowered and that the Ink System is correctly installed Press the OK key to print the Diagnostic Print or press Back Cancel to exit without printing the Diagnostic Print Image Quality Service Normal Press 0K to accept or BACKY CANCEL to exit 5 The selected Diagnostic Print will now be printed Reading the Diagnostic Print Results Diagnostic Part 1 Printhead Reliability The Nozzle Print Test test is designed to check if the Printhead nozzles print correctly The nozzles check top of the plot is printed in a one pass full swath mode The diagnostics test prints out every single nozzle of each Printhead without applying an error hiding or alignment algorithm For each Printhead you can see both
52. margins Temp too Reseat Printhead Low temperature below normal margins Critical acumen Fails Vpop Replace Temp Replace Extremely High Temp Extremely Low Temp too High info outside margins Acumen cannot be accessed Bad Accumen Access Reseat or Test Separately 1024 2048 Wrong Replace Model 4096 Mismatch 8192 CSdataNot Reseat Responding 16384 CSdata Wrong printhead inserted Wrong color inserted CSdata commuication failed CSdata commuication incorrect Transmit Error HP Designjet T Series Service Manual Could be caused by bad insertion Better to reseat the PEN than to reject it Could be caused by a short in the ink supplies Could be caused by bad Vpp continuity Could be caused by a short in the ink supplies Could be caused by bad Vpp continuity Printhead has a manufacturing problem No Pen Missing There is no printhead Bad acumen continuity or a short Cannot identify problem printhead Mechanical lockouts should prevent this Error is redundant Mechanical lockouts should prevent this Could be caused by bad insertion Could be caused by bad contact 1 51 Troubleshooting 32768 FailsEnergy Reseat Energy calibration Could be caused Calibration failed by bad contact 65536 Empty OK during Requested during Dummy Purge purge otherwise should be removed kia Full Dummy Remove during purge a End of Life Warni
53. near the printer during printhead realignment can attect alignment HP Designjet T Series Service Manual 1 48 Ink Supplies Troubleshooting Plot SEHR elgi FE il Peal el ea teal le ll 5 The process will take about five minutes Wait until the front panel display shows the process complete before using the printer Scanning errors during alignment If the alignment process FAILs a Scanning problems message appears on the front panel This means that the alignment has not completed successtully Therefore the printer is not aligned and the alignment should be repeated before printing with good image quality The problem may be due to E The paper used was not valid repeat the alignment with valid paper E Printhead health problems clean printheads E The alignment was done with the transparent window open repeat the alignment with the window closed It the problem persists after using valid paper cleaning the printheads and keeping the window closed there may be a Failure in the scanning system needing reparation or the printheads although clean may not work and need to be replaced Ink Cartridge and Printhead Status Messages Ink Cartridge Status Messages OK The Ink Cartridge is operating correctly and no action is required Missing There is no Ink Cartridge present or it is not properly connected to the printer Low The Low message is an early warning sign and it is advisable that new supplies should be obtain
54. necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual Right Roll Guide Removal Switch off the printer and remove the power cable HP Designjet T Series Service Manual Removal and Installation Right Roll Guide Remove the Spindle on page 6 79 Remove the Clean Out Assembly on page 6 90 Remove the Left Roll Guide on page 6 94 Remove seven I 15 screws that secure Right Roll Guide to the printer Lower the right end and remove the Right Roll Guide from the printer When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 6 95 Removal and Installation Encoder Strip spring and nut T1100 T1100ps T610 Removal Switch off the printer and remove the power cable 1 Remove the Right Cover on page 6 27 2 Remove the Left Cover on page 6 30 3 Remove the T 15 screw that secures Encoder Strip to the printer 4 Grip the Encoder Strip and move it towards the left to take off the tension until you have completed the next step 5 Unclip the Encoder Strip from it s attachment lugs 6 96 HP Designjet T Series Service Manual Removal and Installation Encoder Strip spring a
55. of the Printer 6 27 Removal and Installation Remove one T 15 screw that secures the Right Cover to the printer at the rear of the printer Remove one T 15 screw that secures the Right Cover to the printer accessible under the Front Cover Remove one T 15 screw that secures the Right Cover to the printer 6 28 HP Designjet T Series Service Manual Removal and Installation Right Cover 8 Unclip the Right Trim 9 Remove the Right Cover from the printer HP Designjet T Series Service Manual 6 29 Removal and Installation Left Cover Removal Switch off the printer and remove the power cable 1 Remove the Front Cover on page 6 16 2 Open the Ink Cartridge Door 3 Remove the Ink Cartridges from the Printer The illustration shows the T1100 which has six Ink Cartridges 4 Press the clip to release the Left Cover Finishing Panel 6 30 HP Designjet T Series Service Manual Removal and Installation Left Cover 5 Remove the Left Cover Finishing Panel 6 Unclip the spring from the attachment points on the Media Lever and Left Cover 7 Remove three T 15 screws that secure the Media Lever HP Designjet T Series Service Manual 6 3 1 Removal and Installation 8 Use a flat bladed screwdriver to unclip the two attachment clips of the Formatter Housing Lift the Formatter Housing out of the printer 10 Remove one T 15 screw that secures the L
56. on page 3 47 The purpose of this test is to verify the TCP IP configuration Unit Information See 10 Unit Information on page 3 48 HP Designjet T Series Service Manual 3 3 Service Tests and Utilities This option allows you to view the Firmware Version Part Number and Serial Number of the Printer T EEROM Reset See 11 EEROM Reset on page 3 49 The purpose of this test is to reset the EEROM values 12 Set Unit Configuration See 12 Set Unit Configuration on page 3 50 Not implemented 13 Error 71 19 Recovery See 13 Error 71 19 Recovery T1100 T1100ps T610 on page 3 51 The purpose of this utility is to set the Serial Number and Part Number in case both the Formatter and the PrintMech PCA are replaced at the same time or select the correct Serial Number and Part Number if only one of the components has been replaced 14 Others See 14 Others on page 3 54 Not implemented 3 4 HP Designjet T Series Service Manual Service Tests Diagnostics Using the Front Panel Below is a diagram of the front panel View Loaded Paper Arrow keys View Ink Levels Cancel als or ro Form Feed and Cut Menu Unload Paper Back Key Function E Arrow Keys Use the Arrow keys to scroll through a menu or toggle between YES or NO when prompted E Cancel Use the Cancel key to abort or stop a procedure or reject test results E OK Use the OK key to select a menu option E Power Use the Power key to turn the printe
57. on page 6 214 The Printer Continuously Rejects Printheads 1 Clean the flex contacts on the Printhead and in the Carriage Assembly using the Carriage Interconnect Wiper and try again See Flex Contacts Cleaning Tool on page 1 54 2 If ALL the Printheads are rejected the status message on the Front Panel does NOT show OK for ALL the Printheads then perform the Electronic Module Test See 3 Electronics Module on page 3 21 Cover Sensors are not Working 1 Perform the Sensors Test See 5 Sensors on page 3 31 2 Check if the cable for the faulty sensor is not damaged and is connected correctly 3 Replace the faulty Sensor The Line Sensor has Problems Detecting Media 1 Check the type of media that is being used since the Line sensor may have problems detecting transparent media or some types of Non HP media Try loading white HP media into the Printer and check if the Line sensor detects it 2 The Line Sensor is not calibrated correctly Perform the Line Sensor Calibration See Line Sensor Calibration on page 4 14 3 The Line Sensor is damaged or faulty Replace the Line Sensor See Line Sensor T1120 T 1120ps T620 on page 6 161 HP Designjet T Series Service Manual 1 5 Troubleshooting Troubleshooting Media Jams Printhead Crashes The failure modes media jam and head crash are grouped together because in many cases a media jam causes the media to lift up into the Carriage path and cause a Printhead crash thus
58. press the Down arrow key and the Cancel key together You are now in the Service Tools Menu 3 For On Site Engineers once inside the Main Menu press the Up arrow key and the Cancel key together You are now in the Service Menu Menu 4 Use the Arrow keys to scroll to the Service Utilities menu option and press the OK key Service menu Hl Service utilities Service calibrations HP Designjet T Series Service Manual 3 73 Service Tests 5 Use the Arrow keys to scroll through the Service Utilities selections and press the OK key to begin a specific operation when the required Service Utility is highlighted Service tests e Test messages If the printer is not used for 135 seconds the printer exits out of the Service Utilities Menu and you must repeat the above steps to enter Service Utilities again In some cases a quick press of a button may not be recognized by the Printer When pressing a button be sure to press it deliberately and all the way to the bottom of its travel 1 Test Messages Use the Test Messages service test to get instructions for accessing diagnostic mode These instructions can also be found in this chapter Using the Front Panel on page 3 5 You can also use this test to verify the functionality of the Front Panel atter replacing the Front Panel or Front Panel cable 1 In the Service Tests submenu scroll to Test Messages and press OK Seryice tests gt Test M
59. printheads individually to find the failing printhead Remove all the printheads and insert them alone one by one Closing the latch and the carriage cover after every insertion The front panel display will indicate the failing one showing the reseat or replace message You are recommended to start the printhead removal process from the front panel but instead of removing the printhead simply press the OK key on the front panel You are recommended to remove the printhead and then reinsert it if that fails clean the electrical connections if that fails replace the printhead with a new printhead A printhead replacement process has not completed successfully relaunch the replacement process and let it finish completely it is not needed to change the printheads The printhead is not a suitable type for use in printing for instance a setup printhead Printhead Error Codes The following table describes the Printhead Error Codes Refer to the above descriptions of the status messages for the appropriate action Working OK The printhead is working properly Fails Replace The printhead may Logical V have a vcc short HP Designjet T Series Service Manual 1 50 Ink Supplies Troubleshooting E Fails Reseat Continuity z Som f Need 6 512 Suspected vpp ink short Printhead temperature above normal margins Reseat Printhead temperature below normal margins Replace Printhead temperature above normal
60. replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 6 160 HP Designjet T Series Service Manual Removal and Installation Line Sensor T1 120 T1 120ps T620 Line Sensor T1120 T1120ps T620 Removal Switch off the printer and remove the power cable Remove the Right Cover on page 6 27 Remove the Left Cover on page 6 30 Remove the Front Panel on page 6 47 Remove the Top Cover on page 6 50 Remove the Window Position Sensor on page 6 53 Open the Carriage Cover Pe YS 7 Remove all the Printheads HP Designjet T Series Service Manual 6 161 Removal and Installation 8 Unscrew the small cover of the Carriage PCA 9 Remove the small cover of the Carriage PCA 10 Disconnect the ribbon cable of the Trailing Cables from the Carriage PCA 6 162 HP Designjet T Series Service Manual Removal and Installation Line Sensor T1 120 T1 120ps T620 11 Remove the four T 15 screws that secure the Ink Supply Tubes to the Carriage Assembly 12 Caretully lift out the Ink Supply Tubes and close the carriage cover at the same time 13 Close and lock the Carriage Cover HP Designjet T Series Service Manual 6 163 Removal and Installation 14 Loosen the T 10 uncapping screw sufficiently so you can manually move the Carriage Assembly
61. rewinder included 6 88 HP Designjet T Series Service Manual Removal and Installation Right Spindle Holder and Rewinder T1120 T1120ps T620 1 Take note of the two clips that fit to the printer 2 Make sure the two clips fit correctly to the printer 3 A correctly attached Right Spindle Holder rewinder included looks like this shown from above View Shown from above HP Designjet T Series Service Manual 6 89 Removal and Installation Clean Out Assembly Removal Switch off the printer and remove the power cable 1 Remove the Spindle on page 6 79 2 Disconnect the Out Of Paper Sensor in line connector and unroute the its cable 3 Remove the four T 15 screws that secure Clean Out Assembly to the printer 4 Beginning with the left side slide the Clean Out Assembly out of the printer Double check that you haven t broken the Out Of Paper Sensor on the left side of the Clean Out Assembly When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 6 90 HP Designjet T Series Service Manual Removal and Installation Out Of Paper Sensor Out Of Paper Sensor Removal Switch off the printer and remove the power cable 1 Remove the Spindle on page 6 79 2 Remove the Clean Out Assembly on page 6 90 3 Unroute
62. ribbon cable from the two cable clamps on the bottom surface of the Top Cover 14 Lift the Top Cover off the printer When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 6 52 HP Designjet T Series Service Manual Removal and Installation Window Position Sensor Window Position Sensor Removal Switch off the printer and remove the power cable oll Remove the Right Cover on page 6 27 Remove the Left Cover on page 6 30 Remove the Front Panel on page 6 47 Remove the Top Cover on page 6 50 Disconnect the Window Position Sensor U Aa ON 6 Remove one T 15 screw that secures the Window Position Sensor to the printer HP Designjet T Series Service Manual 6 53 Removal and Installation 6 54 Remove the Window Position Sensor to the printer When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual Removal and Installation Ink Supply Tubes Support Rail T1 100 T1 100ps T610 Ink Supply Tubes Support Rail T1100 T1100ps T610 Removal Switch off the printer and remove the power cable 1 Remove th
63. that secure the Ink Supply Tubes to the Carriage Assembly 11 Carefully lift out the Ink Supply Tubes and close the carriage cover at the same time 12 Close and lock the Carriage Cover HP Designjet T Series Service Manual 6 199 Removal and Installation Ink Supply Tubes T1 120 T1 120ps T620 13 Caretully move the Ink Supply Tubes into the print path 14 Remove the top T 15 screw that secures Ink Supply Tubes guide to the printer 15 Remove the fwo front T 15 screws that secure Ink Supply Tubes guide to the printer HP Designjet T Series Service Manual 6 200 Removal and Installation Ink Supply Tubes T1 120 T1 120ps T620 16 Carefully lift the Ink Supply Tubes guide enough until you can slide it forwards out of the printer 17 Use a flat bladed screwdriver to release all the Ink Supply Tubes clamps from the printer Remove two T 10 screws that secure the Left Side Plate of the Left Ink Supply Station HP Designjet T Series Service Manual 6 201 Removal and Installation Ink Supply Tubes T1 120 T1 120ps T620 19 Remove the Left Side Plates of the Left Ink Supply Station 20 Remove two T 10 screws that secure the Right Side Plate of the Left Ink Supply Station 21 Remove the Left Ink Supply Station bonding cable HP Designjet T Series Service Manual 6 202 Removal and Installation Ink Supply Tubes T1 120 T1 120ps T620 22 Remove the Right Side Plate of t
64. that the appropriate print quality settings are being used refer to the User s Guide for more information Reprint the job in case the problem has been solved If the problem consists of color differences between your print and your monitor please follow the instructions in the How to calibrate your monitor section of the HP Color Center At this point you may wish to reprint your job in case the problem has been solved Select suitable options in the application refer to the User s Guide for more information Service Manual 1 32 Print quality troubleshooting 6 Print the Service Image Diagnostics Print and clean any printheads that need cleaning Reprint the job in case the problem has been solved Color accuracy using EPS or PDF images in page layout applications Page layout applications such as Adobe InDesign and QuarkXPress do not support color management of EPS PDF or grayscale files It these types of files have to be used try to ensure that the EPS PDF or grayscale images are already in the same color space that is intended to be used later on in Adobe InDesign or QuarkXPress For instance if the final objective is to print the job in a press that follows the SWOP standard at the time of creating the EPS PDF or grayscale the image should be converted into SWOP Output Only Contains a Partial Print It the output that was expected only contains a partial image then try the following to resolve the pro
65. the Front Panel displays E Getting Vpp The Front Panel then displays the Pens Voltage test results The result must be between 26 5 and 33 Volts Carriage Assembly Fens Voltage ppi 29 061 Press OK to confirm and BACK CANCEL to reject It the results are correct press OK to accept the results If the results are not correct press Back Canceel to reject the results and FAIL the test The Carriage Assembly test continues and the Front Panel displays E Starting Line Sensor Leds E Starting LightSensor E Starting LineSensing E Starting SVS Motor HP Designjet T Series Service Manual 3 27 Service Tests and Utilities 3 28 15 16 17 18 E Starting Carriage Motor E Moving SVS out of Sax E Moving Carriage middle E Initializing LineSensor The Front Panel then prompts you to load roll media Carriage Assembly Please raise the pinch lever Load Roll paper and lower the pinch Lever Press any key to proceed Load roll media For the LED test to work properly the paper must be loaded completely through the carriage path Press any key to continue The Carriage Assembly test continues and the Front Panel displays the result of each phase of the test E Setting LS low intensity For each color LED Blue Green Red and Amber Setting LS max intensity For each color LED Blue Green Red and Amber Checking Tolerance Deactivating LS Starting NvmLineSensor Initializ
66. the PrintMech PCA Check that the Right Spindle Holder rewinder included is correctly attached to and aligned with the Right Cover Perform the Rewinder diagnostic test to troubleshoot the problem further See 6 Rewinder on page 3 34 Replace the Right Spindle Holder rewinder included See Right Spindle Holder and Rewinder T1120 T1120ps T620 on page 6 87 or Right Spindle Holder and Rewinder T1120 T1120ps T620 on page 6 87 If the System Error continues replace the PrintMech PCA See PrintMech PCA T1100 T1100ps T610 ONLY on page 6 73 47 03 Star wheels motor error Try the following E Same as 47 YZ The error is continuable but only if it happens from time to time 47 YZ Star wheels motor error Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer Check that the Starwheel Assembly cable is not damaged and is correctly connected to Main PCA Open the Window and check for any visible obstacles restricting the movement of the Starwheel Assembly then clear the obstruction Perform the Scan Axis Starwheel diagnostic test to troubleshoot the problem further See Star Wheel Lifter test on page 3 7 Replace the Starwheel Motor See Starwheel Motor on page 6 251 HP Designjet T Series Service Manual 2 20 System Error Codes System Error Problem Description Corrective Action 1 2 System
67. the Service Configuration Print and check if the level of Humidity is very low below 30 Increasing humidity may help in reducing the severity of the problem The media is causing the problem and NOT the Printer Do not attempt to try and replace Printer parts to solve this problem 1 6 HP Designjet T Series Service Manual The Media Basket was damaged during printer setup The Media Basket was damaged during printer setup 1 2 3 There are three plastic parts that could break during printer installation and need replacing Check the parts table and graphics in Parts and Diagrams to identify what service parts you must order See Printer Support on page 5 2 Replace the component See Bin Assembly on page 6 10 Solving Media Handling Problems Roll media Sheet media The Front Panel indicates that media is misaligned or incorrectly positioned E The roll may be loaded the wrong way The paper should load over the roll toward you E Check that the paper is correctly loaded onto the spindle E The paper may be loaded at an angle The right hand edge must be aligned with the blue line on the Print Platen With 24 inch printers ensure that the paper is wrapped tightly on the roll This is a very important step to remember because if this is not done the media may be loaded at an angle causing the media to be rejected E Check that the Right Spindle Holder rewinder included is properly attached and screwed to
68. the Service Tests Menu 3 73 1 Test Messages 3 74 2 O Tests 3 74 HP Designjet T Series Service Manual 3 1 Service Tests and Utilities Introduction This chapter explains how to use the built in Service Tests and Service Utilities and what to do if any of the Service Tests FAIL If possible always perform a Service Test on the component that you are about to replace just to make sure that is the component that has FAlLed If the test on that component passes there is no need to replace it Diagnostics Self Test Phone Support 3 2 Initialization Sequences Whenever the Printer is switched ON it automatically performs a series of internal self tests and mechanical initialization sequences If any of the parts FAIL a system error will appear and you should consult Chapter 2 System Error Codes on page 2 1 In certain circumstances a Call Agent can try and troubleshoot the Printer by requesting the Customer to perform a Service Test via the phone Using this process it can be determined whether the Printer requires any on site maintenance Remember that the Key combination for the Customer to Enter the Service Tests and Utilities is different from the one that the Customer Engineer will use HP Designjet T Series Service Manual Service Tests Diagnostics Service Tests Diagnostics 10 The following is a list of all internal Service Tests available in the Printer For instructions on entering the S
69. the adjacent and the consecutive nozzles If any nozzles are not printing correctly they will be shown on the right of each Printhead Nozzle test There is a series of numbered stepped diagonal lines If one or more of the nozzles are clogged malfunctioning or mis positioned you will see that the stepped lines are broken or misdirected in one or more places HP Designjet T Series Service Manual 1 11 Print quality troubleshooting Below the stepped lines highlighted in yellow are broken When the line is completely broken this means the nozzle is out 400 464 528 Below the stepped lines highlighted in yellow are misdirected When the line is misdirected this means the nozzle is malfunctioning or out of position On the left of each Printhead Nozzle test there is a series of horizontal straight lines If one or more nozzles are misdirected there will be unequal spaces between the corresponding lines Corrective Action If the printer has nozzle defects you can still get perfect print quality results The printer can automatically compensate for nozzle defects so there is no need to replace the Printhead The method of improving Nozzle Defects is to 1 Recover the Printheads using the Front Panel Main Menu Image Quality Maintenance Clean Printheads option 2 Reprint the Printhead Nozzles Test Plot to verify that the defective nozzles have been corrected 3 Ifthe problem continues replace the defect
70. the cables that you have disconnected HP Designjet T Series Service Manual 6 210 Removal and Installation Electronics Module Main PCA amp PSU T1120 T1120ps T620 8 Remove two T 15 screws that secure the Electronics Module to the Printer 9 Remove one T 15 screw that secures the Electronics Module to the Printer 10 Remove one T 15 screw that secures the Electronics Module to the Printer HP Designjet T Series Service Manual 6 21 Removal and Installation Electronics Module Main PCA amp PSU T1120 T1120ps T620 11 Remove two T 15 screws that secure the Electronics Module to the Printer 12 Remove one T 15 screw that secures the Electronics Module to the printer 13 Carefully lift the Electronics Module out of the printer HP Designjet T Series Service Manual 6 212 Removal and Installation Electronics Module Main PCA amp PSU T1120 T1120ps T620 14 When you install the Electronics Module make sure it is correctly aligned with the mounting rail When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual 6 213 Removal and Installation Starwheel Assembly Starwheel Assembly Removal Switch off the printer and remove the power cable 1 Open the Window Rem
71. the following message appears on the front panel you must select 4 12 whether you would like to continue with the calibration by pressing the OK key Press Back or Cancel to exit the calibration Reset DD Calibration Flag Press OK to proceed with the Reset Drop Detector calibration Flag or BACK CANCEL to exit HP Designjet T Series Service Manual Service Calibrations 4 The printer will start to reset the calibration flag Reset DD Calibration Flag Drop Detector Calibration Flag clearing 5 Once the calibration is completed the Front Panel will return to the menu 6 Restart the printer and the printer will automatically calibrate the drop detector Calibrate Drop Detector Perform the Drop Detector Calibration as follows 1 In the Service Calibrations submenu scroll to Drop Detector Calibration and press OK Service calibrations Scan Axis calibration Service Station Paper advance calibration H Drop Detector calibration Line Sensor calibration Carriage PCA 2 In the Drop Detector Calibration submenu scroll to Calibrate Drop Detector and press OK Drop Detector calibration Calibrate Drop Detector Reset Calibration Flag 3 When the following message appears on the front panel you must select whether you would like to continue with the calibration by pressing the OK key Press Back or Cancel to exit the calibration Drop Detector Calibration Press OK to proceed with
72. the following messages E Moving Bongos up E Checking DDI condition 12 The Front Panel then displays Check Leakage test results Moving Bongos up Checking ODI condition ALL the Supplies are OK Press any key to finish 13 The Front Panel shows the test complete display for a few seconds Check Leakage 14 The Front Panel prompts you to shutdown the printer to complete the test Check Leakage Press any key to shutdown the system 15 Press any key to shutdown the printer 8 Service Station The complete Service Station test consists of individual tests for the different components related to this subsystem These tests are E Service Station E Primer Motor E Aerosol Fan HP Designjet T Series Service Manual 3 41 Service Tests and Utilities 3 42 Diagnostic tests also need to be performed after removing or replacing certain printer components If you have removed or replaced printer components check the Service Calibration Guide to Removal and Installation on page 6 5 to see which tests and calibrations you need to perform Service Station In the Diagnostics menu scroll to 8 Service Station and press OK Diagnostics menu Po SENSU s a e6 Rewinder HY IDS 6 Service Station 5 T 0 Information e 1a Unit Information 11 EEROM Reset The Front Panel will show the 8 Service Station submenu 6 Service Station e Service Station Primer Motor Aerosol Fan In the 8
73. the printer For 44 inch printers the Rewinder located on the Right Spindle Holder rewinder included should maintain proper back tension If the Right Spindle Holder rewinder included is misaligned or not properly attached to the printer the Rewinder will not function properly For a graphic of a properly installed Rewinder see Right Spindle Holder and Rewinder T1120 T1120ps T620 on page 6 87 To further diagnose problems with the Rewinder see 6 Rewinder on page 3 34 E Always load sheet media using the Rear Input Tray Do NOT load the media as you would load roll media E t must be loaded with the right hand edge against the blue line on the Print Platen E The media may be crumpled or warped or may have irregular edges E f hand cut media is used the edges may not form a right angle or they may be rough If possible hand cut media should not be used Only purchased sheet media should be used in the Printer E f you have problems with paper jams check that the Overdrive is not obstructed by bits of paper or using the Turn Drive Roller Service Utility See 1 Turn Drive Roller on page 3 57 Check that the Right Spindle Holder rewinder included is properly attached and screwed to the printer For 44 inch printers the Rewinder located on the Right Spindle Holder rewinder included should maintain proper back tension If the Right Spindle Holder rewinder included is misaligned or not properly attached to HP De
74. the printer and remove the power cable HP Designjet T Series Service Manual Po gt i 6 Remove the Front Cover on page 6 16 Remove the Right Cover on page 6 27 Remove the Left Cover on page 6 30 Remove the Cutter Assembly on page 6 42 Remove the Front Panel on page 6 47 Remove the Top Cover on page 6 50 Remove the Window Position Sensor on page 6 53 Remove the Encoder Strip spring and nut T1120 T1120ps T620 on page 6 99 If necessary manually move the Carriage Assembly fully right into the docking station Disconnect the ribbon cable of the Trailing Cables from the Electronics Module 11 Unroute the Trailing Cables 6 127 Removal and Installation 12 Unclip and remove the cable clamp of the Trailing Cables 13 Unroute the Trailing Cables 14 Open the Carriage Cover 6 128 HP Designjet T Series Service Manual Removal and Installation Carriage Assembly T1120 T1120ps T620 15 Remove all the Printheads Unscrew the small cover of the Carriage PCA 17 Remove the small cover of the Carriage PCA HP Designjet T Series Service Manual 6 129 Removal and Installation 18 Disconnect the two ribbon cables of the Trailing Cables from the Carriage PCA 19 Remove the four T 15 screws that secure the Ink Supply Tubes to the Carriage Assembly 20 Caretully lift out the Ink Supply Tubes and close the carriage cover at the same time 6
75. to troubleshoot SE 79 04 c Execute the Disk Wipe This takes 45 75 minutes and it will completely clear all partitions in the Hard Disk which contain user data including the partition where the Operating System is installed After the disk wipe has completed a backup firmware version will automatically be installed from a backup partition to allow the unit to start up This firmware version is very old d The firmware in the printer should be upgraded to the latest official version as soon as the printer has restarted Mow After step c any 79 04 which is caused by corrupt data in the printer will be solved Important note It is possible that the corrupt data came to be in the printer as a consequence of some activity in the customer s workflow In this case it is possible that the issue will happen again In these cases it is very important to understand the sequence of events in the customer s workflow that led to the error occurring Once the error can be traced in the customer s workflow escalate the issue to the GBU through the GCC This is done to implement any changes in the printer s firmware that can prevent these issues occurring again Network related SE79 04 Most HP Designjet printers have built in networking capabilities Network settings can be set manually but in the majority of cases they are obtained automatically from the printer These settings include many different fields such as IP addre
76. type loaded corresponds to the paper type selected in the front panel and in the software You can verity the paper type selected through the Front Panel Main Menu Paper menu View loaded paper HP Designjet T Series Service Manual 1 29 Print quality troubleshooting 2 Try using a heavier paper type When printing dense colors it is recommended to use HP Heavyweight Coated Paper or HP Super Heavyweight Coated Paper Ink marks on the paper This problem may occur for several different reasons Horizontal smears on the front of coated paper If a lot of ink is used on plain or coated paper the paper absorbs the ink quickly and expands As the printheads move over the paper the printheads may come into contact with the paper and smear the printed image This problem is normally seen only on cut sheets of paper not on roll paper Corrective Action 1 Check that the paper type loaded corresponds to the paper type selected in the front panel and in the software You can verity the paper type selected through the Front Panel Main Menu Paper menu View loaded paper 2 Use a recommended paper type and the correct print settings 3 If using sheet paper try rotating the sheet 90 degrees The orientation of the paper fibers may affect performance 4 Try using a heavier paper type When printing dense colors it is recommended to use HP Heavyweight Coated Paper or HP Super Heavyweight Coated Paper 5 Try to increase the margin
77. update the Firmware to the latest version If you see system error 79 04 see Appendix A How to troubleshoot SE 79 04 on page 2 35 79 1 YZ Recoverable firmware error that does not stop the printing process Try the following Switch the Power OFF from the back of the Printer and disconnect the Power 2 29 System Error Codes Full Descriptions cord Reconnect the power cord and power On the Printer 2 Check that the Printer has the latest Firmware version If not update the Firmware to the latest version System Error 81 YZ Initial checks This error can occur because the printer has been dropped during transportation causing structural damage Before continuing with the 81 YZ troubleshooting first look for structural damage To identity the structural damage look for the following three things E Consistent 81 YZ error codes E Platen fingers rubbing on the roller surface leaving black marks on the roller E A gap on the platen beam If there s any gap in Z vertical direction between the plastic feature of the platen and the metal side plate then HP Designjet T Series Service Manual 2 30 System Error Codes the chassis is damaged and the unit cannot be repaired Problem Description Corrective Action 1 System Error Problem Description Corrective Action 1 2 31 Problem with paper advance This source of error could come from an error in any of the f
78. 0M on page 3 67 The printer s hard disk is used as a temporary storage area for print jobs The Disk Wipe utility can completely erase your information from the hard disk to protect it from unauthorized access SNMP See 11 SNMP on page 3 69 New Left Spittoon See 12 New Left Spittoon on page 3 70 HP Designjet T Series Service Manual 3 55 Service Tests and Utilities 13 Enable Hide Front Panel Information See 13 Enable Hide Front Panel Information on page 3 70 14 Enable Disable Port 280 See 14 Enable Disable Port 280 on page 3 71 Entering the Service Utilities Menu 1 Once the message Ready or Ready for paper is displayed on the front panel press the Menu key For information regarding the tront panel buttons see Using the Front Panel on page 3 5 Ready for paper http NPI 4ABCaASsbl sl http 16 25 94 30 2 To have the user to perform certain Service Utilities once inside the Main Menu press the Down arrow key and the Cancel key together You are now in the Service Tools Menu 3 For On Site Engineers once inside the Main Menu press the Up arrow key and the Cancel key together You are now in the Service Menu Menu 4 Use the Arrow keys to scroll to the Service Utilities menu option and press the OK key Service menu Service utilities Service calibrations Service tests 3 56 HP Designjet T Series Service Manual Service Utilities 5 Use th
79. 1100 T1100ps T610 on page 6 206 or Electronics Module Main PCA amp PSU T1120 T1120ps T620 on page 6 209 22 1 YZ Lett Ink Supply Station error Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer Check that the cables between the Left Ink Supply Station and Main PCA the are not damaged and are correctly connected Perform the Ink Delivery System diagnostic test to troubleshoot the problem further See 7 Ink Delivery System IDS on page 3 35 If the System Error continues replace the Left Ink Supply Station See Left Ink Supply Station on page 6 187 If the System Error continues replace the Main PCA See Starwheel Assembly on page 6 214 24 YZ Ink Setup failure you must bring purgers Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Insert the new purgers reconnect the power cord and power On the Printer Perform the Ink Delivery System diagnostic test in order to check that the bongos pushers go up and down to pressurize ink in the tubes and the Out of Ink sensors work properly See 7 Ink Delivery System IDS on page 3 35 Try purging the Ink Supply Tubes again once the Printer has been restarted HP Designjet T Series Service Manual 2 16 System Error Codes 4 If the diagnostic test does not find any problem install new cartridges in the printer and t
80. 130 HP Designjet T Series Service Manual Removal and Installation Carriage Assembly T1120 T1120ps T620 21 Close and lock the Carriage Cover 22 Loosen the T 10 uncapping screw sufficiently so you can manually move the Carriage Assembly in step 26 23 Push the Carriage Assembly into the print path HP Designjet T Series Service Manual 6 131 Removal and Installation 24 Loosen the T 15 screw Belt Tensioner to the printer to remove the tension from the belt 25 Leave the Belt Tensioner in place with all the tension removed 26 Remove the Belt Assembly from the Scan Axis Motor drive wheel 6 132 HP Designjet T Series Service Manual Removal and Installation Carriage Assembly T1120 T1120ps T620 27 Remove the two T 15 screw that secure the Media Lever attachment plate 28 Remove the Media Lever attachment plate 29 Disconnect the Pinchwheel Lifter Sensor HP Designjet T Series Service Manual 6 133 Removal and Installation S 30 Remove the T 15 screw that secures Encoder Strip to the printer 31 Grip the Encoder Strip and move it towards the left to take off the tension until you have completed the next step 32 Unclip the Encoder Strip from it s attachment lugs 6 134 HP Designjet T Series Service Manual Removal and Installation Carriage Assembly T1120 T1120ps T620 33 Unscrew the Trailing Cable support 34 Remove the Trailing Cable support 35
81. 2 22 System Error Codes System Error Problem Description Corrective Action 1 G3 System Error Problem Description Corrective Action 1 2 3 System Error Problem Description Corrective Action 1 2 2 23 Perform the Line Sensor calibration Check that the Printer has the latest Firmware version If not update the Firmware to the latest version Perform the Carriage Test to troubleshoot the problem further See 4 Carriage Assembly on page 3 26 If the System Error continues replace the Line Sensor See Line Sensor T1100 T1100ps T610 on page 6 156 or Line Sensor T 1120 1T1120ps T620 on page 6 161 61 YZ The file format is incorrect and the Printer cannot process the job Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer Check the graphic language setting of the Printer Refer to the User s Guide Resend the file to the printer Check that the Printer has the latest Firmware version If not update the Firmware to the latest version The PostScript fonts are missing Upgrading the Firmware will re install the fonts The file cannot be printed because it is password protected Resend the file without password protection 63 YZ Input Output problem through the network interface of the Formatter Try the following Switch the Power OFF from the back of the Pri
82. 5220 22 1 6 When the following message appears on the Front Panel you must select whether you would like to perform a complete erase of the Hard Disk Drive using the previously selected erase mode by pressing Enter Press Back or Cancel to exit the utility Disk Wipe Do0 5220 22 M This test will perform a complete and secure erase of the HOD in accordance with the requirements of Doo S228 22 M Press 0K to proceed or BACKY CANCEL to exit 7 When the following message appears on the Front Panel you must select whether you want to continue and completely erase of the Hard Disk Drive by pressing Enter Press Back or Cancel to exit the utility Disk Wipe Do0 5228 22 M Warning the HDD will be completely erased and data WILL be Lost Press 0K to proceed or BACK CANCEL to exit HP Designjet T Series Service Manual 3 68 Service Utilities 8 The erase process starts and the Front Panel shows a setup progress bar Secure disk erase Erasing disk 9 The printer reboots into the Disk Wipe mode and continues with the disk erase until it is completed Do NOT interrupt this process All Front Panel buttons are disabled while printer erases the HDD When the process is completed it will normally be necessary to update the printer s firmware with the latest available version since the Erase method may have installed an outdated version of the firmware Tl SNMP The purpose of this test is to en
83. 972 048 1e24 512 O864 6656 168 1601 EUAInt 3666 EU Press any key to finish 8 Press any key to finish 9 The Front Panel shows the test complete display for a few seconds Star Wheel Lifter 10 The Front Panel prompts you to shutdown the printer to complete the test Star Wheel Lifter Fress any key to shutdown the system 11 Press any key to shutdown the printer PRS Test The PRS subsystem is designed to move the carriage assembly between two predetermined vertical positions with respect to print platen plane This allows different media of different thicknesses to be used without losing print quality Perform the Scan Axis PRS test as follows Perform this test with the Printheads and the Tubes System installed in order to get values that can be compared correctly 1 In the Diagnostics menu scroll to 1 Scan Axis and press OK Diagnostics menu Paper Drive Electronics Module Carriage Assembly Sensors SOL HP Designjet T Series Service Manual 3 9 Service Tests and Utilities 2 The Front Panel will show the 1 Sean Axis submenu e Star Wheel Lifter 3 In the Sean Axis submenu scroll to PRS and press OK to start the test The Printer will start the Scan Axis subsystem Common Initialization and PRS test initialization If there is a Failure at any point during the tests the Front Panel will display the relevant System Error Code To trouble shoot any displayed
84. A HP Designjet T Series Service Manual 6 73 Removal and Installation 4 Remove the three T 15 screws that secure the PrintMech PCA to the Service Station 5 Remove the PrintMech PCA from the printer When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 6 74 HP Designjet T Series Service Manual Removal and Installation Pen to Paper Space PPS Solenoid T1 100 T1 100ps T6 10 Pen to Paper Space PPS Solenoid T1100 T1100ps T610 Removal Switch off the printer and remove the power cable 1 Remove the Right Cover on page 6 27 2 Unroute the Pen to Paper Space PPS Solenoid cable from the cable clamp _ 3 Disconnect the Pen to Paper Space PPS Solenoid connector from the PrintMech PCA 4 Remove two T 15 screws that secure the Pen to Paper Space PPS Solenoid to the printer HP Designjet T Series Service Manual 6 75 Removal and Installation 6 76 Remove the Pen to Paper Space PPS Solenoid from the printer When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual Removal and Ins
85. Appendix C Obtaining printer logs capability switch the printer off Then hold the OK key and the Form Feed and Cut key at the same time and switch the power On by pressing the Power key Hold the three keys together for 5 seconds then release them The logs are now activated HP Designjet T Series Service Manual 2 49 Appendix C Obtaining printer logs HP Designjet T Series Service Manual 2 50 Service Tests and Utilities Introduction 3 2 Diagnostics Self Test 3 2 Service Tests Diagnostics 3 3 Using the Front Panel 3 5 Entering the Service Tests Menu 3 6 1 Scan Axis 3 6 2 Paper Drive 3 18 3 Electronics Module 3 21 4 Carriage Assembly 3 26 5 Sensors 3 3 6 Rewinder 3 34 7 Ink Delivery System IDS 3 35 8 Service Station 3 4 9 1 O Information 3 47 10 Unit Information 3 48 11 EEROM Reset 3 49 12 Set Unit Configuration 3 50 13 Error 71 19 Recovery T1100 T1100ps T610 3 51 14 Others 3 54 Service Utilities 3 55 Entering the Service Utilities Menu 3 56 1 Turn Drive Roller 3 57 2 Purge Tubes 3 58 3 Set SN 3 61 4 Reset Life Counters 3 61 5 Diagnostic Print 3 63 6 Set Date and Time 3 63 7 Enable Disable Firewall 3 64 8 Reset User Life Counters 3 65 9 Enable Disable Sleep Mode 3 66 10 Disk Wipe DoD 5220 220M 3 67 11 SNMP 3 69 12 New Lett Spittoon 3 70 13 Enable Hide Front Panel Information 3 70 14 Enable Disable Port 280 3 71 15 Rewinder Adjust 3 71 Service Tests 3 73 Entering
86. Checking Pen status HP Designjet T Series Service Manual 3 29 Service Tests and Utilities 34 The Front Panel then displays the test result Pens status UF Press any key to continue 35 The Encoder Manager test starts and the Front Panel displays Starting EncoderManager Moving Carriage center Setting Encoder Reading Encoder position Moving Carriage to lett Reading Encoder position Checking Encoder readings Moving Carriage rightwards Reading Encoder positions Checking Encoder readings 36 The Front Panel then displays Encoder Difference Left Right test result and prompts you to press any key to finish Carriage Assembly Encoder Difference Left Right 0376 0352 eu Press any key to finish Carriage Assembly Encoder Difference Left Right 1162 1165 eu Press any key to finish 37 Press any key to finish 38 The Front Panel shows the test complete display for a few seconds Carriage Assembly 3 30 HP Designjet T Series Service Manual Service Tests Diagnostics 39 The Front Panel prompts you to shutdown the printer to complete the test Carriage Assembly Press any key to shutdown the system 40 Press any key to shutdown the printer 5 Sensors The Sensors test diagnoses Failures of any sensors of the printer Always run this test before replacing any of the following sensors E Window sensor E Media Lever position sensor E Media sensor
87. Do you want to change the Part Number of the unit NO Press UP DOWN to change OF to select or CANCEL to abort If you want to change the Part Number of the unit select YES If you do not want to change the Part Number select NO If you selected YES to change the Part Number the Front Panel prompts you to select from a list of allowed Part Numbers SE 71 19 Recovery serial Number MYecJeceark New Part Number Q66684 Allowed Part Numbers Q66604 M66594 Q56694 0567 04 06677A 066754 Q66o04 Q66G7A 06684A Q66634A Qe71iA 6712A Use the arrow keys to scroll through the allowed Part Numbers and press OK to select the Part Number Once you have entered and confirmed the Serial Number the Front Panel prompts you to confirm your selection a second time SE 71 19 Recovery Serial Number MYECJOCAOK New Part Number NEREA Fress OK to confirm or BACK to modify HP Designjet T Series Service Manual Service Tests Diagnostics 14 The Front Panel shows the test complete display for a few seconds SE 71 19 Recovery 15 The Front Panel prompts you to shutdown the printer to complete the test SE 71 19 Recovery Press any key to shutdown the system 16 Press any key to shutdown the printer Select Right S N 1 In the Diagnostics menu scroll to 13 Error 71 19 Recovery and press OK My LIUS rs 6 Service Station eo I O Information eia Unit Information 11 EEROM Reset Set Unit co
88. Drop Detector calibration or BACK CANCEL to exit HP Designjet T Series Service Manual 4 13 Service Calibrations 4 The Printer will start to calibrate the Drop Detector Drop Detector Calibration Drop Detector calibrating 5 Once the Drop Detector has been calibrated the results will be displayed on the Front Panel Press OK to finish the calibration Drop Detector Calibration DD Offset Range 96 to 96 DD Offset got 8 Min window width 15 Window width got Press 0K to accept or CANCEL to reject values 6 Once the calibration is completed OK will be displayed on the Front Panel Drop Detector Calibration Line Sensor Calibration The purpose of this Service Calibration is to calibrate the intensity of the line sensor in the Carriage PCA An incorrect calibration can result in edge detection failures during media loading and incorrect reading of prints that are used for alignment or calibration Perform the Line Sensor Calibration whenever E Edge detect procedure fails during media loading E Carriage is disassembled or replaced E Line Sensor is disassembled or replaced E Banding is detected in prints E Misalignment between colors is detected Service calibrations also need to be performed after removing or replacing certain printer components If you have removed or replaced printer components check the Service Calibration Guide to Removal and Installation on page 6 5 to see whi
89. ER REPLACING IT Perform the Reset Lite Counters utility as follows In the Service Utilities submenu scroll to Reset Life Counters and press HP Designjet T Series Service Manual 3 61 Service Tests and Utilities OK Service utilities me Turn Drive Roller Diagnostic Print Set Date and Time 2 Select Reset Maintenance Kit usage to reset the Life Counter for ALL parts included in a Preventative Maintenance Kit PMK Select Reset usage counters to reset the Life Counter of a single part Reset life counters H Reset Maintenance Kit usage Hl Reset usage counters a lf you select Reset Maintenance usage which will reset the Life Counter for ALL parts included in a Preventive Maintenance Kit PMK you can choose from the following Preventive Maintenance Kits E Preventive Maintenance Kit 1 PMK1 See Preventive Maintenance Kit 1 on page 5 E Preventive Maintenance Kit 2 PMK2 See Preventive Maintenance Kit 2 on page 6 E Preventive Maintenance Kit 3 PMK3 See Preventive Maintenance Kit 3 on page 6 For more information about the counters that are reset See Chapter 7 Preventive Maintenance on page 7 1 lt is also advisable to check the status of the Life Counters related to the other Preventive Maintenance Kits to avoid multiple trips to the customer b If you select to Reset usage counters which will reset the Lite Counter of a single part you can choose trom the following parts Tubes
90. F THE WINDOW IS OPENED SO BE VERY CAREFUL NOT TO PUT YOUR HANDS INSIDE IF POSSIBLE ALWAYS PERFORM THIS TEST BEFORE REPLACING ANY COMPONENT OF THE MEDIA AXIS Perform the Paper Drive test as follows Perform this test with the Printheads and the Tubes System installed in order to get values that can be compared correctly In the Diagnostics menu scroll to 2 Paper Drive and press OK Diagnostics menu Scan Axis Paper Drive Electronics Module Carriage Assembly Sensors Rewinder 2 The printer starts the Paper Drive test to verify the subsystem As the test 3 18 executes the Front Panel displays the following messages Starting Horsburgh and Mips Starting Nvm Starting Tests PWM Starting Tests GPIO Booting up the Carriage Starting DelSol1 HP Designjet T Series Service Manual Service Tests Diagnostics E Starting Carriage E Getting Part Number E Part Number E Checking PCA Rev 3 The Front Panel then displays the Main PCA Revision and prompts you to press any key to continue The Main PCA Revision should be greater than 15 Main PCA Revision 0 WS Press any key to continue 4 Press any key to continue 5 The Front Panel displays the following messages E Prog slow PWM paper 6 The Front Panel then prompts you to remove the media remove the media for testing and keep out from the platen zone Press any key to continue 7 Remove the media 8 Press any key to
91. FF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer Check that the Front Panel interface cable is not damaged and is correctly connected between the Main PCA and the Front Panel Check that the connections between the Formatter and the Main PCA are not damaged and are correctly connected If the System Error continues replace the Formatter See Formatter on page 6 204 If the System Error continues replace the Main PCA See Starwheel Assembly on page 6 214 System Error Codes 6 Ifthe System Error continues replace the Front Panel See Front Panel on page 6 47 System Error 08 YZ T1120 T1120ps T620 ONLY Corrective Action The LEDs of the formatter visible through the cover and the power supply can help you troubleshoot a problem when the Front Panel is blank The following image shows the Power Supply LED looking through the cover a The following image shows the Formatter LEDs which should be marked 1 2 and 3 lag Use the following table to interpret the LEDs and find the source of the problem Remember that you should read these LEDs when you push the Power button Some combinations may require the replacement of two or more components In this case always replace one component at a time Test the printer to see if the problem has disappeared check the LEDs again If the same LED sequence continues replace the next component indicated
92. Fan test starts and the front Panel displays the following messages E Starting Horsburgh and Mips E Starting Nym E Starting TestsGpio E Getting Part number E Reading Aerosol Fan 5 The front Panel then prompts you switch on the Aerosol Fan Aerosol Fan switched Off Do you want to turn On YES Press UP DOWN to change and OK to select 6 Press OK to switch on the Aerosol Fan If you do not wish to switch on the Aerosol Fan use the Arrow keys to select NO and press OK 7 The test continues and the Front Panel displays the following message E Turning on Aerosol Fan 8 The Front Panel then displays the results Aerasol Fan On Off OF Press any key to continue 9 Press any key to continue 10 The front panel prompts you to check if the Aerosol Fan is operating Is the Aerosol Fan switched Press UP DOWN to change and ENTER to select 11 Listen carefully to check if the Aerosol Fan is operating 3 46 HP Designjet T Series Service Manual Service Tests Diagnostics 12 If it is operating use the Arrow keys to select YES and press OK If it is NOT operating select NO and press OK 13 The Front Panel then displays the following message E Checking Fault condition 14 The Front Panel shows the test result Press any key to finish 15 Press any key to finish 16 The Front Panel shows the test complete display for a few seconds 17 The Front Panel prompts you to shutdown
93. HP Designjet T Series Service Manual 6 222 Removal and Installation Encoder Disk and Encoder Sensor 6 Remove two T 6 screws that secure the Encoder Sensor to the Media Advance Drive 7 Remove the Encoder Sensor PCA from the printer HP Designjet T Series Service Manual 6 223 Removal and Installation Media Advance Drive Media Advance Drive The Media Advance Drive removal procedure for the T1100 T1100ps T610 and T1120 T 1120ps T620 printers is the same The only difference between the two sets of printers is the cable connections Removal Switch off the printer and remove the power cable 1 Remove the Lett Cover on page 6 30 2 Remove the Electronics Module Main PCA and PSU See page 6 206or 6 209 depending on the printer model 3 Remove the Left Spittoon on page 6 220 4 Remove the Encoder Disk and Encoder Sensor on page 6 222 5 Unroute the Media Advance Drive power cable 6 Remove three T 15 screws that secure the Media Advance Drive to the printer HP Designjet T Series Service Manual 6 224 Removal and Installation Media Advance Drive 7 Grip the motor housing of the Media Advance Drive and gently pull it towards you sufficiently to allow you disengage the Media Advance Drive from printer 8 Carefully lift the Media Advance Drive out of the printer Installation When you finish installing or replacing this component you must perform the necessary Service Ca
94. HP Designjet printers have Hard Disks and non volatile memories that contain data bases and files that can be modified with user data Some examples include E The printer s queue E The hard drive partitions that contain user jobs E The data base that stores the printer settings E The data base that stores accounting information Some of this data is accessed by the printer at start up and some others are accessed as needed HP Designjet T Series Service Manual 2 36 Appendix A How to troubleshoot SE 79 04 It any of this tields contains corrupt data or data with characters or values that cannot be correctly processed by the printer a 79 04 system error may occur Possible symptoms There are two different types of symptoms for data related 79 04 system errors 1 When the corrupt data is accessed during start up a The printer will display a 79 04 during the start up process b Switching the printer off and on again will not solve the issue The printer will continue displaying the 79 04 system error until the corrupt data has been cleared through a service procedure 2 When the corrupt data is accessed during normal printer operation a The printer will start up normally b When the data is accessed for example while printing while navigating the queue or when changing some settings the printer displays a 79 04 system error c The printer can reboot normally d When the data is accessed again typically under the same
95. Into the Printer 1 52 You Cannot Insert the Printhead Into the Printer 1 52 The front panel says to reset or replace a printhead 1 52 Maintaining and Cleaning the Printheads 1 53 Clean the printheads 1 53 Flex Contacts Cleaning Tool 1 54 HP Designjet T Series Service Manual 1 2 Using the Front Panel Using the Front Panel Below is a diagram of the front panel View Loaded Paper Up and Down View Ink Levels Cancel Form Feed and Cut Unload Paper Key Function E Arrow Keys Use the Arrow keys to scroll through a menu or toggle between YES or NO when prompted E Cancel Use the Cancel key to abort or stop a procedure or reject test results E OK Use the OK key to select a menu option E Power Use the Power key to turn the printer ON and OFF E Menu Use the Menu key to enter the main menu E Back Use the Back key to go back to the previous menu or reject test results Service Key Combinations E Diagnostic mode With the printer OFF press and hold the UP and OK keys While holding the Up and OK keys down press and hold the Power key to turn on the printer Hold all three keys until the Power key stops flashing usually about 5 seconds E Service Menu Service Engineers Only From the main menu press and hold the Up and Cancel keys E Service Menu For users From the main menu press and hold the Down and Cancel keys HP Designjet T Series Service Manual 1 3 Troubleshooting General Troubleshootin
96. Power cord Reconnect the power cord and power On the Printer Perform the Carriage Test to troubleshoot the problem further See 4 Carriage Assembly on page 3 26 Check the Line Sensor connections to the Carriage PCA Replace the Line Sensor See Line Sensor T1100 T1100ps T610 on page 6 156 or Line Sensor 11120 T1120ps T620 on page 6 161 If the System Error continues replace the Carriage PCA See Carriage PCA T1100 T1100ps T610 on page 6 177 or Carriage PCA T1120 T 1120ps T620 on page 6 182 56 YZ Drive roller analog encoder sensor fail or calibration tailed Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer Perform the Media Path Test to troubleshoot the problem further See 2 Paper Drive on page 3 18 Replace the Encoder Disk and Encoder Sensor See Encoder Disk and Encoder Sensor on page 6 222 If the System Error continues replace the Main PCA See Starwheel Assembly on page 6 214 58 YZ The Line Sensor of the printer is not functioning correctly Either the Line Sensor shutter has tailed to open there is a failure to communicate with the Line Sensor the Line Sensor is not calibrated correctly or the firmware is not compatible with the Line Sensor Try the following Switch the Power OFF from the back of the Printer and disconnect the power cord Reconnect the power cord and power On the Printer
97. Print Zone Overdrive 7 Carefully litt the lett Print Zone Overdrive enough 10 mm so you can slide it to the left 8 Slide the left Print Zone Overdrive to the left disengage the center coupling 9 Carefully left Print Zone Overdrive out of the printer HP Designjet T Series Service Manual 6 218 Removal and Installation Print Zone Overdrive 10 Remove the center coupling 11 Use a flat bladed screwdriver to unclip the left Print Zone Overdrive retaining clip and rotate the clip vertically 12 Carefully lift the right Print Zone Overdrive out of the printer N When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual 6 219 Removal and Installation Left Spittoon Left Spittoon Removal This procedure describes how to remove the complete Left Spittoon which is necessary to gain access to other components Switch off the printer and remove the power cable 1 Remove the Left Cover on page 6 30 2 Remove the Electronics Module Main PCA and PSU See page 6 206or 6 209 depending on the printer model 3 Remove two T 8 screws that secure the Left Spittoon to the printer 4 Remove one T 10 screw that secures the Left Spittoon to the printer HP Designjet T Series Service Man
98. Removal and Installation Service Calibration Guide to Removal and Installation Performing the Service Calibrations and Diagnostic Tests When you are ready to perform the service calibrations and diagnostic tests that correspond to the component you have installed or replaced consult the following page numbers for procedures PRS Test on page 3 9 Scan Axis Test on page 3 1 Cutter test on page 3 16 Star Wheel Lifter test on page 3 7 2 Paper Drive on page 3 18 3 Electronics Module on page 3 21 4 Carriage Assembly on page 3 26 5 Sensors on page 3 31 6 Rewinder on page 3 34 7 Ink Delivery System IDS on page 3 35 8 Service Station on page 3 41 Paper Advance Calibration on page 4 6 Drop Detector Calibration on page 4 12 Line Sensor Calibration on page 4 14 HP Designjet T Series Service Manual 6 9 Removal and Installation Bin Assembly Removal Switch off the printer and remove the power cable 1 Lay out the components of the basket 2 Fit the basket supports to the stand legs one to each leg 3 Fit the two short tubes to the printer s feet one on the front of each foot Each tube should click into place 6 10 HP Designjet T Series Service Manual HP Designjet T Series Service Manual Removal and Installation Bin Assembly 4 Attach the basket s front tubes to the two short tubes on each foot 5 Rest the baskets rear tubes on the supports that you have just fitted to e
99. Remove the seven T 15 screw that secure the Scan Side Panel to the printer HP Designjet T Series Service Manual 6 135 Removal and Installation 36 Remove the Scan Side Panel 37 Caretully slide the Carriage Assembly and Belt Assembly out of the printer and the Trailing Cable if you are removing it with the Carriage Assembly 38 Remove the cutter assembly When you reinstall the Carriage Assembly take care not to damage the PRS Slider When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 6 136 HP Designjet T Series Service Manual Removal and Installation Carriage Rear Bushing Carriage Rear Bushing Removal Switch off the printer and remove the power cable HP Designjet T Series Service Manual Soe Se SS 10 11 Remove the Front Cover on page 6 16 Remove the Right Cover on page 6 27 Remove the Left Cover on page 6 30 Remove the Cutter Assembly on page 6 42 Remove the Front Panel on page 6 47 Remove the Top Cover on page 6 50 Remove the Window Position Sensor on page 6 53 If the printer is a T1100 T1100ps T610 remove the Ink Supply Tubes Support Rail T1100 T1100ps T610 on page 6 55 Remove the Encoder Strip spring and attachment nut See page 6 96 or 6 99 depending on the printer model
100. Series Service Manual 5 11 Parts and Diagrams Right Hand Assemblies 1 6675 60043 Carriage Rail Oiler Q5669 67807 Pen to Paper Space PPS Solenoid Q5669 60674 Scan Axis Motor T1120 CK837 67015 T1120ps T620 4 Q6683 60190 60190 o PCA Fan Assembly Some units 7 Q5669 60664 MOY not have an aerosol fan Ifa 71100 unit does not have an aerosol fan T1100ps it does not need to be connected 7610 Service Station Includes Drop Detector Aerosol Fan Assembly Q6083 6018 Printmech PCA and Service Station Spittoon Service Station Includes Drop T1120 CK837 67022 Detector and Service Station T1120ps Spittoon o 05869 60566 a Keiers to the page in the Removal and Installation Chapter 5 12 HP Designjet T Series Service Manual Parts and Diagrams Right Hand Assemblies Figure 5 6 Right Hand Assemblies HP Designjet T Series Service Manual 5 13 Parts and Diagrams Left Hand Assemblies CK837 67020 Q5669 60700 5 Media Advance Transmission CK837 67019 o Q5669 67049 Left Spittoon Q5669 60693 Power Supply Unit PSU Assembly Q6718 67005 Q6683 60192 60192 pe OUa 06687 60057 Main PCA with Power Supply Unit CK837 67007 PSU Assembly CK839 67001 Q6683 60021 Formatter with Hard Disk Drive Printers manufactured after Q6 11 60024 February 2008 Q6684 60008 T1100 T1100ps T610 1 Q6683 60188
101. Service Manual HP Designjet T1100 T1100ps T610 T1120 T1120ps T620 invent printer series Version 9 1 August 22 2009 For HP internal use only Copyright Hewlett Packard Company 2009 This document contains proprietary information that is protected by copyright All rights are reserved No part of this document may be photocopied reproduced or translated to another language without the prior written consent of Hewlett Packard Company Warranty The information contained in this document is subject to change without notice Hewlett Packard makes no warranty of any kind with regard to this material including but not limited to the implied warranties of merchantability and fitness for a particular purpose Hewlett Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material Content Management Department Barcelona Division Hewlett Packard Espanola S A Avda Graells 501 08190 Sant Cugat del Vall s Spain Warning The procedures described in this manual are to be performed by HP qualified service personnel only Electrical shock hazard Serious shock hazard leading to death or injury may result if you do not take the following precautions e Ensure that the AC power outlet mains has a protective earth ground terminal Disconnect the Printer trom the power s
102. Service Calibration is to reset the ink short thresholds after replacing the Carriage PCA This calibration is integrated into the Scan Axis diagnostic test See 4 Carriage Assembly on page 3 26 Perform the Carriage Setup as follows 1 In the Service Calibrations submenu scroll to Carriage PCA and press OK Service calibrations e Scan Axis calibration e Service Station Paper advance calibration Drop Detector calibration Line Sensor calibration Carriage PCA HP Designjet T Series Service Manual 4 17 Service Calibrations 2 To calibrate the Carriage PCA run the Carriage Assembly diagnostic test See 4 Carriage Assembly on page 3 26 Carriage PCA Calibration Please go to the Diagnostics Carriage Assembly Press OK to exit 4 18 HP Designjet T Series Service Manual Parts and Diagrams Printer Support 5 2 Center Covers Front 5 4 Center Covers Rear 5 6 Right Cover F t heave 5 10 Right Hand Ape a F 12 Left Hand opal ies 5 14 Carriage Assembly T1100 T1100ps T610 5 17 Carriage Assembl pees a 5 19 _ _ Si Scan Axis Assemblies T1100 T 1100ps T610 5 21 Scan Axis Assemblies 11120 1N120ps 1820 5 23 Paper Path Assemblies Front 5 25 Paper Path Assemblies Rear 5 27 Tool Kits 5 29 Miscellaneous Parts 5 31 New Formatter Design 5 32 HP Designjet T Series Service Manual 5 1 Parts and Diagrams Printer Support P 056696078 a 2 Q5669 60716 Legs legs Ass
103. Service Manual Removal and Installation Scan Axis Motor T1 120 T1120ps T620 5 Loosen the T 15 screw Belt Tensioner to the printer to remove the tension from the belt 6 Leave the Belt Tensioner in place rr 1 ha W KAU j 7 Remove the Belt Assembly from the drive wheel of the Scan Axis Motor HP Designjet T Series Service Manual 6 147 Removal and Installation 8 Remove three T 15 screws that secure the Scan Axis Motor to the printer 9 Unroute the Scan Axis Motor supply cable from the cable clamp 10 Disconnect the Scan Axis Motor supply connector from the L1 Harness 6 148 HP Designjet T Series Service Manual Removal and Installation Scan Axis Motor T1 120 T1120ps T620 11 Remove three T 15 screws that secure the Scan Axis Motor to the printer 12 Carefully pull the Scan Axis Motor out of the printer 10 mm until you can rotate it approximately 30 degrees counterclockwise 13 Remove the Scan Axis Motor from the printer When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual 6 149 Removal and Installation Cable Harness T1120 T1120ps T620 Removal Switch off the printer and remove the power cable Remove the Left Cover on page 6 30 Remove the Ri
104. Side Plate of the Left Ink Supply Station HP Designjet T Series Service Manual 6 195 Removal and Installation Ink Supply Tubes T1 100 T1 100ps T61 0 19 Remove the Left Ink Supply Station bonding cable Bm 20 Remove the right Side Plate of the Left Ink Supply Station 21 Carefully lift the Ink Supply Tubes out of the printer When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual 6 196 Removal and Installation Ink Supply Tubes T1 120 T1 120ps T620 Ink Supply Tubes T1120 T1120ps T620 Removal Switch off the printer and remove the power cable Remove the Right Cover on page 6 27 Remove the Left Cover on page 6 30 Remove the Front Panel on page 6 47 Remove the Top Cover on page 6 50 Open the Carriage Cover 2 YS 6 Remove all the Printheads HP Designjet T Series Service Manual 6 197 Removal and Installation Ink Supply Tubes T1 120 T1 120ps T620 7 Unscrew the small cover of the Carriage PCA 8 Remove the small cover of the Carriage PCA 9 Disconnect the ribbon Trailing Cable from the Carriage PCA HP Designjet T Series Service Manual 6 198 Removal and Installation Ink Supply Tubes T1 120 T1 120ps T620 10 Remove the four T 15 screws
105. Solving Print Quality Problems 1 5 The Printer does not Power ON 1 5 The Printer Continuously Rejects Printheads 1 5 Cover Sensors are not Working 1 5 The Line Sensor has Problems Detecting Media 1 5 Banding at variable extreme environmental conditions 1 6 Worm marks on HP Coated media with light area fills 1 6 Solving Media Handling Problems 1 7 Print quality troubleshooting 1 9 Print Quality Troubleshooting Actions 1 9 The Service Image Quality Diagnostic Print 1 9 Reading the Diagnostic Print Results 1 1 Diagnostic Part 1 Printhead Reliability 1 11 Diagnostic Part 2 Printhead Alignment 1 12 Diagnostic Part 3 Printheads amp Paper Advance 1 13 The Advanced Diagnostic Prints 1 15 Reading the Advanced Diagnostic Print Results 1 16 Troubleshooting Print Quality Problems 1 24 Print Quality General Advice 1 24 Horizontal Lines Across the Image Banding 1 24 Lines are Missing Too Thin or Too Thick 1 25 Problems with Stepped Lines 1 26 Lines are Printed Double or in Wrong Colors 1 27 Lines are discontinuous 1 27 Lines are Blurred Ink Bleeds from Lines 1 28 Problems with Graininess 1 28 Paper is not Flat 1 29 Ink marks on the paper 1 30 Horizontal smears on the front of coated paper 1 30 Ink marks on the back of the paper 1 30 Problems with the Edges of objects 1 31 Stepped or not sharp 1 31 Darker than expected 1 31 Black and white prints do not look neutral 1 31 Horizontal lines at the end of a cut sheet print 1 31 Vertical lines of di
106. T 15 screw that secure the Media Lever attachment plate 36 Remove the Media Lever attachment plate 6 124 HP Designjet T Series Service Manual Removal and Installation Carriage Assembly T1 100 T1100ps T610 37 Disconnect the Pinchwheel Lifter Sensor 38 Unroute the cables from the cable clamps on the Scan Side Panel 39 Remove the seven T 15 screw that secure the Scan Side Panel to the printer HP Designjet T Series Service Manual 6 125 Removal and Installation 40 Remove the Scan Side Panel 41 Carefully slide the Carriage Assembly and Belt Assembly out of the printer and the Trailing Cable if you are removing it with the Carriage Assembly Before you reinstall the Carriage Assembly use an alcohol dampened cloth to remove all traces of residual adhesive remaining from the double sided pads removed earlier before applying new pads in the same positions as the original pads Carriage Assembly without Tre ibla E When you reinstall the Carriage Assembly take care not to damage the PRS Slider When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 6 126 HP Designjet T Series Service Manual Removal and Installation Carriage Assembly T1120 T1120ps T620 Carriage Assembly T1120 T1120ps T620 Removal Switch off
107. able Port2dea M Enable D Disable 3 The Front Panel returns you to the service utilities submenu 15 Rewinder Adjust This utility clears the calibration parameters associated with a Rewinder motor after it has been replaced It should be run after replacing the Rewinder This utility is intended only for HP Designjet T1120 printers with firmware 8 0 0 3 version or later For other printers in the family such as the HP Designjet T610 T1100 or for T1120 printers with old firmware this utility is not required HP Designjet T Series Service Manual 3 7 Service Tests and Utilities 1 In the Service Utilities submenu select Rewinder Adjust Taiki Doe TL z Disk Wipe DoD 5220 220M P SHMF Hew Left Spittoon Enable Hide FP information b Enable Disable Port280 w Rewinder Adjust 2 Ifthe Rewinder Adjust value is not 100 set it to 100 using the Up Down keys and then press OK 3 Press OK again to confirm 4 Restart the printer 3 72 HP Designjet T Series Service Manual Service Tests Service Tests Entering the Service Tests Menu 1 Once the message Ready or Ready for paper is displayed on the front panel press the Menu key For information regarding the tront panel buttons Using the Front Panel on page 3 5 Ready for paper http NPI OJOCA95B131 http 2 16 25 94 58 2 To have the user to perform certain Service Utilities once inside the Main Menu
108. able disable the SNMP counter on the printer These counters are required to use the HP pay per use functionality 1 In the Service Utilities submenu scroll to SNMP and press OK Service utilities FSsPL Pale ai ile Enable Disatle Firewall e Reset User Life counters gt Enable Disable Sleep mode E Disk Wipe Dod 5220 220M gt SNMP e New Left Spittoon 2 Use the Up and Down keys to select enable or disable and press OK to confirm your selection The read only SNMP OID js disabled Do YOU want to enable DISABLED Press UP DOWN to change and gi 3 The Front Panel displays the OK screen and then returns you to the service utilities submenu HP Designjet T Series Service Manual 3 69 Service Tests and Utilities 12 New Left Spittoon The new left spittoon setting must be enabled in order to purge the lett spittoon On T610 T 1100 printers this utility is automatially disabled but can be enabled by replacing the lett spittoon and enabling this option 1 In the Service Utilities submenu scroll to New Lett Spittoon and press OK Service utilities E Set Ud LE Alo I TNE b Enable Disable Firewall e Reset User life counters Enable Disable sleep mode m Disk Wipe DoD 522 220M gt SNMP 2 Use the Up and Down keys to select enable or disable and press OK to confirm your selection New Left Spittoon The New Left Spittoon is disabled Do you want to enable the New Left Spittoon YES P
109. ach leg of the stand 6 The basket is now complete 6 11 Removal and Installation Window Removal Switch off the printer and remove the power cable The Window can also be removed with the Top Cover to avoid scratching the Window See Top Cover on page 6 50 1 Open the Window 2 Remove the two T 15 screws that secure the left Window hinge locking plate to the Top Cover 3 Remove the left Window hinge locking plate from the Top Cover 6 12 HP Designjet T Series Service Manual Removal and Installation Window 4 Remove the Damper Rotary from the Top Cover 5 Remove the T 15 screws that secure each of the remaining three Window hinge locking plates to the Top Cover 6 Remove the remaining three Window hinge locking plates from the Top Cover HP Designjet T Series Service Manual 6 13 Removal and Installation 7 Remove the remaining three Damper Rotary pieces from the Top Cover 8 Grip the Window at the left and right edges and move it horizontally towards the right as far as it will go 9 Pull the Window towards the front to disengage the hinges 6 14 HP Designjet T Series Service Manual Removal and Installation Window 10 Litt the Window vertically out of the printer HP Designjet T Series Service Manual 6 15 Removal and Installation Front Cover Removal Switch off the printer and remove the power cable 1 Squeeze each of the four attachment c
110. agnostic test See 8 Service Station on page 3 41 1 In the Service Calibrations submenu scroll to Service Station and press Enter Service calibrations e Scan Axis calibration Service Station Paper advance calibration Drop Detector calibration Line Sensor calibration Carriage PCA 2 To calibrate the Service Station run the Service Station diagnostic test See 8 Service Station on page 3 41 Service Station Calibration Test not implemented Press any key to finish HP Designjet T Series Service Manual 4 5 Service Calibrations Paper Advance Calibration 4 6 The purpose of this Service Calibration is to calibrate the nominal advance of the media This calibration is necessary to control the exact movement of the media in order to avoid print quality problems like banding If you need to perform a Paper Advance Calibration to solve a print quality problem it is recommended that you first try the Paper Advance Calibration from the user s menu which will calibrate the printer to a specific paper type In order to perform the Paper Advance Calibration you must order the Paper Advance Calibration Kit which contains two sheets of HP Universal Instant Dry Photo Gloss paper E 24 inch Q6683 60241 E 44 inch Q6687 60093 Perform the Service Accuracy Calibration whenever E Banding is detected in prints Service calibrations also need to be performed after removing or replacing certain printer c
111. aintenance Clean Printheads 3 Media E Select the correct media type through the front panel when loading it E Make sure that HP or HP approved media is being used 4 Perform the Printhead Alignment Main Menu Image Quality Maintenance Align Printheads using the same paper type with which you were experiencing unacceptable image quality if feasible some paper types are not suitable for Printhead Alignment 5 Check if the latest version of the firmware is installed If not install the latest firmware revision The Service Image Quality Diagnostic Print What is the Service Image Quality Diagnostic Print The Printer contains an internal Image Quality Test which helps you to diagnose the possible source of any image quality defects The Service IQ Diagnostic Print is available in the following options 1 Image Quality Service Best Plot This plot helps you to diagnose in more detail the possible source of any image quality defects It is accessible through the Service Utility Menu The Image Quality Service Best Plot uses the Best Print Mode and is divided in to three parts as follows E Diagnostic Part 1 Printhead Reliability Test The purpose of this test is to identity which Printhead is faulty HP Designjet T Series Service Manual 1 9 Print quality troubleshooting E Diagnostic Part 2 Printhead Alignment Test This test is designed to check any color to color and bi directional misalignment the printer may have
112. al and Installation on page 6 5 to see which tests and calibrations you need to perform Service Calibration Guide to Removal and Installation on page 6 i Perform the Electronics Module test as follows 1 In the Diagnostics menu scroll to 2 Electronics Module and press OK Diagnostics menu Sean Axis Paper Drive 1 Electronics Module Carriage Assembly sensors Rewinder 2 The printer starts the Electronics Module test and displays the following messages E Starting Horsburgh and Mips E Starting Nym E Accessing Nvm HP Designjet T Series Service Manual 3 21 Service Tests and Utilities 3 The printer starts the Electronics Module test to verify the subsystem and prompts you to test the Power Supply Do you want to check the Power Supply YTES Press UP DOWN to change and OK to select 4 Press OK to the test the Power Supply If you do not wish to test the power supply use the Arrow keys to select NO and press OK 5 The Power supply test starts and the Front Panel displays the following messages E Starting DelSol7 E Starting Carriage E Getting PSU voltages 6 The Front Panel then displays the Power Supply test results Power supply voltages wolt 45 32 53 J2 93736 6174 96 Wolt 3 3 3 3_Fr2 5 3 313 3 30072 466 wolt 1 25A 1 25 8 1 eee Lal ae Press any key to continue 7 Press any key to continue 8 The Fan Speed test starts and the Front Panel displa
113. anel you must select whether you would like to continue with the calibration by pressing the OK key Press Back or Cancel to exit the calibration Scan Calibration Pattern Press OK to proceed with Scan Calibration Pattern or BACK CANCEL to exit A message will appear advising you that you will need to load the Calibration Pattern in to the Printer Make sure that you rotate the printed pattern 90 clockwise and reload it printed side down so that the black arrows go into the printer first Press the OK key to continue Scan Calibration Pattern Press OK to proce d with the load of the printed pattern cut sheet as roll for scanning Rotate the sheet 90 degrees clockwise and press OK to proceed Only scan the Calibration Pattern in the Printer that was used to actually print it Using the Calibration in a different Printer could cause it to experience media advance problems After scanning the Calibration Pattern it should be discarded When Loading the Calibration Pattern use the Cutter blade on the Print Platen to align the edge of the sheet If you follow this advice you will prevent the cutter from cutting a section of the Calibration Pattern which could cause the Calibration to FAIL The Front Panel prompts you to select the paper category you used for the calibration Select the same paper that you used to pertorm the Paper HP Designjet T Series Service Manual Service Calibrations Advance Calibration p
114. are using best quality and glossy paper try turning on the Maximum detail option Reprint the job in case the problem has been solved 3 It the resolution of the image is greater than the printing resolution a loss of line quality may be seen You can find the Max Application Resolution option in the Windows driver dialog s Advanced tab under Document Options gt Printer Features Reprint the job in case the problem has been solved 4 Check the Printhead alignment status If the status is PENDING perform the Printhead Alignment Main Menu Image Quality Maintenance Align Printheads After alignment reprint the job 5 Check the paper advance calibration status If the status is PENDING perform the paper advance calibration Main Menu Image Quality Maintenance Paper Advance Calibration Calibrate Paper Advance Atter calibration reprint the job 6 Use Part 3 of the Image Quality Diagnostic Print check if there are a significant amount of nozzles out in the color that is actually causing the problem if see you a problem with the Black color in the customer print then only check the Black printhead in the Image Quality Diagnostic Print If there is a signiticant amount of nozzles out then replace the detective Printhead Problems with Stepped Lines Description of problem When you look at the image you have printed there are stepped lines in the borders of arrows and diagonal lines The lines should be straight with no steppi
115. art Number Starting Service Station Starting Scan Axis Moving SVS out of Sax Homing Scan Axis Moving Carriage out of SVS Homing Service Station HP Designjet T Series Service Manual Service Tests Diagnostics Starting ServicingServices Capping Service Station Uncapping Service Station Starting Primer Motor Starting AcumenSupplies Starting FluidManager Starting Primer Preparing SVS Reading Homing Sensor Zero Sensor initial value O Step 1 current zeroSensor value O OK It has been detected a change in zero sensor Homing Primer Motor Moving Primer Motor and getting traces Moving Primer Motor to home position 5 The Front Panel shows the test complete display for a few seconds Capping service station Press any Key to shutdown the system 7 Press any key to shut down the printer Aerosol Fan The Aerosol Fan diagnostic test is only available for printers that include an aerosol fan 1 In the Diagnostics menu scroll to 8 Service Station and press OK Po SeMsurs F Rewinder _ IDS wice Station IFO Information ei Unit Information mii EEROM Reset HP Designjet T Series Service Manual 3 45 Service Tests and Utilities 2 The Front Panel will show the 8 Service Station submenu 6 Service Station e Service Station e Primer Motor e Aerosol Fan 3 Inthe 8 Service Station submenu scroll to Aerosol Fan and press OK to start the test 4 The Aerosol
116. ation Cap the Service Station YES Press UP DOWN to change and OK to select 10 Select YES to cap the Service Station or NO to skip this test 11 The test continues and displays the following messages E Capping Service Station 12 The Front Panel displays the Service Station test results Service Station Moving SYS to Wiping bidir Moving SYS to Scrape Moving SYS to Snout Wipe Capping Service Station Service Station OK Press any key to finish 13 Press any key to finish the test HP Designjet T Series Service Manual 3 43 Service Tests and Utilities 3 44 14 The Front Panel shows the test complete display for a few seconds Seryice Station 15 The Front Panel prompts you to shutdown the printer to complete the test Seryice Station Press any key to shutdown the system 16 Press any key to shutdown the printer Primer Motor 1 In the Diagnostics menu scroll to 8 Service Station and press OK Fo SENSU s ra H6 Rewinder HY IDS vice Station eo T 0 Information ria Unit Information 11 EEROM Reset 2 The Front Panel will show the 8 Service Station submenu 6 Service Station e Service Station e Primer Motor Aerosol Fan 3 Inthe 8 Service Station submenu scroll to Primer Motor and press OK to start the test 4 The Primer Motor test starts and the front Panel displays the following messages Starting Horsburgh and Mips Starting Nvm Getting P
117. blem 1 Was the Cancel key pressed before all the data was received by the Printer If so send the file again and make sure that the Cancel key is not pressed 2 The I O Timeout setting may be too short Increase the I O timeout setting Setup Menu I O Setup lO Timeout and then send the file again 3 There might be a communications problem between the Printer and Computer Check the USB or network cable between the computer and the Printer to make sure it is not damaged and is connected correctly 4 Make sure that the software settings are correct for the current page size e g long axis prints 5 If network software is being used make sure it has not timed out Problems with Image Clipping This normally indicates a discrepancy between the actual printable area on the loaded paper and the printable area as understood by the software This kind of problem can often be identitied before printing by previewing the print E Check the actual printable area for the paper size that is loaded printable area paper size margins E Check what the software understands to be the printable area which it may call printing area or imageable area For example some software applications assume standard printable areas that are larger than those used in this Printer E f a custom page size with very narrow margins has been defined the printer may impose its own minimal margins clipping the image slightly Consider using a
118. bration profiles E Align Printheads is recommended only if the customer is experiencing problems with print quality where we know that proper printhead alignment will help i e graininess E Calibrate Color is recommended only if the customer is experiencing problems with color print quality where we know that proper color calibration with help i e color accuracy Y eee Bere beret a jro ey rr Par i ft a Deyi Tae Hp y Ga 6 i a B J eo aa 2 iG i i a i Eme ML be ae l eee ee ee ee a Print quality troubleshooling Banding Dealeri actions WOR ERE ear yA E ee AAA ee ee ees tl iil Epi Peet Set er ba et ee eeni ae pe cep Se H ppa af Gey ee i a A m aed Oe ee ee eed ot ag ee E yey E ao Clean pintada Toii Cr E MH E Seep cap oe Sees Pee P pEr irmi Pe ee i Fi a EF ORNE OA CC b p pF ee pia n B i 2 Cerit paper edrence Coto vi j id J Sen ernie Eeer e a Se a NE ye ee a 8 Be ee es Ear Glove fd Looe rire Troubleshooting for banding issues How to start the Print Quality Troubleshooting Wizard 1 From the HP Printer Utility under Windows go to the Support tab and HP Designjet T Series Service Manual 1 36 Print quality troubleshooting select Print quality troubleshooting CE B ih regen BP Deere Tilo h pE TE n Sah T ee se a Ni ii i a 7 SS beware em ee ls a bo os ee de ee 2 From the Embedded Web Server go to the Support tab then selec
119. cartridge information Printhead information 3 The printer moves the Carriage to the correct position to replace Printheads If the carriage is left in the removal position for more than three minutes without inserting or removing any printheads it will try to move back to its normal position at the right hand end 4 When the carriage has stopped moving the front panel display will prompt you to open the window and lift the carriage cover Open window to access print heads or press to quit 5 Open the window 6 Lift the Carriage cover to access the printheads EE 7 Litt the blue handle and pull the Printhead straight up out of the Carriage HP Designjet T Series Service Manual 1 46 Ink Supplies Troubleshooting 8 To insert a new printhead first remove the orange protective caps 9 The printhead is designed to prevent you from accidentally inserting it into the wrong slot Check that the colored label on the printhead matches the colored label of the carriage slot into which the printhead is to be inserted Insert the printhead slowly and vertically straight down It may be damaged it you insert it too fast or at an angle or if you rotate it as you insert it 10 Insert all other printheads that need to be installed and close the carriage cover 1 12 When all the printheads have been inserted correctly and accepted by the printer the printer will beep If the printer does not beep when you inser
120. ce wait until the Printer is completely dry before using it again Noisy Carriage Bushing To prevent noisy movement of the carriage remove aluminum or dust particles from the bushing at the back of the carriage and from the slider path along which the bushing moves Lubricate the slider path using the Lubrification Kit Q5669 60692 Belt Swelling To prevent new belts from swelling incorrectly keep them in their bags with desiccant until you need to install them Cleaning the Printer To maintain the Printer in good operating condition keep it free of dust accumulation ink and other contamination Cleaning intervals are determined by the Printer environment and by the types of Printer supplies used Carriage Assembly Lubrication To ensure correct operation of the printer you must lubricate the Carriage Assembly whenever any of the following are encountered if E The Front Panel displays Maintenance 1 required E There is excessive noise when moving the Carriage Assembly E A shut down of the carriage PWM error message appears E There are IQ vertical banding problems You should also lubricate the Carriage Assembly whenever you change any of the following service parts E The Carriage Rear Bushing E The Carriage Assembly E The Carriage Rail Oiler To lubricate the Carriage Assembly you will require the Lubrification Kit Q5669 60692 Use the following procedure to lubricate the Carriage Assembly 1 Use the
121. ce Manual 6 99 Removal and Installation 6 Loosen the T 10 uncapping screw sufficiently so you can manually move the Carriage Assembly in step 7 7 Push the Carriage Assembly into the print path 8 Unclip the Encoder Strip tensioner from the right hand end and remove the encoder strip straight out When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 6 100 HP Designjet T Series Service Manual Removal and Installation Encoder Strip Encoder Strip The Encoder Strip removal procedure for the T1100 T1100ps T610 and T1120 T 1120ps T620 printers is the same The part numbers are different For information about the T1100 T1100ps T610 Encoder Strip service parts see Scan Axis Assemblies T1100 T 1100ps T610 on page 5 21 For information about the T1120 T1120ps T620 Encoder Strip service parts see Scan Axis Assemblies T1120 T1120ps T620 on page 5 23 Removal Switch off the printer and remove the power cable 1 Remove the Right Cover on page 6 27 2 Remove the Left Cover on page 6 30 3 Remove the Encoder Strip spring and attachment nut See page 6 96 or 6 99 depending on the model 4 Use the spanner provided in the tool kit to remove the 13 mm locking nut that secures the Encoder Strip to the Encoder Strip Spring 5 Remo
122. ch tests and calibrations you need to perform Perform the Line Sensor Calibration as follows Make sure you load one of the following media into the Printer betore performing this calibration E HP Bond Paper E HP Glossy Media 4 14 HP Designjet T Series Service Manual Service Calibrations E HP Coated Paper E HP Productivity Photo Gloss E HP Heavyweight Coated Paper E HP Super Heavyweight Coated Paper HP Bright White Inkjet Paper 1 In the Service Calibrations submenu scroll to Line Sensor Calibration and press OK Service calibrations e Scan Axis calibration e Service Station P Paper advance calibration A Drop Detector calibration Line Sensor calibration Carriage PCA 2 When the following message appears on the front panel you must select whether you would like to continue with the calibration by pressing the OK key Press Back or Cancel to exit the calibration Line Sensor Calibration Press ENTER to proceed with Line Sensor calibration or BACK CANCEL to exit 3 If media is not loaded the following message appears on the front panel Load media in to the Printer and start again from step 1 Line Sensor Calibration Paper not detected Please Load media and start again Before continuing the Printer will check the following E The Media Lever is in the lowered position E The correct paper type is loaded check list on previous page E The correct paper size minimum paper si
123. ck that the loaded media is the same type as selected in the printer You can verity the media type selected through the Front Panel Main Menu Paper menu View loaded paper 3 If the customer is using low quality paper try recommending better quality paper preferably HP paper Printer performance can only be guaranteed by using recommended papers 4 Perform the Paper Advance Calibration using the same type of paper that will be used for the final print Main Menu Image Quality Maintenance Paper Advance Calibration Calibrate Paper Advance If there is white point banding in only one color band and the problem cannot be fixed using the Printhead recoveries in some cases using the force a drop detection option can fix this issue See Force Drop Detection on page 124 No Printing Defects Found in the Diagnostic Print It all the test patterns from the Diagnostic Print are correct and you still experience Image Quality problems you can use the following procedures to resolve the problem E Reading the Advanced Diagnostic Print Results E Printhead Alignment E Nozzle Health E Force Drop Detection The Advanced Diagnostic Prints What are the Advanced Diagnostic Prints Advanced Diagnostic Plot These tests provide more information of the IQ defects found in the Image Quality Service plot The Advanced Diagnostic Plot is divided into the following parts E Visual Media Advanced Diagnostic Used to check advance reliability E Prin
124. cognized by the Printer When pressing a button be sure to press it deliberately and all the way to the bottom of its travel Scan Axis Calibration The purpose of this Service Calibration is to carry out a PWM check calibrate the intensity of the Line Sensor and calibrate the Line Sensor position to the Black Printhead This calibration is integrated into the Scan Axis diagnostic test See 1 Scan Axis on page 3 6 Perform the Scan Axis Calibration as follows Make sure you load one of the following media into the Printer before performing this calibration E HP Bond Paper 4 4 HP Designjet T Series Service Manual Service Calibrations HP Glossy Media HP Coated Paper HP Productivity Photo Gloss HP Heavyweight Coated Paper HP Super Heavyweight Coated Paper E HP Bright White Inkjet Paper 1 In the Service Calibrations submenu scroll to Scan Axis Calibration and press Enter Scan Axis calibration Service Station Paper advance calibration Drop Detector calibration Line Sensor calibration Carriage PCA 2 To calibrate the Scan Axis run the Scan Axis diagnostic test See 1 Scan Axis on page 3 6 Scan Axis Calibration Please go to the Diagnostics Scan Axis Press any key to finish Service Station Calibration The purpose of this Service Calibration is to calibrate the Service Station in relation to the Carriage Assembly This calibration is integrated into the Scan Axis di
125. ction 1 2 3 This sections describes each of the system error codes and warnings that could be encountered while using the printer and provides the remedial action required to solve the problem detected Only replace one component at a time and check if the error has gone before replacing another component Using this procedure you will be able to determine exactly which component failed 01 0 YZ Communication with Main PCA failed Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer Remove the formatter and reinsert it again Ensure that it connects properly in the Main PCA connector E If the System Error continues replace the Main PCA See Electronics Module Main PCA and PSU T1100 T1100ps T610 on page 6 206 or Electronics Module Main PCA amp PSU T1120 T1120ps T620 on page 6 209 E f the System Error continues replace the Formatter See Formatter on page 6 204 01 1 YZ T1100 T1100ps T610 ONLY Error in the Print Mech PCA Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer If the System Error continues replace the Main PCA See Electronics Module Main PCA and PSU T1100 T1100ps T610 on page 6 206 or Electronics Module Main PCA amp PSU T1120 T1120ps T620 on page 6 209 If the System Error continues r
126. d Time The Printer will display the current Serial Number and the new Serial Number of the Printer Use the Up and Down keys to go through the digits and press the OK key to go to the next digit You can press the Cancel key at any time to exit the utility without making any changes Set Serial Number Current unit SN MYECJAC GK Mew unit SN MAC IECRGE Use UP DOWN to scroll BACK to move cursor OK to confirm or CANCEL to exit If the Serial Number or the Part Number cannot be read the Front Panel will display the relevant System Error code See System Error Codes Full Descriptions on page 2 10 Once the new Serial Number has been entered the Front Panel will display the Serial Number and Model Number of the Printer Press the OK to contirm the Serial Number or the Cancel key to exit the utility without making any changes or the Back key to modify again If the utility exits correctly OK will be displayed on the Front Panel When the printer is restarted after a serial number change an NVM setting sequence is initiated to synchronize the serial number stored in the backup memory 4 Reset Life Counters 1 The purpose of this Service Utility is to reset the internal life counters There are two submenus that allow you to E Reset ALL the counters related to a Preventive Maintenance Kit PMK E Reset only the counters related to a specific replaced part ALWAYS RESET THE LIFE COUNTER OF A CORRESPONDING PART AFT
127. d onto two screens Use the Arrow keys to display the second results screen Yisual Alignment Print Press UP DOWN to show next Window and OF to exit Press UP DOWN to show next Window and OF to exit Any printhead with a test result containing a number that is not within the 3 dot row range is misaligned The mK printhead is used as a reference to test the other printheads If all the printheads fail the Pen to Pen tests it is the mK printhead that is misaligned Reading the Printhead Alignment Diagnostic Print The following plot shows correct printhead alignment for all patterns The clear band is in the center of the pattern PF NN The following plot shows bad printhead alignment The clear band is not in the center of the pattern TT p A UTE TT AAA SA Ki Wil ANE PTE L d E ee l Corrective Action E f any of the printheads are misaligned beyond the 3 dot row range perform a Printhead Alignment See Aligning Printheads on page 1 48 E Ifa Printhead Alignment does not correct the problem replace the bad printhead If the customer is using non HP media and after the Image Quality Test you still have the same image quality problems change to genuine HP media and repeat the Image Quality Test The best alignment calibration is obtained using HP Photo Paper HP Designjet T Series Service Manual 1 22 Print quality troubleshooting Nozzle Health The print c
128. diff got Fw Bw 12205 00 11461 08 Press OK to confirm or BACK CANCEL to reject 29 Ifthe results are correct press OK to accept the results If the results are not correct press Back Canceel to reject the results and FAIL the test 30 The printer then continues the Scan Axis test As the test executes the Front Panel displays the following messages Moving PRS to High 31 The Front Panel displays the PRS position check results PRS Position HIGH Press any key to finish 32 Press any key finish 33 The Front Panel shows the test complete display for a few seconds Scan Axis 34 The Front Panel prompts you to shutdown the printer to complete the test Scan Axis Press any key to shutdown the system HP Designjet T Series Service Manual 3 15 Service Tests and Utilities 3 16 35 Press any key to shutdown the printer Cutter test The Cutter is designed to cut roll media after printing for the size of sheet detined Before executing this test you should run the Scan Axis Media Drive and Carriage tests to ensure that each of these subsystems is operating correctly Perform the Scan Axis Cutter test as follows In the Diagnostics menu scroll to 1 Sean Axis and press OK scan Axis Paper Drive Electronics Module Carriage Assembly Sensors Rewinder The Front Panel will show the 1 Scan Axis submenu e Star Wheel Lifter PRS e Scan Axis e Cutter In
129. dow sensor PASS Please close the cover Press any key to continue Close the Window Press any key to continue The Media Lever sensor test starts and the Front Panel prompts you to raise the Media Lever Sensors Test of Pinchwheel Lever sensor Please raise the lever Press any key to continue Raise the Media Lever Press any key to continue The Media Lever sensor test continues and the Front Panel prompts you to lower the Media Lever eNsoOrs Test of Pinchwheel Lever sensor PASS Please lower the lever Press any key to continue Lower the Media Lever Press any key to continue HP Designjet T Series Service Manual Service Tests Diagnostics 17 The Media sensor test starts and the Front Panel prompts you load media Sensors Test of Paper sensor 18 19 20 21 22 23 24 25 26 27 28 29 Please raise the lever Press any key to continue Raise the Media Lever Load media Lower the Media Lever Press any key to continue The Media sensor test continues and the Front Panel prompts to remove media Sensors Test of Paper sensor PASS Please raise the Lever remove the paper and Lower the lewer Press any key to continue Raise the Media Lever Unload the media Lower the Media Lever Press any key to continue The Front Panel shows the test complete display for a few seconds Sensors The Front Panel prompts you to s
130. dows It s the System Error that the printer will display when an unknown exception occurs that cannot be pointed to by any specific subsystem of the printer Since this is a generic error there can be multiple causes behind it This document will cover the most probable causes behind a system error 79 04 and will recommend the most efficient troubleshooting steps to resolve customer issues One important point to mention is that although 79 04 system errors can be caused by a hardware malfunction the vast majority of 79 04 system errors are pure software or firmware issues In these cases the issue can only be solved by determining the root cause and implementing a solution The solution can usually be applied by either correctly contiguring a selection updating the printer s firmware software that is being used or by fixing an error in the code Since the 79 04 system error is a generic error the number of possible causes behind it is large The majority can be grouped however into the following groups Job related SE79 04 A specitic print job that is not correctly formatted for the printer or that is not correctly processed by it can trigger a 79 04 system error The incorrect format or processing can come from two sources E Incorrect commands in the job itself For example a PS job with some commands that do not have the correct PS format E Issues applying to the settings in the job Possible symptoms 79 04 caused by
131. e Arrow keys to scroll through the Service Utilities selections and press the OK key to begin a specific operation when the required Service Utility is highlighted e Turn Drive Roller Purge Tubes Diagnostic Print Set Date and Time e Enable Disable Firewall Reset User life counters ma F M i M aTa A Tmi fi ula If the printer is not used for 135 seconds the printer exits out of the Service Utilities Menu and you must repeat the above steps to enter Service Utilities again In some cases a quick press of a button may not be recognized by the Printer When pressing a button be sure to press it deliberately and all the way to the bottom of its travel 1 Turn Drive Roller The purpose of this Service Utility is to rotate the Drive Roller and the Overdrive in order to clean them REMOVE THE MEDIA BEFORE PERFORMING THIS OPERATION BEFORE PERFORMING THIS SERVICE UTILITY OPEN THE WINDOW WITH A FOLDED PIECE OF PAPER ACTIVATE THE MECHANICAL WINDOW SENSOR THE PAPER SHOULD FIT TIGHTLY SO IT DOES NOT FALL INTO THE SENSOR Perform the Turn Drive Roller utility as follows HP Designjet T Series Service Manual 3 57 Service Tests and Utilities 1 2 Purge Tubes 3 58 In the Service Utilities submenu scroll to Turn Drive Roller and press OK e Turn Drive Roller Furge Tubes Diagnostic Print e Set Date and Time e Enable Disable Firewall Reset User life counters faa F M a oe A Tm fi lia
132. e Arrow keys to scroll to your paper category and press the OK key to continue the media load process Select paper category H Bond and Coated Paper Photo Faper Film A Technical Paper Backlit material Self Adhesive material The Front Panel prompts you to select the specitic type of paper you will use for the calibration Use the Arrow keys to scroll through the menu and the OK key to select your paper type D HP Universal HG Photo HP Universal SG Photo C Photo SG Satin Paper C Photo Matte Paper The Front Panel prompts you to load the paper Make sure you load the paper that corresponds to your paper type selection Feed roll in rear slot Once the media is loaded into the Printer the following message will appear on the Front Panel If roll media has been used instead of cut sheet media you will need to unroll a minimum of 1 meter of media in order to prevent any back tension which could cause any media advance problems Press the OK key to continue WARNING If roll is used unroll 1 meter of media to avoid back tension Press OK to proce d with pattern printing The Printer advances and reels in about a meter of paper The Front Panel displays the following messages E Advancing Paper E Printing Pattern HP Designjet T Series Service Manual Service Calibrations 12 The Printer will start to print the Paper Advance Calibration Pattern This could take several minutes during which the
133. e Printer Perform the Set Date and Time utility as follows 1 In the Service Utilities submenu scroll to Set Date and Time and press OK Service utilities Turn Drive Roller Purge Tubes A Diagnostic Print Set Date and Time Enable Disable Firewall Reset User life counters ELG dine Cio a mc ae 2 The Printer will display the current time and the new time Use the Up and Down keys to go through the digits and press the OK key to go to the next HP Designjet T Series Service Manual 3 63 Service Tests and Utilities digit You can press the Cancel key at any time to exit the utility without making any changes Set Date and Time Current Date Wed Jan 17 28 12 27 2007 New Date and Time settings eM 12 27 01 17 2007 Use UP DOWN to scroll BACK to move cursor OK to confirm or CANCEL to exit 3 Once the new time has been entered the Front Panel prompts you to confirm the new date and time Set Date and Time New Date and Time 13 08 27 1 1 7 20e7 Fress OK to confirm BACK to modify or CANCEL to exit 4 Press OK to confirm the new date and time Press BACK to modify the new date and time Press CANCEL to exit without changing the date and time 5 Once the new time has been confirmed the Front Panel will prompt you to shut down the printer set Date and Time Now the printer must be completely switched off Use the front power button Use the back switch if the it after exiting
134. e Right Cover on page 6 27 2 Remove the Left Cover on page 6 30 3 Remove the Front Panel on page 6 47 4 Remove the Top Cover on page 6 50 5 Remove the Window Position Sensor on page 6 53 6 Remove the Ink Supply Tubes from the Ink Supply Tubes Support Rail 7 Remove the T 15 screws that secure the rear attachment brackets to the Ink Supply Tubes Support Rail HP Designjet T Series Service Manual 6 55 Removal and Installation 8 Remove the T 15 screw that attaches the right bonding cable 9 Remove the T 15 screw that attaches the left bonding cable 10 Remove the T 15 screw that attaches the left bonding cable 6 56 HP Designjet T Series Service Manual Removal and Installation Ink Supply Tubes Support Rail T1 100 T1 100ps T610 11 Remove two T 15 screws that secure the Ink Supply Tubes Support Rail to the right Top Cover Support 12 Remove two T 15 screws that secure the Ink Supply Tubes Support Rail to the left Top Cover Support 13 Slide the rail to the enough to disengage it from the attachment lug HP Designjet T Series Service Manual 6 57 Removal and Installation 14 Caretully slide the Ink Supply Tubes Support Rail to the left until the right end is clear of the right Top Cover Support 15 Remove the Ink Supply Tubes Support Rail from the printer 16 When you reinstall the Ink Supply Tubes Support Rail make sure that the attachment lug is correctly engaged
135. e guidelines for this type of error See Data related SE79 04 on page 2 36 8 Try to identity the combination of settings or actions that led to the system error and try to reach the same result with a different combination Escalate the issue to fix the original problem 9 If none of the previous steps could solve the issue escalate it with the following information E Unit information S N P N accessories E Conditions where the problem occurs and conditions prior to the first occurrence of the problem E The result of the previous 8 steps E The printer information pages either printed and faxed or obtained through the Embedded Web Server E The System Error detailed information it can be obtained by pressing CANCEL Down E The printer logs In order to obtain the printer logs check the corresponding appendix See Appendix C Obtaining printer logs on page 2 48 Front panel displays 79 04 while printing While printing a single job The error happens after a single job is sent It s easy to identify which job that has produced the error since every time that this same job is sent the error is replicated 1 Reboot the printer twice after the first reboot the printer will show the 79 04 system error again since the printer will attempt to reprint the last job in the queue which is the one that caused the issue 2 Ifyou are using an HP driver update the driver to the latest version 3 Upgrade the printer s firmwa
136. e latest Firmware version If not update the Firmware to the latest version If the System Error continues replace the Formatter See Formatter on page 6 204 If the System Error continues replace the Main PCA See Starwheel Assembly on page 6 214 68 YZ Loss of engine counters tracking Try the following E Reboot the printer The printer will continue to function correctly but the life counters will not continue counting until you restart the printer 71 YZ Out of memory failure Try the following E t is recommended that you remove any unnecessary files from the Hard Disk Drive of the Formatter using the Web Server 71 04 T610 printers ONLY Out of memory failure The total RAM memory available in the HP Designjet T610 Printer Series is 128MB If the amount of memory that the printer needs to process the file is more than 128MB the printer will display the system error 71 04 System Error Out of Memory message This quantity of memory for processing the file is know as the Display list memory E The display list memory is the amount of memory that the printer needs to process a file this should not be confused with the file size of the print job which is different The size of the display list memory depends on several variables such as the resolution file size and file content HP Designjet T Series Service Manual 2 24 System Error Codes E The display list is not visible to the user
137. e obtained by pressing CANCEL Down E Information on the workflow Operating System Application Driver Settings in the driver and the application Settings in the printer Connection method and settings E Exact information on how to replicate the environment that reproduces the issue including some example files that can be sent to the printer to replicate a heavy load environment These files will need to be Original application files if the issue happens printing from an application through our driver Print to files if the issue happens printing from a 3rd party application E Information on the approximate frequency of the occurrence of the issue E The printer logs In order to obtain the printer logs check the following appendix HP Designjet T Series Service Manual 2 46 Appendix B Updating firmware in diagnostics boot mode Appendix B Updating firmware in diagnostics boot mode It the printer is displaying a 79 04 system error during start up and will not start normally then services like the Embedded Web Server will not work Since the EWS is necessary to update the printer s firmware using the FMW tile which is provided in Designjet Online when the printer does not boot an alternative method to update the firmware will be required The following method can be used to upgrade the firmware of a printer that will not boot normally 1 Start the printer in Diagnostics Boot mode See
138. e page in the Removal and Installation Chapter HP Designjet T Series Service Manual 5 17 Parts and Diagrams h Figure 5 8 Carriage Assembly T1100 T1100ps T610 5 18 HP Designjet T Series Service Manual Parts and Diagrams Carriage Assembly T1120 T1120ps T620 Carriage Assembly T1120 T1120ps T620 CK837 67028 Carriage PCA Covers 6 127 CK837 67001 Carriage Latch 6 167 Carriage Cover includes Carriage CK837 67002 Laich T1120 6 167 3 CK837 67005 Carriage PCA eee AU eas 5 9668347004 sa Q5669 60687 Carriage Rear Bushing 6 137 CK837 67027 Carriage Assembly 6 127 a Keiers to the page in the Removal and Installation Chapter HP Designjet T Series Service Manual 5 19 Parts and Diagrams Figure 5 9 Carriage Assembly T1120 T1120ps T620 5 20 HP Designjet T Series Service Manual Parts and Diagrams Scan Axis Assemblies T1 100 T1 100ps T610 Scan Axis Assemblies T1100 T1100ps T610 EEE 60195 24 i A 7 668340195 k Supply Tubes o F 60059 44 B EZ Q6683 60242 Encoder Strip including Encoder 24 inc Strip Spring and Nut Er Q6687 60094 60094 m e r esar 60673 24 i aind EAA TOOps 24 eh Q6659 60175 2 fe 600 4 Trailing Cable and Carriage PCA Q6659 67015 67015 Cover es 60679 Encoder Strip including Encoder Q6659 60176 re Spring and Nut 50 units HP Designjet T Series Service Manual 5 21 Parts and Diagrams Figure 5 10 Scan Axis As
139. each Setup Printhead do NOT contain ink then you may need to repeat the Prime Tubes process from the beginning Are all setup printhead windows filled with ink C ALL with some ink If all the Setup Printheads contain ink select All with some ink If one or more of the Setup Printheads do NOT contain ink select Not all with ink The Front Panel then prompts you to remove the Setup Printheads and install the Printheads Lift printhead cover Install missing printheads Remove ALL the Setup Printheads from the Carriage and install the previously removed Printheads Once ALL the Printheads are installed the Front Panel will instruct you to close the Carriage cover and close the Window The Printer will now perform the Printhead Alignment and Front Panel will prompt you to continue with the Printhead Alignment select Align now and press the OK key Once the Printhead Alignment is completed the following message will be displayed on the Front Panel Press the OK key to continue Printhead alignment Calibration successfully completed Press ok to continue HP Designjet T Series Service Manual 3 Set SN Service Utilities The purpose of this Service Utility is to set the Serial Number of the Printer Perform the Set SN utility as follows In the Service Utilities submenu scroll to Set SN and press OK Turn Drive Roller Purge Tubes Hl Reset Life counters Diagnostic Print Set Date an
140. ed for the Printer refer to the User s Guide for more information 5 Check that the ink cartridges and printheads have not exceeded their expiration dates Horizontal Lines Across the Image Banding Description of problem When you look at the image you have printed there are horizontal lines across the image Shown below is an example of what you might see if you have this problem HP Designjet T Series Service Manual 1 24 Print quality troubleshooting Corrective Action 1 Check that the paper type loaded corresponds to the paper type selected in the front panel and in the software You can verify the paper type selected through the Front Panel Main Menu Paper menu View loaded paper 2 Check that the appropriate print quality settings are being used refer to the User s Guide for more information and reprint the image In some cases print quality problems can be resolved by selecting a higher print quality level 3 Print the Service Image Diagnostics Print and clean any printheads that need cleaning Reprint the job in case the problem has been solved 4 Check the paper advance calibration status If the status is PENDING perform the Paper Advance Calibration Main Menu Image Quality Maintenance Paper Advance Calibration Calibrate Paper Advance 5 After calibration reprint the job 6 Watch the printer carriage when it reaches the end of its swath If there is an unexpected delay this may cause the bandin
141. ed of that particular color The amount of ink remaining in the Ink Cartridge depends on it s capacity but there is approximately 14 of ink available for the user Very Low When the Very Low message is displayed overnight printing should not be attempted Changing the Ink Cartridge is strongly recommended to prevent the printer trom stopping halfway through a print There is approximately 8 of ink available for the user Empty The printer will stop and will not be able to continue printing until a new Ink Cartridge has been installed If this occurs halfway through printing an HP Designjet T Series Service Manual 1 49 Reseat Replace Altered Expired OK Missing Test printhead separately Reseat Replace Replacement incomplete Remove Ink Supplies Troubleshooting image you should check the quality of this image as stopping mid plot can affect the print It would be recommended to reprint the image once a new Ink Cartridge has been installed You are recommended to remove the Ink Cartridge and then reinsert it You are recommended to replace the Ink Cartridge with a new Ink Cartridge There is something unexpected about the Ink Cartridge s status The Ink Cartridge has passed the expiration date Printhead status messages The Printhead is operating correctly and no action is required There is no Printhead present or it is not properly connected to the printer You are recommended to test the
142. eft Cover top rear accessible under the Formatter Housing 6 32 HP Designjet T Series Service Manual Removal and Installation Left Cover 11 Remove one T 15 screw that secures the Left Cover bottom rear 12 Remove one T 15 screw that secures the Left Cover bottom rear 13 Remove one T 15 screw that secures the Left Cover bottom front accessible under Front Cover HP Designjet T Series Service Manual 6 33 Removal and Installation 6 34 14 Remove one T 15 screw that secures the Left Cover top front accessible Ink Cartridge Door 15 Unclip the Left Trim 16 Remove the Left Cover from the Printer HP Designjet T Series Service Manual Removal and Installation Rear Tray Rear Tray Removal Switch off the printer and remove the power cable 1 Open the Rear Tray to approximately 10 degrees less than the fully open position 2 Lift the Rear Tray vertically enough approximately 20 mm to allow the rear attachment lugs to be out of the locked position 3 Caretully slide the Rear Tray out of the printer HP Designjet T Series Service Manual 6 35 Removal and Installation Rear Cover Removal Switch off the printer and remove the power cable Remove the Rear Tray on page 6 35 Remove the Right Cover on page 6 27 Remove the Left Cover on page 6 30 Remove ten T 15 screws that secure the Rear Cover to the printer RON gt 5 Remove the Rear Cove
143. em System Error Codes are displayed directly on the front panel but can also be seen on the Information Page and have been defined in the format XX YZ or XX n Z m E XX Can be a malfunctioning subsystem or process 2 digits E n Subsystem or process Index if more than one used in the product Optional e g Identify the Ink Supply color and number m Y Who should perform the action 1 digit O for User orl for Service Engineer E Z Action to perform 1 digit System Error Code Table The following table explains the XX part of the System Error Code or Warning Main PCA Electrons module Add on Electronics module printmech Print Mech PCA Carriage PCA Formatter Formatter Front panel Trailing cable 21 1 Service station 22 0 Bongo error BPSO ISS Left Bongo error BPS1 ISSLeft 24 Tube assembly IDS a iti eer a arta a pra or 2 7 HP Designjet T Series Service Manual System Error Code Brief Descriptions 42 Scan axis motor Fersol fan 47 Star wheel motor PPS mechanism 51 Window Sensor 52 Drop detector 5s 6l Error job 62 PC Interface 63 Input output through LAN card 64 Input output through USB port Input output not known what port Oo Input output not known what port Input output through FireWire port Loss of engine counters tracking 71 Memory management 72 Firmware error 73 Servo 74 Firmware upgrade Media Profile Update 75 1 Preventive Mainte
144. embly 3 5669 60715 Foot Assembly includes 1 bi 1 support tube A Q5669 60719 Bin Assembly Includes the Bin 610 Q6659 60237 Support Al o Q5659 67063 es basket brackets and basket Q5669 60717 24 inch h aa AIAR X Brace Assembly a N A Q5659 60730 dealer a Kit Includes screws for All egs Assembly a Keiers to the page in the Removal and Installation Chapter 5 2 HP Designjet T Series Service Manual Parts and Diagrams Printer Support Figure 5 1 Printer Support HP Designjet T Series Service Manual 5 3 Parts and Diagrams Center Covers Front Q6683 60208 60208 T1100 T1100ps Q6687 60066 T1120 44 inch 671 6002 ne 24 inch ee bie 60198 All eo ss Top Cover eo 44 EARI 6 50 cacti 60025 T620 Q5669 60675 Window Position Sensor 6 53 CK837 67025 4 eee 60155 24 aor Z Media Output Assembly aes 60089 44 aor Z E 60201 24 EE 8 Ea Q6683 60719 Front Panel CK837 67006 a Keiers to the page in the Removal and Installation Chapter 96683 60201 Cover 5 4 HP Designjet T Series Service Manual Parts and Diagrams Center Covers Front Figure 5 2 Center Covers Front HP Designjet T Series Service Manual 5 5 Parts and Diagrams Center Covers Rear 1 Q6683 60207 Rear Tray Supports Q6683 67802 24 inch 2 Seer Clean Out Assembly All Q6687 67801 67801 oema 67801 Out Of Paper Sensor T 60194 aaa 60058 44 i
145. ements used to check the encoder The Front Panel displays the encoder check results Scan Axis Max Min mov 526 464 ey Avg mov 493 eu There is encoder feedback Encoder seems to be 0K Press any key to continue Press any key to continue The printer then continues the Scan Axis test As the test executes the Front Panel displays the following messages Starting Carriage Motor On Off Carriage Motor Doing a right side bump Doing a lett side bump Exit bump position Checking scan axis length The Printer checks the complete length of the Scan Axis and displays the result on the Front Panel For a 24 inch printer the length must be between 1073586 and 1076610 For a 44 inch printer the length must be between 689586 and 692610 Checking scan axis Length Total length 1075608 Press any key to continue HP Designjet T Series Service Manual Service Tests Diagnostics 26 Press any key to continue 27 The printer then continues with the PWM test As the test executes the Front Panel displays the following messages E Starting PosMotor E Starting Scan Axis E Doing PWM test 28 The Front Panel displays the PWM check results and prompts you to confirm or reject the test results E The PWM Average should be between O and 18750 E The PWM min ditt limit should be greater than or equal to 40 Scan Axis PWM Average got Fw Bw 10626 332 10772 458 Pah min diff Limit 4 PWM min
146. en the printer is drying for example can produce an error whereas the same action when the printer is doing something else or is idle may not produce any errors Solutions and workarounds The recommended action plan in these cases is to identify the previous steps that caused the error and Escalate the issue to the GBU through the GCC in order to have it corrected in the firmware Recommend to the customer that they try to avoid the same steps to prevent the issue If the conditions that cause the error are in the customer s regular worktlow try to identity a different way of achieving the same result out of the printer Random SE79 04 Concurrence issues and memory leaks Some 79 04 errors happen randomly when the printer is being heavily used However it s impossible to find a single set of conditions that reproduce the problem It just happens from time to time without a defined pattern These random 79 04 can have two different types of root causes E Memory leaks before a program is executed it allocates the memory it HP Designjet T Series Service Manual Appendix A How to troubleshoot SE 79 04 will need Atter the execution is complete the allocated memory is freed to be used by other programs If the allocation or the release of the memory are not properly programmed every time the program is executed some memory will be incorrectly labeled either as used or as tree This is known as a memory leak When a
147. enerated When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual 6 49 Removal and Installation Top Cover Removal Switch off the printer and remove the power cable Remove the Window on page 6 12 Remove the Right Cover on page 6 27 Remove the Left Cover on page 6 30 Remove the Rear Tray on page 6 35 Remove the Rear Cover on page 6 36 Remove the Front Panel on page 6 47 Remove the four T 15 top screws that secure the Top Cover to the printer NOU PWN om 8 Remove the front T 15 screw that secures the front left side of the Top Cover to the printer 6 50 HP Designjet T Series Service Manual Removal and Installation Top Cover qe 9 Carefully pull the attachment clip forward until you can lift the bottom left corner of the Top Cover approximately 10 mm 10 Remove the front T 15 screw that secures the front left side of the Top Cover to the printer 11 Carefully pull the attachment clip forward until you can lift the bottom left corner of the Top Cover approximately 10 mm HP Designjet T Series Service Manual 6 5 Removal and Installation 12 Litt the Top Cover of the printer sufficiently to gain access to the Front Panel ribbon cable 13 Unroute the Front Panel
148. eplace the Formatter See Formatter on page 6 204 01 2 YZ Failure reading acumen chip of an Ink Supply Station Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer Check that there are not two cartridges of the same color installed Perform the Ink Delivery System diagnostic test See 7 Ink Delivery System IDS on page 3 35 HP Designjet T Series Service Manual 2 10 System Error Codes If the test finds that the ink supply is detective replace it If the test does not find any errors remove all the ink supplies from the ISS and reboot the printer 4 Install the ink cardtriges with the printer booted in normal mode Use the replacement option available from the Front Panel and install the cartridges one by one If an error appears after installing a supply the last supply you installed is defective Replace it 5 Ifthe System Error continues replace the Main PCA See Electronics Module Main PCA and PSU T1100 T1100ps T610 on page 6 206 or Electronics Module Main PCA amp PSU T1120 T1120ps T620 on page 6 209 6 Ifthe System Error continues replace the Left Ink Supply Station See Left Ink Supply Station on page 6 187 System Error 02 1 YZ Problem Problem with the Carriage PCA Description Corrective Action Try the following 1 Switch the Power OFF from the back of the Printer and disconnect the
149. eplacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual 6 247 Removal and Installation Right Starwheel Lifter T1 120 T1 120ps T620 Right Starwheel Lifter T1120 T1120ps T620 Removal Switch off the printer and remove the power cable 1 Remove the Front Cover on page 6 16 2 Remove the Right Cover on page 6 27 3 Remove the Starwheel Assembly on page 6 214 4 Loosen the T 10 uncapping screw sufficiently so you can manually move the Carriage Assembly in step 8 5 Push the Carriage Assembly into the print path 6 Remove one T 15 screw that secures the Drop Detector to the Service Station HP Designjet T Series Service Manual 6 248 Removal and Installation Right Starwheel Lifter T1 120 T1120ps T620 7 Rotate the Drop Detector vertically to gain access to the two screws that secure the Right Starwheel Lifter 8 Remove two T 8 screws that secure the Right Starwheel Lifter to the printer 9 Rotate the Right Starwheel Lifter sufficiently to disengage the right attachment lug HP Designjet T Series Service Manual 6 249 Removal and Installation Right Starwheel Lifter T1 120 T1 120ps T620 10 Tilt the Right Starwheel Lifter sufficiently to disengage the left attachment lug 11 Remove the Right Starwhee
150. er HP Designjet T Series Service Manual 3 39 Service Tests and Utilities 2 The Front Panel will show the 7 IDS submenu 7 LOS e Ink Delivery System P Check Ink Supplies e Check Leakage 3 Inthe IDS submenu scroll to Check Leakage and press OK to start the test 4 The Ink Delivery System test starts and the front Panel prompts you to remove all the Ink Supplies Check Leakage remove all the Ink Press any key to proceed Y 5 The Check Leakage test starts and the Front Panel displays the following messages Starting Horsburgh and Mips Starting Nym Starting Tubes Reading Tubes status Getting Part Number Starting ISS Motors Starting DDI Sensors Moving Bongos down 6 While the printer moves the Bongos down the Front Panel displays the following message Check Leakage Moving Bongos down Bongo down If someone remains UP touch it with finger to help it to move DOWN 7 Ifa Bongo remains in the UP position use your finger to help push it down The test continues and displays the following messages E Reading DDI Sensors E Moving Bongos up E Reading DDI Sensors E Moving Bongos down 3 40 HP Designjet T Series Service Manual Service Tests Diagnostics 8 The front Panel prompts you to insert all the Ink Supplies insert all the Ink Press any key to proceed Y 9 Install all the Ink Cartridges 10 Press OK to continue 11 The test continues and displays
151. er at the same time 24 Close and lock the Carriage Cover 6 120 HP Designjet T Series Service Manual Removal and Installation Carriage Assembly T1 100 T1 100ps T610 25 Loosen the T 10 uncapping screw sufficiently so you can manually move the Carriage Assembly in step 26 If you are uncapping a 44 inch printer you will need to use either a very long or very short screwdriver to loosen the uncapping screw In this way you can loosen the screw and pass the rewinder motor 26 Push the Carriage Assembly into the print path J 27 Unclip the small cover of the Carriage PCA HP Designjet T Series Service Manual 6 121 Removal and Installation 28 Remove the small cover of the Carriage PCA 29 Disconnect the two ribbon cables of the Trailing Cables from the Carriage PCA 30 Straighten the two ribbon cables of the Trailing Cables and remove the Ferrite Core 6 122 HP Designjet T Series Service Manual Removal and Installation Carriage Assembly T1 100 T1100ps T610 31 Slide the Trailing Cables out of the attachment clips of the Carriage Assembly 32 Loosen the T 15 screw Belt Tensioner to the printer to remove the tension from the belt 33 Leave the Belt Tensioner in place with all the tension removed HP Designjet T Series Service Manual 6 123 Removal and Installation 34 Remove the Belt Assembly from the Scan Axis Motor drive wheel 35 Remove the two
152. erdrive in order to clean them Purge Tubes See 2 Purge Tubes on page 3 58 The purpose of this Service Utility is to Prime the Tubes when the Ink Tubes are NOT new and they need to be re primed or automatic priming was not completed correctly Set SN See 3 Set SN on page 3 61 The purpose of this Service Utility is to set the Serial Number of the Printer Reset Life Counters See 4 Reset Life Counters on page 3 61 The purpose of this Service Utility is to reset the internal life counters There are two submenus that allow you to E Reset ALL the counters related to a Preventive Maintenance Kit PMK E Reset only the counters related to a specific replaced part Diagnostic Print See 5 Diagnostic Print on page 3 63 The purpose of this Service Utility is to print the Diagnostic Print in order to identity image quality problems Set Time and Date See 6 Set Date and Time on page 3 63 The purpose of this Service Utility is to set the Real Time Clock RTC of the Printer Enable Disable Firewall See 7 Enable Disable Firewall on page 3 64 The purpose of this Service Utility is to enable or disable the built in system firewall Reset User life Counters See 8 Reset User Life Counters on page 3 65 The purpose of this Service Utility is to reset the internal life counter for the Cutter Assembly Enable Disable Sleep Mode See 9 Enable Disable Sleep Mode on page 3 66 Disk Wipe DoD 5220 220M See 10 Disk Wipe DoD 5220 22
153. error codes see System Error Codes Full Descriptions on page 2 10 4 The printer then starts the PRS test to verify the subsystem As the test executes the Front Panel displays the following messages E Starting Horsburgh and Mips Starting Nvm Starting Tests PWM Starting Tests GPIO Booting up the Carriage Starting SVS Motor Starting Carriage Motor Starting PpesMotor Starting Service Station Starting Scan Axis Moving SVS out of Scan Homing Scan Axis Move Carriage out of SVS Starting Servicing Services Reading PRS Position Moving PRS position to HIGH Moving PRS position to LOW Moving PRS position to HIGH Moving PRS position to HIGH Moving PRS position to LOW Moving PRS position to LOW Moving PRS position to HIGH 3 10 HP Designjet T Series Service Manual Service Tests Diagnostics 5 Once the test has completed the Front Panel prompts you to confirm that the PRS moved PRS seems to be OE Did the PRS move 7 Press UK to accept or BACK CANCEL to reject 6 It the PRS moved press OK to accept the results If the PRS did not move press Back or Cancel to reject the results and exit the test 7 The Front Panel shows the test complete display for a few seconds Press any key to shutdown the system 9 Press any key to shutdown the printer Scan Axis Test The Scan Axis subsystem is designed to move the carriage assembly between two predetermined horizontal positions with re
154. ervice Station 10 Remove the Encoder Strip spring and nut T1120 T1120ps T620 on page 6 99 11 If necessary manually move the Carriage Assembly fully right into the docking station PON gt gt gt Use a short torx screwdriver to remove the two 1 10 screws that secure the center attachment of the Trailing Cables 6 116 HP Designjet T Series Service Manual Removal and Installation Carriage Assembly T1 100 T1100ps T61 0 13 Unclip the center attachment of the Trailing Cables 14 Remove the Trailing Cables from the two double sided adhesive pads that attach it to the printer 15 Disconnect the two ribbon cables of the Trailing Cables from the Electronics Module HP Designjet T Series Service Manual 6 117 Removal and Installation 16 Unroute the Trailing Cables 17 Unclip and remove the cable clamp of the Trailing Cables 18 Unclip and remove the cable clamp of the Trailing Cables 6 118 HP Designjet T Series Service Manual Removal and Installation Carriage Assembly T1 100 T1 100ps T61 0 19 Unroute the Trailing Cables 20 Open the Carriage Cover 21 Remove all the Printheads HP Designjet T Series Service Manual 6 119 Removal and Installation 22 Remove the four T 15 screws that secure the Ink Supply Tubes to the Carriage Assembly i UL ce oo oo PK Me T ft e 23 Carefully lift out the Ink Supply Tubes and close the carriage cov
155. ervice Tests menu see Entering the Service Tests Menu on page 3 6 Scan Axis Test See 1 Scan Axis on page 3 6 The purpose of this test is to verity the operation of components related to the Scan Axis The tests verify the operation of the m PRS E Scan Axis E Star Wheel Lifter E Cutter Paper Drive Test See 2 Paper Drive on page 3 18 The purpose of this test is to verify the operation of components related to the Media Axis Electronics Module See 3 Electronics Module on page 3 21 The purpose of this test is to verity the operation of the E Main PCA Formatter E Printer Configuration E Power Supply Unit E PrintMech T1100 T 1100ps T610 ONLY E Carriage Communication Carriage Assembly Test See 4 Carriage Assembly on page 3 26 The purpose of this test is to verify the operation of the Carriage Assembly Sensors Test See 5 Sensors on page 3 31 The purpose of this test is to verify the operation of the following Sensors E Window Sensor E Media Lever Sensor E Media Sensor Rewinder Test See 6 Rewinder on page 3 34 The purpose of this test is to verity the operation of the Rewinder Ink Delivery Test See 7 Ink Delivery System IDS on page 3 35 The purpose of this test is to verity the operation of the Ink Delivery System Service Station Test See 8 Service Station on page 3 41 The purpose of this test is to verity the operation of the Service Station I O Information See 9 O Information
156. es Rear pol Q6687 60085 Pinchwheel Assembly 6 235 Q6677 60019 Left Roll Guide Q6687 60082 Left Spindle Holder al Q5669 60710 24 inch OS66FSO7IO a Q6687 67001 44 oe Q6683 67009 Right Spindle Holder Q6487 67004 Right Spindle Holder rewinder Sane included Right Spindle Holder rewinder T1120 CK839 67002 67002 need T1120ps 44 inch 687 87 Danina 60044 Right Rol Guide Roll Guide 2 EJ 95 aa Q6683 67005 be ah Advance Roller 6 229 a Keiers to the page in the Removal and Installation Chapter HP Designjet T Series Service Manual 5 27 Parts and Diagrams Figure 5 13 Paper Path Assemblies Rear 5 28 HP Designjet T Series Service Manual Parts and Diagrams Tool Kits Tool Kits Media Driver Tool Kit includes the Handle for Q6675 67018 Media Driver Tool Support and the Media Driver Adjustment Tool 2 Q5669 60690 Flex Contacts Cleaning Tool OO 34 4 Q6687 60084 60084 Insertion Tool seer A ii Kit includes pincwheel alignment tool media driver tool spanner 13 oil dispenser insert spring tool tweezers T15 screwdriver Eee oy 100cc Isopropyl Alcohol lubricant oil plastic gloves flex contacts cleaning tool and cleaning kit Q5669 60692 Lubrification Kit HP Designjet T Series Service Manual 5 29 Parts and Diagrams Tool Kits Lubricant Oil Cleaning cloth Figure 5 14 Tool Kits HP Designjet T Series Service Manual 5 30 Parts and Diag
157. esignjet T Series Service Manual System Error Problem Description Corrective Action 1 2 System Error Problem Description Corrective Action 1 2 System Error Problem Description Corrective Action 1 2 HP Designjet T Series Service Manual System Error Codes Full Descriptions 206 or Electronics Module Main PCA amp PSU T1120 T1120ps T620 on page 6 209 03 0 10 Battery of Real Time Clock ran down Replace the battery Turn the printer off and unplug the cable Unplug any network or USB cables Loosen the screws that attach the tormatter to the printer with your fingers or with the help of a flat screwdriver and remove the formatter Locate the round flat battery in the formatter Push the battery slightly to one side and then pull it up A little force may be required Insert the new battery by pressing it down Insert the formatter into the printer by pressing it down and tighten the screws Reconnect the cables and turn the printer on 06 YZ Failure reading writing NVM in Hard disk Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer If the System Error continues replace the Formatter See Formatter on page 6 204 08 YZ T1100 T1100ps T610 ONLY No comunication between the Front Panel and the Main PCA Try the following Switch the Power O
158. essages 2 The Front Panel displays instructions for accessing diagnostic mode These instructions can also be found in this chapter Using the Front Panel on page 3 5 2 1 O Tests This test is not applicable to the T610 printer The I O Tests service test checks the network interface functionality of the Formatter Perform this test after replacing the Formatter 1 In the Service Tests submenu scroll to Enable Hide FP Information and HP Designjet T Series Service Manual 3 74 press OK Service tests Test messages I O Tests Service Tests 2 The Front Panel asks you if you want to proceed with the I O test I O Tests Hardware I O test will be carried out for the installed and active interface Press OK to proceed or BACK CANCEL to exit 3 Press OK to proceed or Back Cancel to exit 4 The Front panel displays the I O information I O Tests Interface select AUTO Active interface GIGA ETH Active int installed YES Active int MAC state UP Press any key to continue 5 Press any key to continue 6 The printer tests the I O interfaces displays the OK screen and returns you to the Service Tests submenu HP Designjet T Series Service Manual 3 75 Service Tests and Utilities 3 76 HP Designjet T Series Service Manual Service Calibrations Service Calibrations 4 2 Using the Front Panel 4 3 Entering the Service Calibrations Menu 4 4 Scan Axis Calibration
159. etect residual magnetic traces E 5 Pass Mode all pointers to the information are erased and the information itself is repetitively overwritten using an algorithm designed to eliminate any residual traces This is the slowest method but the most secure Secure Sanitizing Erase meets the US Department of Defense 5220 22 m requirements for clearing and sanitization of disk media Perform the Disk Wipe DoD 5220 220M utility as follows 1 In the Service Utilities submenu scroll to Disk Wipe DoD 5330 22 M and press OK e Iura UPive ROLLEP ae m Purge Tubes Diagnostic Print Set Date and Time Enable Disable Firewall Reset User life counters H Disk Wipe DoD 2 Inthe Disk Wipe DoD 5330 22 M submenu scroll to Sanity Level and press Enter e Sanity Level Disk Wipe DoD 5220 22 M 3 In the Secure Sanitize Level submenu scroll to the required Sanity Level and press Enter Erasing the Hard Disk drive using either of the Secure Sanitize Levels is a HP Designjet T Series Service Manual 3 67 Service Utilities very slow process 6 hours for the 1 Pass mode and 40 hours for the 5 Pass mode Secure Sanitize Level 4 The Front Panel displays the OK once the setting has been changed and then returns you to the submenu Secure Sanitize Level 1 Pass 5 In the Disk Wipe DoD 5330 22 M submenu scroll to Disk Wipe DoD 5330 22 M and press Enter isk Wipe Dod 5228 220M e Sanity Level Disk Wipe Do0
160. ewinder The printer will start the Open Loop Rewinder Servo System and Media Driver PWM tests It there is a Failure at any point during the tests the Front Panel will display the relevant System Error Code To trouble shoot any displayed error codes see System Error Codes Full Descriptions on page 2 10 The Rewinder test starts and the front Panel displays the following messages Starting Horsburgh Starting Nvm Accessing Nvm Starting PWM ManagerLuna Starting ENC ManagerLuna Setting encoder position HP Designjet T Series Service Manual Service Tests Diagnostics 3 The Front Panel prompts you to make sure the media is unloaded and the spindle is removed Rewinder Module Please check that the paper and spindle are removed Press any key to proceed Y Remove the media from the printer Remove the spindle from the spindle holders Press any key to continue YAU R The Front Panel displays the following messages and results E Moving Rewinder Forward E Moving Rewinder Backward 8 The Front Panel shows the test complete display for a few seconds Rewinder Module 9 The Front Panel prompts you to shutdown the printer to complete the test Rewinder Module Press any Key to shutdown the system 10 Press any key to shut down the printer Once you have completed the Rewinder diagnostic test you must perform a Paper Advance Calibration Paper Advance Calibration on page 4 6 7
161. ewinder included looks like this shown from above HP Designjet T Series Service Manual Removal and Installation Right Spindle Holder and Rewinder T1120 T1120ps T620 Right Spindle Holder and Rewinder T1120 T1120ps T620 The Rewinder is only applicable to the 44 inch printers For 24 inch models see Right Spindle Holder 24 ONLY on page 6 81 Removal Switch off the printer and remove the power cable 1 Remove the Spindle on page 6 79 2 Remove the Right Cover on page 6 27 3 Remove the grounding cable attachment screw from the metal sideplate 4 Disconnect the Rewinder and encoder cables from the L1 Harness HP Designjet T Series Service Manual 6 87 Removal and Installation 5 Remove the two T 10 screws that secure the Right Spindle Holder rewinder included 44 inch 6 Unroute the Rewinder and encoder cables from all other cables Rotate the Right Spindle Holder rewinder included towards the right 7 Remove the Right Spindle Holder rewinder included from the printer Installation When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 You must also run the Rewinder Adjust utility see 15 Rewinder Adjust 3 71 Make sure you carry out the following actions during the installation of the Right Spindle Holder
162. exit 5 The selected Advanced Diagnostic Print will now be printed and if necessary automatically scanned Reading the Advanced Diagnostic Print Results Paper Advance This plot helps you to visually check any alignment problems of the printer You use it to precisely measure the media advance error with a one dot row accuracy and to verify the stability of the media advance HP Designjet T Series Service Manual 1 16 Print quality troubleshooting The whitest vertical line should be positioned in the O offset column with minor variations between 2 and 2 columns If the offset is not positioned on the O column or between 2 and 2 columns and the whitest vertical varies greatly the printer requires Paper Advance Calibration Main Menu Image Quality Maintenance Paper Advance Calibration Calibrate Paper Advance It is very important to verify that the loaded media is the same media type as selected in the front panel You can verify the media type selected through the Front Panel Main Menu Paper menu View loaded paper The wrong type of paper selected will produce an offset error in the Paper Advance HP Designjet T Series Service Manual 1 17 Print quality troubleshooting The following plot shows correct media advance there is a straight white line positioned close to the O column for the majority of the points HP Designjet T Series Service Manual 1 18 Print quality troubleshooting The following p
163. f data may be necessary to print a high quality large format print job and in some specific workflow there may be issues that can lead to some objects missing from the output Corrective Action E In the Advanced tab select Document options Printer features and set Send job as bitmap to Enabled HP GL 2 driver only E In the Advanced tab select Document options Printer features and set 16 bit App Compatibility to Enabled E In the Advanced tab select Document options Printer features and set Max Application resolution to 300 The above settings are mentioned for troubleshooting purposes and may adversely affect the final output quality or the time necessary to generate the print job Therefore they should be restored to their detault values if they do not help to solve the problem When working under Mac OS the above settings are not available Instead try reducing the resolution of bitmap images in the application software being used A PDF file is clipped or objects are missing In older versions of Adobe Acrobat or Adobe Reader large PDF files could be clipped or lose some objects when printing with the HP GL 2 driver at high resolution Upgrade the Adobe Acrobat or Adobe Reader software to the latest version From version 7 onwards these problems should be solved Print Quality Troubleshooting Wizard Here we describe the main guidelines that a customer can follow to troubleshoot print quality and or color issues
164. f the Trailing Cable 1 Use an alcohol from the Lubrification Kit or Tool Kit dampened cloth to remove all traces of residual adhesive from the double sided pads removed earlier before applying new pads in the same positions as the original pads HP Designjet T Series Service Manual 6 107 Removal and Installation 2 Make sure both ribbon cables of the Trailing Cable are routed below the lower attachment clips of the Carriage Assembly 3 Make sure that the Ferrite Core is correctly positioned so that the small cover of the Carriage PCA closes correctly to avoid possible friction damage to the Trailing Cable during operation of the printer 6 108 HP Designjet T Series Service Manual Removal and Installation Trailing Cable T1 120 T1120ps T620 Trailing Cable T1120 T1120ps T620 The Trailing Cable as a service part is included with the Ink Supply Tubes For information about the service part see Scan Axis Assemblies T1120 T1120ps T620 on page 5 23 For the disassembly procedure of the Ink Supply Tubes see Ink Supply Tubes T1120 T 1120ps T620 on page 6 197 Removal Switch off the printer and remove the power cable 1 Remove the Left Cover on page 6 30 2 Remove the Right Cover on page 6 27 3 Remove the Front Panel on page 6 47 4 Remove the Top Cover on page 6 50 5 Remove the Window Position Sensor on page 6 53 6 Loosen the T 10 uncapping screw sufficiently so you can manually
165. f the media As the test executes the Front Panel displays the following messages E Advance paper E Engaging cutter E Cutting paper E Disengaging cutter 8 Once the test has completed the Front Panel displays the test result and prompts you to confirm that the cutter worked Cutter seems to be OE Did the Cutter work Press UK to accept or BACK CANCEL to reject 9 Press OK if the cutter worked or BACK CANCEL if the cutter did NOT work 10 The Front Panel shows the test complete display for a few seconds HP Designjet T Series Service Manual 3 17 Service Tests and Utilities m The Front Panel prompts you to shutdown the printer to complete the test Fress any key to shutdown the system 12 Press any key to shutdown the printer 2 Paper Drive The Paper Drive test diagnoses Failures of components of the Media Axis You must perform the Paper Drive Test after E System Error Code 81 XZ E System Error Code 41 XZ E System Error Code 73 XZ Diagnostic tests also need to be performed after removing or replacing certain printer components If you have removed or replaced printer components check the Service Calibration Guide to Removal and Installation on page 6 5 to see which tests and calibrations you need to perform Service Calibration Guide to Removal and Installation on page 6 gt ALL THE COVER SENSORS ARE DISABLED WHEN IN THE SERVICE TESTS MENU IF THE CARRIAGE IS MOVING IT WILL NOT STOP I
166. fferent colors 1 31 White spots on the print 1 32 HP Designjet T Series Service Manual 1 1 Problems with Color Accuracy 1 32 Output Only Contains a Partial Print 1 33 Problems with Image Clipping 1 33 Some objects are missing from the printed image 1 34 A PDF file is clipped or objects are missing 1 34 Print Quality Troubleshooting Wizard 1 34 Ink Supplies Troubleshooting 1 38 Introduction to ink supplies 1 38 What are Ink Supplies 1 38 Ink Cartridges 1 38 Available Ink Cartridges 1 39 Printheads 1 39 Available Printheads 1 40 General Information About the Ink Supplies 1 40 General Precautions When Handling Ink Supplies 1 40 When Should You Replace the Ink Supplies 1 41 Ink Cartridge Levels Information and Replacement 1 41 Ink Cartridge Levels 1 41 View Ink Levels Direct Access Key 1 41 View Ink Levels from the ink menu 1 41 Obtaining Ink Cartridge Information 1 41 The printer consumes more gray ink ink than M C or Y 1 43 Changing an Ink Cartridge 1 43 Printhead Information Replacement and Alignment 1 45 Obtaining Printhead Information 1 45 Changing a Printhead 1 46 Aligning Printheads 1 48 Reinsert Printheads Procedure 1 48 Image Quality Maintenance Procedure 1 48 Scanning errors during alignment 1 49 Ink Cartridge and Printhead Status Messages 1 49 Ink Cartridge Status Messages 1 49 Printhead status messages 1 50 Printhead Error Codes 1 50 Solving Ink Supplies Problems 1 52 You Cannot Insert the Ink Cartridge
167. following message will be displayed on the Front Panel Paper advance calibration Printing pattern 13 Once the Accuracy Calibration Pattern has been printed successtully the Front panel will prompt you to continue Paper advance calibration Calibration successfully completed Press ok to continue 14 Press the Enter key to continue 15 If you used roll media to print the Paper Advance Calibration the Printer detects that media is loaded and prompts you to lift the Media Lever Lift lever 16 Raise the media lever 17 The Printer prompts you to remove the media 18 It the Paper Advance Calibration fails for any reason a warning message will appear on the Front Panel In this case try the following HP Designjet T Series Service Manual 4 9 Service Calibrations 4 10 19 20 21 22 E Retry the Paper Advance Calibration E f necessary perform a Printhead Recovery through the Front Panel and retry the calibration Remove the pattern from the printer and leave it to dry for a few minutes before continuing with the Calibration MAKE SURE NO MEDIA IS LOADED INTO THE PRINTER BEFORE STARTING TO SCAN THE CALIBRATION PATTERN You will need to re enter the Paper Advance Calibration submenu and scroll to Scan Calibration Pattern and press OK Paper Advance Calibration Print Calibration Pattern Scan Calibration Pattern lt When the following message appears on the front p
168. g This delay is possibly the result of the following E The user is performing tasks with other applications while printing particularly image processing applications These applications are using too many computer resources and the computer cannot effectively process the print job E The file to be printed is complex and the computer does not have the capacity to print such complex files E f printing over a LAN it is possible that the LAN is too slow to meet the requirements of the print job If this is the case the following corrective measures can be taken 1 Do not use the computer while printing Close applications that use a large amount of computer resources 2 Convert the file PDF Formats like PDF require less resources to print which may solve your banding problem Lines are Missing Too Thin or Too Thick Description of problem Shown below is an example of what you might see if you have this problem Corrective Action 1 Check that the paper type loaded corresponds to the paper type selected in the front panel and in the software You can verify the paper type selected HP Designjet T Series Service Manual 1 25 Print quality troubleshooting through the Front Panel Main Menu Paper menu View loaded paper 2 Check that the appropriate print quality settings are being used refer to the User s Guide for more information Select the custom print quality options in the Print dialog and if you
169. g Introduction This chapter will guide you through the relevant steps to take when troubleshooting the printer Troubleshooting System Error Codes Chapter 2 Introduction on page 2 2 contains a list of system error codes and their respective descriptions and recommended corrective actions Only try one recommended action at a time and check if the error code has disappeared It you have an error code which is not documented in this Service Manual or you have an error which you cannot resolve then report the error to the HP Response Center or the nearest HP Support Office When reporting the error have the following information ready E Model and Serial Number of the printer Which firmware revision the printer is using See Note below Check firmware in Utilities Statistics Code rev E The complete error number See Note below E The Service Configuration Print E The Current configuration sheet Which software application the customer is using name version etc When reporting the System Error Code make sure that you supply the full Error Code and the firmware version Without this information HP Support Personnel cannot help you Performing a Service Test on a failed Assembly If possible always perform a Service Test on the component assembly that you are about to replace just to make sure that is the component assembly that has tailed If the test on that component assembly passes you should NOT rep
170. g paper is loaded press the cancel key on the front panel Do not print if the realignment process has been canceled You can restart the alignment with the Image Quality Maintenance menu procedure 2 Load the paper you wish to use You can use a roll or cut sheet however it must be A3 landscape or larger 3 Remove and re insert all the printheads see Remove a printhead and Insert a printhead This will start the printhead alignment procedure 4 Ensure the transparent window closed as a strong light source near the printer during printhead realignment can affect alignment 5 The process will take about six minutes Wait until the front panel display shows the process complete before using the printer Image Quality Maintenance Procedure 1 Load the paper you wish to use You can use a roll or cut sheet however it must be A3 landscape or larger 420 by 297 mm Do not use transparent and semi transparent paper to align the printheads Photo paper is recommended for the best results plain bond and thin coated papers provide acceptable but marginal results 2 Press the Menu key to return to the main menu and select the Image Quality Maintenance menu icon 3 Select Align printheads The printer will check to see if it has enough paper to run the realignment 4 lt the loaded paper is satisfactory the printer will run the realignment and print a realignment pattern Ensure the transparent window is closed as a strong light source
171. ght Cover on page 6 27 Remove the Rear Cover on page 6 36 Unplug the Front Panel Connector from the Main PCA and remove the cable from the clips in the bottom side of the Electronic Module The ferrite has to be below the PCA as shown and the excess of the cable length is folded in the clip Se Tp 5 Unplug the flat cable from the Main PCA 6 150 HP Designjet T Series Service Manual Removal and Installation Cable Harness T1120 T1 120ps T620 6 Remove the cable from the clips in the bottom side of the Electronic Module and the bottom side of the ISS 7 Unplug the flat cable from the ISS connector WW R yoi 14 Wh WWW ae Wh mow 1a ia eT x a WE pp 8 Unplug the rest of the cables The harness cable connected to the white connector is routed between the trailing cable and the bottom of the scan beam Remove the cables from the ties HP Designjet T Series Service Manual 6 151 Removal and Installation 9 Remove the Electronics Module Main PCA amp PSU T1120 1T1120ps T620 on page 209 Then unclip the cables from the rear of the scan beam and move them from the left side to the rear of the printer crossing them between the arc and the scan beam wall The Front Panel connector has to pass above the others Remove the Front Panel cable and cable harness from the ties and clips at the rear 6 152 HP Designjet T Series Service Manual Removal and
172. he Left Ink Supply Station 23 Carefully lift the Ink Supply Tubes out of the printer 24 Carefully remove the Ink Supply Tubes from the assembly When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual 6 203 Removal and Installation Formatter Formatter Removal Switch off the printer and remove the power cable Never use a previously used Formatter This can cause serious problems Never replace the Formatter Hard Disk Drive at the same time as the Printmech PCA T1100 T1100ps T610 or Media Advance Encoder PCA T1120 T1120ps T620 If you must replace both parts always replace one restart the machine and then follow the procedure to replace the other See Replacing the PrintMech PCA Media Advance Encoder PCA and Formatter on page 2 4 1 Fully loosen the two locking thumbscrews that secure the Formatter in the printer 2 Begin lifting the Formatter from the printer Push the clips and provide upward force at the same time HP Designjet T Series Service Manual 6 204 Removal and Installation Formatter 3 Lift the Formatter out of the printer When you install a new formatter follow the instructions provided on the flier that accompanies it to set up the printer Remove the Ha
173. he currently installed firmware version is the latest one re install it 3 Reset the printer to factory defaults 4 In order to narrow the scope of the issue try the following a Disable the queue b Disable any unused network protocols c Disable SNMP and WebServices if they are available in the printer d Disable Sleep mode from the Service Utilities menu e Delete any Paper Presets that you may have uploaded or created using the printer Soectrophotometer 5 Restart the printer in Diagnostics Boot Mode and perform the Electronics test If an electronic component is identitied as faulty replace it 6 Restart the printer in Diagnostics Boot Mode and Reset the EEROM If the issue is solved by this this is a data related 79 04 system error and you should follow the guidelines for this type error See Data related SE79 04 on page 2 36 HP Designjet T Series Service Manual 2 43 Appendix A How to troubleshoot SE 79 04 7 Format the Hard Disk drive To do so you will need to start the printer normally enter the Service Utilities menu and then the Secure Disk Erase option Set the Erase method to Fast Erase and then perform the disk erase process This will take 45 75 minutes and will erase all user information trom the disk resolving any issue caused by corrupt data After the erase process a firmware update will be required If this solves the issue this is a data related 79 04 system error and you should follow th
174. he normal tlow when the issue occurs and the typical frequency of occurrence i e once every hour when sending non stop several tiles each of them with multiple copies With this information the environment can be replicated in order to try and tind workarounds This is also the information that will be needed at the GBU to investigate and fix the root cause of this issue once it is escalated Hardware related SE79 04 Hardware is by far the least likely cause of a 79 04 system error Replacing hardware components does not normally tix the issue and increases the total turn around time in finding a workable solution In some cases a failure in a component in the printer s electronics may cause a 79 04 system error since the printer s electronics are involved in the execution of the firmware and the processing of jobs It needs to be noted however that hardware failures in the electronics tend to produce specific system errors that point directly to the component that is failing Some HW causes that could be behind a 79 04 error are E Defective clusters in the Hard Disk drive If these clusters are used to execute the firmware or to process a job they may produce a 79 04 It needs to be noted however that most 79 04 errors that are resolved by an HDD replacement are in fact data related 79 04 that could have been solved more efficiently and quickly following the steps in Section 3 E Detective memory segments If the RAM memor
175. his Service Calibration is to calibrate the Drop Detector located in the Service Station in relation to the Carriage Assembly 5 Line Sensor Calibration See Line Sensor Calibration on page 4 14 The purpose of this Service Calibration is to calibrate the intensity of the Line Sensor An incorrect calibration can result in edge detection failures during media loading and incorrect reading of prints that are used for alignment or calibration 6 Carriage PCA See Carriage PCA on page 4 17 The purpose of this Service Calibration is to reset the ink short thresholds after replacing the Carriage PCA If ALL the Calibrations need to be performed for example when both the Formatter and the Print Mech PCA have been replaced you must perform them in the following order E Drop Detector Service Station Calibration E Line Sensor Scan Axis Calibration E Paper Advance Calibration 4 2 HP Designjet T Series Service Manual Service Calibrations Using the Front Panel Below is a diagram of the front panel View Loaded Paper Arrow Keys View Ink Levels Cancel als or ro Form Feed and Cut Menu Unload Paper Back Key Function E Arrow Keys Use the Arrow keys to scroll through a menu or toggle between YES or NO when prompted E Cancel Use the Cancel key to abort or stop a procedure or reject test results E OK Use the OK key to select a menu option E Power Use the Power key to turn the printer ON and OFF E Menu U
176. hutdown the printer to complete the test Sensors Press any key to shutdown the system Press any key to shutdown the printer HP Designjet T Series Service Manual 3 33 Service Tests and Utilities 6 Rewinder 3 34 The Rewinder test diagnoses failures of the Rewinder located in the Paper Path Assemblies Rear Always run this test before replacing the Right Spindle Holder rewinder included The Rewinder is only available on the 44 inch printers The 24 inch printers do NOT have a Rewinder Perform this test after E System Error Code 41 YZ E System Error Code 45 YZ E System Error Code 81 YZ Diagnostic tests also need to be performed after removing or replacing certain printer components If you have removed or replaced printer components check the Service Calibration Guide to Removal and Installation on page 6 5 to see which tests and calibrations you need to perform Service Calibration Guide to Removal and Installation on page 6 c Perform this test with the Printheads and the Tubes System installed in order to get values that can be compared correctly ALL THE COVER SENSORS ARE DISABLED WHEN IN THE SERVICE TESTS MENU IF THE CARRIAGE IS MOVING IT WILL NOT STOP IF THE WINDOW IS OPENED SO BE VERY CAREFUL NOT TO PUT YOUR HANDS INSIDE In the Diagnostics menu scroll to 6 Rewinder and press OK Diagnostics menu Scan Axis Paper Drive Electronics Module Carriage Assembly Sensors A R
177. ia Advance Drive mounting 6 While maintaining pressure on the Media Advance Drive Adjustment Tool fully tighten the three T 15 attachment screws in the order shown 7 While still maintaining pressure on the Media Advance Drive Adjustment Tool fully tighten the Encoder Sensor position adjustment screw This step is important If not done correctly the printer may not function correctly HP Designjet T Series Service Manual 6 227 Removal and Installation Media Advance Drive 8 Remove the Media Advance Drive Adjustment Tool HP Designjet T Series Service Manual 6 228 Removal and Installation Media Advance Roller T1 100 T1100ps T610 ONLY Media Advance Roller T1100 T1100ps T610 ONLY Removal Switch off the printer and remove the power cable HP Designjet T Series Service Manual Remove the Left Cover on page 6 30 Remove the Clean Out Assembly on page 6 90 Remove the Electronics Module Main PCA and PSU See page 6 206or 6 209 depending on the printer model Remove the Left Spittoon on page 6 220 Remove the Media Advance Drive on page 6 224 Remove the Media Advance Roller drive gear wheel to gain access the locking plate attachment screw The Media Advance Roller drive gear is delicate and should be removed straight off the spindle Remove two T 15 screws that secure the Media Advance Roller locking plate to the printer 6 229 Removal and In
178. ia oe De AA i ed ea E ag Er eee H Se i Pisma j Loe TIE Print Quality Troubleshooting Wizard main window When to use the Print Quality troubleshooting tool The Print Quality Troubleshooting Wizard can help customers solve their PQ color problems without the need to call to HP Support Some of the problems for which it can help are the following E Troubleshooting area fill uniformity issues such as Horizontal lines across the image banding The entire image is blurry or grainy graininess E Troubleshooting line and text quality issues such as Lines are too thick too thin or missing Lines appear stepped or jagged Lines print double or in the wrong colors Lines are discontinuous Lines are blurred HP Designjet T Series Service Manual 1 35 Print quality troubleshooting E Troubleshooting color issues such as Colors are inaccurate E Troubleshooting printhead reliability issues Corrective actions a customer can perform The corrective actions on the printer s systems that the customer can perform to enhanced the print and or color quality are E Clean Printheads is recommended only if the customer is experiencing problems with print quality where we know that printhead cleaning will help Calibrate Paper Advance is used to adjust the printer s parameters for use with different types of print media This only affects the physical movement of paper and does not affect the color cali
179. iage Assembly p5 Sensors 1 Scan Axis 3 6 Rewinder The Service Tests work in a special Mode which does NOT require the full Initialization of the Printer Therefore it is important that once you have finished with the Service Tests you MUST power OFF the Printer and Power ON again before trying to print or before executing another Service Test In some cases a quick press of a button may not be recognized by the Printer When pressing a button be sure to press it deliberately and all the way to the bottom of its travel If the Printer hangs up during a test switch the Printer OFF and restart from step 1 The complete Scan Axis test consists of individual tests for the different components related to the Scan Axis The subsystem that are included in this assembly are E Star Wheel Lifter E Automatic PPS Adjustment E Scan Axis Servosystem E Cutter You must perform the Scan Axis Test after E System Error Code 87 XZ E System Error Code 42 XZ E System Error Code 47 XZ E System Error Code 73 XZ E System Error Codes related to Scan Axis shutdown or Carriage jam HP Designjet T Series Service Manual Service Tests Diagnostics Diagnostic tests also need to be performed after removing or replacing certain printer components If you have removed or replaced printer components check the Service Calibration Guide to Removal and Installation on page 6 5 to see which tests and calibrations you need to perf
180. ice HP Designjet T1100 Printer 24 inch Model Q6683A HP Designjet T1100 Printer 44 inch Model Q6687A HP Designjet T1100ps Printer 24 inch Model Q6684A HP Designjet T1100ps Printer 44 inch Model Q6688A HP Designjet T610 Printer 24 inch Model Q6711 A HP Designjet T610 Printer 44 inch Model Q6712A HP Designjet T620 Printer 24 inch Model CK835A HP Designjet T1120 Printer 24 inch Model CK837A HP Designjet T1120 Printer 44 inch Model CK839A HP Designjet T1120ps Printer 24 inch Model CK838A HP Designjet T1120ps Printer 44 inch Model CK840A For intormation about using these printers refer to the corresponding User s Guide Readership The procedures described in this Service Manual are to be performed by HP Certitied service personnel only Part numbers Part numbers for printer options accessories and service parts are located in Chapter 5 Parts and Diagrams on page 5 1 Conventions Any text that uses the blue underlined format except this one is a link that directs you to the page number of the reference If you are viewing the document as a PDF file you can click on that link to be taken there directly HP Designjet T Series Service Manual Troubleshooting Using the Front Panel 1 3 General Troubleshooting 1 4 Introduction 1 4 Troubleshooting System Error Codes 1 4 Performing a Service Test on a failed Assembly 1 4 Performing the Necessary Service Calibrations 1 4 The Front Panel is blank 1 5
181. ice Manual 6 235 Removal and Installation Pinchwheel Assembly 7 Remove two T 15 screws that secure the Pinchwheel Assembly to the printer 8 Remove the Pinchwheel Assembly from the printer Installation Use the following procedure to align the Pinchwheel Assembly using the Pinchwheel Alignment Tool during reassembly Never remove and replace all the Pinchwheel Assemblies at the same time In order to align a Pinchwheel Assembly you need a minimum of one Pinchwheel Assembly correctly aligned by the manufacturer 1 Insert the Pinchwheel Insertion Tool through the appropriate access hole for the Pinchwheel Assembly you are installing Be very careful not to damage the Encoder Strip or the Belt Assembly with the Pinchwheel Insertion Tool HP Designjet T Series Service Manual 6 236 Removal and Installation Pinchwheel Assembly 2 Position the new Pinchwheel Assembly correctly on its hanger 3 Hook the spring of the Pinchwheel Assembly you are installing with the Pinchwheel Insertion Tool hn j W Fay Hii My a if 4 Attach the spring to its attachment point on the hanger and remove the Pinchwheel Insertion Tool 6 237 HP Designjet T Series Service Manual Removal and Installation Pinchwheel Assembly 5 Attach the new Pinchwheel Assembly with the two T 15 screws that secure to the printer but do fully NOT tighten the screws 6 Lower the Media Lever
182. ifter moved to lower position YES Press UP DOWN to change and 0K To select If the PRS moved to the LOW position press OK to accept the result If the result is not correct use the Arrow keys to select NO and press OK If there is a Failure at any point during the test the Front Panel will display the relevant System Error Code To trouble shoot any displayed error codes see System Error Codes Full Descriptions on page 2 10 The printer then starts the PSU check As the test executes the Front Panel displays the following messages Clear GPIO psu_sleep Clear GPIO psu_Carr Clear GPIO psu_Fan Checking Voltage Set GPIO psu_sleep Set GPIO psu_Carr Checking Voltage HP Designjet T Series Service Manual Service Tests Diagnostics 8 The Front Panel prompts you to confirm that the carriage supply LED is switched on Scan Axis Has the carriage supply LED been switched an TES Press UP DOWN to change and ENTER to select 9 Open the Window and verity that the LED is on The LED can be seen through the slots in the carriage cover 10 Press OK it the LED is on If the LED is not on or use the Arrow keys to select NO and press OK 11 The printer then continues the Scan Axis test As the test executes the Front Panel displays the following messages Booting Up Carriage Starting SVS Motor Getting Part Number Getting Scan Axis Size Preparing SVS Prog slow PWM scan Moving Carriage
183. ing NvmLineSensor Getting LS Serial Number Reading LS Nvm Writing new LS Nvm Checking LS Serial Number Restoring LS Serial Number Starting Service Station Starting Scan Axis Moving SVS out of sax Homing Scan Axis Moving Carriage out of SVS Homing Service Station Starting Servicing Services Capping Service Station Uncapping Service Moving to Pen postion Reading Pen presence HP Designjet T Series Service Manual 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 Service Tests Diagnostics The Carriage moves into the print path and the front Panel then prompts you to remove all pens Carriage Assembly Please remove all pens Press any key to continue Open the Window Open the Carriage cover Remove all the Printheads from the Carriage Press any key to continue The Carriage Assembly pens test executes and checks the pens status The Front Panel then prompts you to replace all the Printheads Carriage Assembly Please insert all pens Press any key to continue Replace all the Printheads Close the Carriage Cover Close the Window Press any key to continue The Carriage Assembly pens test continues and checks the pens status The Front Panel then displays the test result Carriage Assembly Press any key to continue Press any key to continue The printer continues the test and the Front Panel displays E Preparing Pen initialization E
184. ing OutOflnk sensors Reading OutOfInk 3 36 HP Designjet T Series Service Manual 10 LL 12 13 14 15 16 17 18 19 20 Service Tests Diagnostics The Front Panel then prompts you push down BongoO Checking OutofiInk sensors Push Bongot down Press any key to continue Press and hold down BongoO which is located at the furthest left Ink Cartridge position Press any key Release BongoO Press any key The Front Panel then displays the BongoO test results Checking OutofiInk sensors Bongo DK Fress any key to continue Press any key to continue Repeat steps 8 through 14 for the remaining Out of Ink sensors for each of the Ink Cartridges The front Panel prompts you to insert all the Ink Supplies Ink Delivery System insert all the Ink Press any key to proceed Y Install all the Ink Cartridges Press OK to continue The Acumen Supplies test and the front Panel displays the following messages E Starting AcumenSupplies E Reading AcumenSupplies The Front Panel then displays Acumen Supplies test results Ink Delivery System Starting AcumenSupplies Reading Acumen Supplies Acumen Supplies OK Press any Key to finish HP Designjet T Series Service Manual 3 37 Service Tests and Utilities 21 The Front Panel shows the test complete display for a few seconds Ink Delivery System 22 The Front Panel prompts you to shutdown the pri
185. inting Preferences pe ee Mamed Pmi Fenaa Foor Peares Coo er d HP Dergert TE S din SPT Ayano Don ent betoge p Leg Pacer et F 4s hare a fig Secret Gobors Pret Coia a Era 2 De ier maior tev peat FP 16 62 dap Competed Denbeed ram doobcetor eeesciton Dee hat iteme Don ae oa HP Designjet T Series Service Manual 2 26 System Error Problem Description Corrective action System Error Problem Description Corrective Action System Error Problem Description Corrective Action 1 2 System Error Codes Full Descriptions 71 19 T1100 T1100ps T610 Detault Serial Number found in the main and backup NVM It seems that both the PrintMech PCA and Hard Disk Drive have been replaced together Try the following E Perform the Error 71 19 Recovery Service Utility See 13 Error 71 19 Recovery T1100 T1OQps T610 on page 3 51 You must never replace both the Formatter and the PrintMech PCA at the same time If both parts need to be replaced you must first replace one part and then power on the printer until it completely initializes Then you can power off the printer and replace the other part 72 YZ A service calibration must be performed Check the internal error code to see which calibration must be performed To check the internal error code press UP and CANCEL together while the error code is displayed Check the internal error code 0x07090001 gain Perform the Li
186. iter horizontal bands or lines along the vertical band from top to bottom at the same distance The plot is printed in Best or Normal mode according to the menu option selected with Error Hiding ON The top band has 100 ink density patches while the bottom band has 50 ink density patches Troubleshooting Banding Problems It banding does NOT occur in ALL the colors then it is more than likely a Printhead problem In this case try the following 1 Check that the appropriate print quality settings are being used refer to the User s Guide for more information 2 Recover the printheads using the option through the Front Panel Main Menu Image Quality Maintenance Clean Printheads Reprint the Diagnostic Print or the print file and if the problem persists replace the faulty Printhead If banding does occur in ALL the colors then it is more than likely a Paper Advance problem E f the bands are light it means that the paper has advanced too much E If the bands are dark it means that the paper hasn t advanced enough HP Designjet T Series Service Manual 1 14 Print quality troubleshooting E In high quality modes graininess in ALL colors can indicate problems either with alignment or Paper Advance Corrective Action In order to solve problems that result in banding try the tollowing 1 Check that the appropriate print quality settings are being used refer to the User s Guide for more information 2 Che
187. ity See 1 Turn Drive Roller on page 3 57 Open the window and apply any common household cleaning solution water based only to a soft lint free rag and apply it to the Drive Roller and Overdrive surface while it is rotating Make sure that you thoroughly clean the Drive Roller and Overdrive surface Press Enter when you have completed the cleaning procedure Allow the Drive Roller to dry before loading media in to the Printer Level of Printer Usage Normal printer use means 6 000 000 Carriage Cycles which corresponds to approximately 100 000 AO prints on average Under normal usage conditions it will be approximately 5 years before the printer needs maintenance If the printer is used more than the normal usage conditions then it will need maintenance service much more frequently One of the EEROM counters is assigned to counting the number of carriage cycles Belt Cycles 6000000 PMKITI Bushings Life 3000000 PMKIT1 Trailing Cable Cycles 3000000 PMKIT1 HP Designjet T Series Service Manual 7 3 Preventive Maintenance Scan Axis Cycles 6000000 PMKIT1 Scan Axis Distance Covered 4500000 PMKIT1 Tubes Cycles 6500000 PMKIT1 Right Spittoon Volume 600000000 PMKIT2 Left Spittoon Volume 5 1000000 PMKIT2 When these components of the Printer exceed this amount the front panel displays the following message Maintenance 1 required Maintenance 2 required Once one of the maintenance advised messages is displa
188. ive Printhead Diagnostic Part 2 Printhead Alignment This test is designed to check any color to color and bi directional misalignment the printer may have HP Designjet T Series Service Manual 1 12 Print quality troubleshooting 1 If the Printer is experiencing horizontal misalignment problems the Alignment Test will show something like this 2 It the Printer is experiencing vertical misalignment problems the Alignment Test will show something like this 3 Ifthe Printer is experiencing bi directional misalignment problems the Alignment Test will show something like this Corrective Action Perform the Printhead Alignment Main Menu Image Quality Maintenance Align Printheads using the same paper type with which you were experiencing unacceptable image quality if feasible some paper types are not suitable for Printhead Alignment Diagnostic Part 3 Printheads amp Paper Advance This test is designed to check whether the Printheads and the Paper Advance Mechanism are working correctly This part of the Image Quality Test should NOT be used to check for color consistency or accuracy HP Designjet T Series Service Manual 1 13 Print quality troubleshooting Banding If the Printer is experiencing a banding problem you will see repetitive horizontal bands within the printed image E Darker horizontal bands or lines repeated along the vertical band from top to bottom at the same distance E Wh
189. l Guide 6 94 Right Roll Guide 6 95 Encoder Strip spring and nut T1100 T1100ps T610 6 96 Encoder Strip spring and nut T1120 T 1120ps T620 6 99 Encoder Strip 6 101 Trailing Cable T1100 T1100ps T610 6 102 Trailing Cable T1120 T1120ps T620 6 109 Carriage Assembly T1100 T1100ps T610 6 116 Carriage Assembly T1120 T1120ps T620 6 127 Carriage Rear Bushing 6 137 Lett and Right Bumpers T1120 T 1120ps T620 ONLY 6 139 Belt Assembly 6 141 Scan Axis Motor T1100 T1100ps T610 6 142 Scan Axis Motor T1120 T1120ps T620 6 146 Cable Harness T1120 T 1120ps T620 6 150 Carriage Rail Oiler 6 154 Line Sensor T1100 T 1100ps T610 6 156 Line Sensor T1120 T1120ps T620 6 161 Carriage Cover and Carriage Latch T1100 T1100ps T610 6 167 HP Designjet T Series Service Manual 6 1 Carriage Cover and Carriage Latch T1120 T1120ps T620 6 172 Carriage PCA T1100 T1100ps T610 6 177 Carriage PCA T1120 T1120ps T620 6 182 Lett Ink Supply Station 6 187 Ink Supply Tubes T1100 T1100ps T610 6 191 Ink Supply Tubes T1120 T 1120ps T620 6 197 Formatter 6 204 Electronics Module Main PCA and PSU T1100 T1100ps T610 6 206 Electronics Module Main PCA amp PSU T1120 T1120ps T620 6 209 Starwheel Assembly 6 214 Print Zone Overdrive 6 216 Lett Spittoon 6 220 Encoder Disk and Encoder Sensor 6 222 Media Advance Drive 6 224 Media Advance Roller T1100 T 1100ps T610 ONLY 6 229 Pinchwheel Assembly 6 235 Left Starwheel Lifter 6 243
190. l Lifter from the printer Do NOT remove the spring from the Right Starwheel Lifter because it is difficult to reattach When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual 6 250 Starwheel Motor Removal Switch off the printer and remove the power cable 6 HP Designjet T Series Service Manual Removal and Installation Starwheel Motor Remove the Front Cover on page 6 16 Remove the Left Cover on page 6 30 Remove the Electronics Module Main PCA and PSU See page 6 206or 6 209 depending on the printer model Remove the Left Spittoon on page 6 220 Disconnect the Starwheel Motor electrical connector Carefully pull the two gear wheels off their shafts to gain access to the Starwheel Motor attachment screws 6 251 Removal and Installation Starwheel Motor 7 Remove three T 15 screws that secure the Starwheel Motor to the printer 8 Lift the Starwheel Motor out of the printer i a m L 1 TLS When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual 6 252
191. lace it For information on the Service Tests and how to use them see Chapter 3 Service Tests and Utilities on page 3 1 Performing the Necessary Service Calibrations Is the printer calibrated correctly atter replacing a component For information on the Service Calibrations and how to use them see Chapter 4 Service Calibrations on page 4 1 Remember that certain Calibrations are required even if an Assembly has been disassembled to gain access to another Assembly or Component 1 4 HP Designjet T Series Service Manual General Troubleshooting Solving Print Quality Problems Whenever a Print Quality problem appears it is advisable to print the Diagnostic Print to help diagnose the problem The Diagnostic Print will help you differentiate between possible printhead errors and other problems such as incorrect front panel selection driver or RIP configuration or mechanical problems The Front Panel is blank 1 See What to do if the Front Panel is blank on page 2 5 The Printer does not Power ON 1 Check that the power cord is connected correctly to the Printer and to the Power Socket 2 Check that the Power Switch on the BACK of the Printer is in the ON position 3 Check to see the LED on the Front Panel Power Switch are On 4 Check that the Front Panel Cable is correctly connected to the Electronics Module Also make sure that the Front Panel cable is not damaged 5 Replace the Power Supply Unit See Starwheel Assembly
192. librations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 Use the following procedure to install and correctly adjust a new Media Advance Drive You will need Media Advance Drive Adjustment Tool from the Tool Kit Q6683 67001 If you are installing the Encoder Sensor after replacing the Media Advance Drive with a new unit you will need to adjust the Encoder Sensor position on the Media Advance Drive 1 Carefully position the Media Advance Drive in the printer HP Designjet T Series Service Manual 6 225 Removal and Installation Media Advance Drive 2 3 HP Designjet T Series Service Manual These parts should be loose during disassembly They will be tightened in the following steps Follow these instructions exactly If you do not follow these instructions the printer may not function properly Insert the three T 15 attachment screws and the encoder sensor position adjustment screw but do NOT fully tighten them Position the Media Advance Drive Adjustment Tool on the end Media Advance Roller shaft push it firmly onto the shatt and maintain a constant pressure to ensure it is flush to the Media Advance Drive 6 226 Removal and Installation Media Advance Drive 5 Rotate the Media Advance Drive Adjustment Tool fully counter clockwise to ensure its flat surface of the tool is firmly against the flat surface of the Med
193. lip the trailing cable 6 114 HP Designjet T Series Service Manual Removal and Installation Trailing Cable T1 120 T1120ps T620 23 Remove the Trailing Cables from the printer Installation When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 1 Route the Trailing Cable as per the disassembly instructions taking care not to damage the cable 2 When you route the Trailing Cable around the bend use your finger to leave healthy bend for the cable You don t want the cable to crease HP Designjet T Series Service Manual 6 115 Removal and Installation Carriage Assembly T1100 T1100ps T610 Removal Switch off the printer and remove the power cable If you replace the Carriage Assembly with service parts Q6683 60231 24 inch or Q6687 60087 44 inch that include a Trailing Cable remember to remove the Trailing Cable with the Carriage Assembly Remove the Front Cover on page 6 16 Remove the Right Cover on page 6 27 Remove the Left Cover on page 6 30 Remove the Cutter Assembly on page 6 42 Remove the Front Panel on page 6 47 Remove the Top Cover on page 6 50 7 Remove the Window Position Sensor on page 6 53 8 Remove the Ink Supply Tubes Support Rail T1100 T1100ps T610 on page 6 55 9 Manually uncap the S
194. lips under the Front Cover to release the cover from the printer 2 Carefully pull the bottom of the Front Cover forwards until you can release it from its attachments Os 3 Unhook the Front Cover from the four attachments and remove it from the printer 6 16 HP Designjet T Series Service Manual Removal and Installation Media Output Assembly Media Output Assembly Removal Switch off the printer and remove the power cable 1 Remove the Front Cover on page 6 16 Remove four T 15 screws that secure the Media Output Assembly to the printer Release the four attachment clips 4 Lift the front of the Media Output Assembly HP Designjet T Series Service Manual 6 17 Removal and Installation 6 18 5 Slide the Media Output Assembly forwards out of the printer HP Designjet T Series Service Manual Right Front Trim Removal Switch off the printer and remove the power cable HP Designjet T Series Service Manual Removal and Installation Right Front Trim Remove the Front Cover on page 6 16 Remove the Media Output Assembly on page 6 17 Remove two T 15 screws that secure the Right Front Trim to the printer Open the Right Ink Cartridge Door by applying sharp pressure to the right side of the door and lifting firmly where the door meets the Right Cover Use your hands When the door is unclipped from the pressure applied to the right side of the do
195. llation Carriage PCA T1120 T1 120ps T620 Carriage PCA T1120 T1120ps T620 Removal Switch off the printer and remove the power cable Remove the Right Cover on page 6 27 Remove the Left Cover on page 6 30 Remove the Front Panel on page 6 47 Remove the Top Cover on page 6 50 Remove the Window Position Sensor on page 6 53 Open the Carriage Cover 7 2 2 YS 7 Remove all the Printheads HP Designjet T Series Service Manual 6 182 Removal and Installation Carriage PCA T1120 T1 120ps T620 8 Unscrew the small cover of the Carriage PCA 9 Remove the small cover of the Carriage PCA Disconnect the ribbon Trailing Cable trom the Carriage PCA HP Designjet T Series Service Manual 6 183 Removal and Installation 11 Remove the four T 15 screws that secure the Ink Supply Tubes to the Carriage Assembly 12 Caretully lift out the Ink Supply Tubes and close the carriage cover at the same time 13 Close and lock the Carriage Cover 6 184 HP Designjet T Series Service Manual Removal and Installation Carriage PCA T1120 T1 120ps T620 14 Caretully move the Ink Supply Tubes into the print path 15 Remove the cover on each side of the Carriage PCA using a screwdriver unclip it 16 Disconnect the 8 ribbon cables from the Carriage Assembly PCB HP Designjet T Series Service Manual 6 185 Removal and Installation Carriage PCA T1120 T1 120ps T620
196. llation on page 6 5 6 60 HP Designjet T Series Service Manual Removal and Installation Service Station T1 100 T1 100ps T610 Service Station T1100 T1100ps T610 Removal Switch off the printer and remove the power cable 1 Remove the Right Cover on page 6 27 2 Disconnect the two lower connectors from the PrintMech PCA 3 Unroute the two cables disconnected in step 2 from the two cable clamps below the PrintMech PCA 4 Remove the grounding cable attachment screw from the PrintMech PCA HP Designjet T Series Service Manual 6 61 Removal and Installation 5 Disconnect the Aerosol Fan Assembly inline connector 6 Disconnect connector from the Primer Motor and Primer Sensor 7 Unroute the cables disconnected in steps 4 and 5 from the two cable clamps 6 62 HP Designjet T Series Service Manual Removal and Installation Service Station T1 100 T1 100ps T610 HP Designjet T Series Service Manual 8 9 Loosen the T 10 uncapping screw sufficiently so you can manually move the Carriage Assembly in step 8 If you are uncapping a 44 inch printer you will need to use either a very long or very short screwdriver to loosen the uncapping screw In this way you can loosen the screw and pass the rewinder motor Push the Carriage Assembly into the print path to gain access to two T 10 screws that secure the Service Station to the Carriage Rail 10 Remove the two allen sc
197. lot shows a bad media advance there is a straight white line positioned close to the 6 column instead of the O column for the majority of the points Pisua Corrective Action To fix Paper Advance problems try the following 1 Check the Paper Advance Calibration Status This can be done by going to Main Menu Paper View Loaded Paper At the bottom the Front Panel displays the Paper Advance Calibration status There are three status messages E DEFAULT The paper loaded is recognized as HP paper which is already optimized and calibrated for the printer Do Not calibrate the Paper Advance for this paper E RECOMMENDED The paper loaded is NOT recognized as HP paper and Paper Advance values have NOT been customized for this paper type In this case calibrate the Paper Advance from the user menu E OK This indicates that the paper loaded has been calibrated before If the printer continues to have banding and graininess problems calibrate the Paper Advance trom the user menu Whenever the printer s firmware is upgraded the paper advance calibration values will be reset to factory default 2 To calibrate the Paper Advance from the user menu go to Main Menu Image Quality Maintenance Paper Advance Calibration Calibrate Paper Advance HP Designjet T Series Service Manual 1 19 Print quality troubleshooting It is very important to verify that the loaded media is the same media type as selected in the front panel You can ve
198. me If both parts need to be replaced you must first replace one part and then power on the printer until it completely initializes Then you can power off the printer and replace the other part HP Designjet T Series Service Manual 2 4 System Error Codes What to do if the Front Panel is blank It the Front Panel is blank refer to the system error code 08 YZ instructions that apply to the printer model affected See 08 YZ T1100 T 1100ps T610 ONLY on page 2 12 or 08 YZ TN20 T 1120ps T620 ONLY on page 2 13 2 5 HP Designjet T Series Service Manual Continuable and Non Continuable Error Codes Continuable and Non Continuable Error Codes Some of the Error Codes are continuable which means you can press OK on the front panel and continue working with the Printer Non Continuable Error Codes do not allow you to continue working with the Printer in this case power the Printer OFF and ON again and see if the System Error disappears If the Error Code reappears then the Printer requires an on site visit in order to resolve the problem Even though the customer can continue working with a Continuable Error Code an on site visit should still be planned to troubleshoot the problem HP Designjet T Series Service Manual 2 6 System Error Codes System Error Code Brief Descriptions Reading a System Error Code System Error Codes explain which component system is failing and what action should be taken to resolve the probl
199. middle 12 The Front Panel prompts you to confirm that the Carriage has moved Scan Axis Preparing SVS Prog slow PWM scan Moving carriage middle Did the motor move YES Press UP DOWN to change and OK to select 13 Use the Arrow keys to select whether or not the motor moved the carriage 14 Press OK to continue 15 The Front Panel prompts you to confirm that the Carriage has moved to the middle position Scan Axis Preparing SVS Prog slow PWM scan Moving carriage middle Did the motor move Press UP DOWN to change and OK to select 16 Use the Arrow keys to select whether or not the carriage has moved to the middle 17 Press OK to continue 18 The printer then continues the Scan Axis test As the test executes the Front Panel displays the following messages HP Designjet T Series Service Manual 3 13 Service Tests and Utilities 19 20 21 22 23 24 25 3 14 E Preparing SVS E Prog slow PWM scan E Moving Carriage middle E Starting Carriage Encoder E Prog fast PWM scan The Front Panel prompts you to move the carriage to check the encoder readings Scan Axis Checking encoder readings Please keep out from platen zone and press UP l efti DOWN rights to move the carriage Remaining movements 10 Last movement eu Use the Arrow keys to move the Carriage left or right as prompted to by the Front Panel Repeat step 20 to complete the ten Carriage mov
200. moval and Installation 12 Straighten the two ribbon cables of the Trailing Cables and remove the Ferrite Core 13 Slide the Trailing Cables out of the attachment clips of the Carriage Assembly 14 Use a short torx screwdriver to remove the two 1 10 screws that secure the center attachment of the Trailing Cables 6 104 HP Designjet T Series Service Manual Removal and Installation Trailing Cable T1 100 T1 100ps T610 15 Unclip the center attachment of the Trailing Cables 16 Remove the Trailing Cables from the two double sided adhesive pads that attach it to the printer 17 Disconnect the two ribbon cables of the Trailing Cables from the Electronics Module HP Designjet T Series Service Manual 6 105 Removal and Installation 18 Unroute the Trailing Cables 19 Unclip and remove the cable clamp of the Trailing Cables 20 Unclip and remove the cable clamp of the Trailing Cables 6 106 HP Designjet T Series Service Manual Removal and Installation Trailing Cable T1 100 T1100ps T610 21 Unroute the Trailing Cables 22 Remove the Trailing Cables from the printer Installation When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 Make sure you carry out the following actions during the installation o
201. move the Carriage Assembly in step 7 7 Push the Carriage Assembly into the print path HP Designjet T Series Service Manual 6 109 Removal and Installation 8 Unscrew the small cover of the Carriage PCA 9 Remove the small cover of the Carriage PCA 10 Disconnect the ribbon Trailing Cable trom the Carriage PCA 6 110 HP Designjet T Series Service Manual Removal and Installation Trailing Cable T1 120 T1120ps T620 11 Remove the cables lid seem 12 Straighten the ribbon cable of the Trailing Cables and remove the mylar 13 Slide the Trailing Cables out of the attachment clips of the Carriage Assembly HP Designjet T Series Service Manual 6 11 Removal and Installation 14 Slide the Trailing Cables out of the cable and tube holder Mini 15 Disconnect the ribbon cable of the Trailing mh Cables from the Electronics Module tog l 16 Unroute the Trailing Cable from the clip 6 112 HP Designjet T Series Service Manual Removal and Installation Trailing Cable T1 120 T1120ps T620 17 Pass the Trailing Cable through the slot 18 Unclip and remove the cable clamps of the Trailing Cables 19 Pass the Trailing Cable through the slot HP Designjet T Series Service Manual 6 113 Removal and Installation 20 Pass the Trailing Cable through the slot 21 Continue to unroute and unclip the trailing cable 22 Continue to unroute and unc
202. move the Media Advance Roller center support locking plate You will need to use extra force to remove the center support locking plate 19 Slide the Media Advance Roller into removal position 20 Slide the Media Advance Roller towards the right viewed from the rear of the printer until you can disengage the left end viewed from the rear of the printer HP Designjet T Series Service Manual 6 233 Removal and Installation Media Advance Roller T1 100 T1100ps T610 ONLY 21 Slide the Media Advance Roller towards the left to disengage the lett end and remove the Media Advance Roller from the printer Do not let the Media Advance Roller touch any surfaces particularly metallic surfaces When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual 6 234 Removal and Installation Pinchwheel Assembly Pinchwheel Assembly Removal Switch off the printer and remove the power cable 1 Remove the Window on page 6 12 2 Remove the Spindle on page 6 79 3 Remove the Left Roll Guide on page 6 94 4 Remove the Right Roll Guide on page 6 95 5 Raise the Media Lever 6 Use the Pinchwheel Insertion Tool to remove the spring from the attachment on the printer HP Designjet T Series Serv
203. n Aerosol Fan Assembly ff 7 T Seve seren Seon Finer Asonby tik Spey sere apy Seen T Carriage Cover Carriage PCA Pf fy ee H Front Front Panel Lene trkSupply Tubes a i2 fe aera eee a e ee a ar 6 6 HP Designjet T Series Service Manual Removal and Installation Service Calibration Guide to Removal and Installation Encoder Sensor a ra a a CaniogeAssenby 2 5 ria sie BettTensioner 21 tt ttt TT tat pettAssomby 21 itt4a tt sis e a ee Wong Coble 2 ttta Tt as eee ay ERD Line line Sensor Position Sensor Out Out of Paper Sensor Out of Paper Sensor Sensor arate EEE throws f TE ttt ET Clean Out Assem Clean Out Assembly Clean Out Assembly J J fap 7 f Joy of Pen to Paper Space PPS Solenoid Eedse ft tT TT Tt StarwheolAssombly ti i i tt StarwheclMotor 1 tt 2 i tt HP Designjet T Series Service Manual 6 7 Removal and Installation Left Starwheel Lifter Right Starwheel Lifter Print Zone Overdrive Media Lever Position Sensor Pinchwheel Assembly Pinch Roller Preventive Maintenance Kit 1 Preventive Maintenance Kit 2 Preventive Maintenance Kit 3 Cutter Assembly Right Spindle Holder rewinder included Ink Supply Tubes Support Rail 6 8 HP Designjet T Series Service Manual
204. n in the following way 1 Check that the appropriate print quality settings are being used refer to the User s Guide for more information 2 Reseat the Printheads by removing them and then reinserting them As you reseat the printheads the printer will automatically align the printheads It is important that the alignment is completed properly See Aligning Printheads on page 1 48 HP Designjet T Series Service Manual 1 27 Print quality troubleshooting Lines are Blurred Ink Bleeds from Lines Description of problem This problem is offen caused by the ink soaking into the paper making the lines blurred and fuzzy This could be because of the humidity in the air Corrective Action 1 Check that the environmental conditions temperature humidity are suitable for high quality printing 2 Make sure that the paper type selected in the Front Panel is the same as the paper type loaded into the Printer 3 Try using a heavier paper type When printing dense colors it is recommended to use HP Heavyweight Coated Paper or HP Super Heavyweight Coated Paper 4 If glossy paper is being used try changing to a different type of glossy paper 5 Align the printheads See Image Quality Maintenance Procedure on page 1 48 Problems with Graininess Description of problem Shown below is an example of what you might see if you have problems with graininess Corrective Action 1 Check that the paper type loaded cor
205. nance kit 1 75 2 Preventive Maintenance kit 2 75 3 Preventive Maintenance kit 3 76 Disk Full 77 Web access application 78 Borderless Media Settings Assertion uncontrolled FW error 79 1 Recoverable Firmware Error 8 Media advance 81 Media advance Roll Feed T Raper HP Designjet T Series Service Manual 2 8 System Error Codes Ink Pumping Color calibration Profiler Printhead alignment Paper advance calibration Corrective Actions Table The following table explains the YZ part of the System Error Code or Warning w Re 0 Reseat Reconnect Clean Adjust manually Possible for 02 Calibrate Adjust using Automatic Process customer to perform 03 Power OFF and Restart the Printer action 04 Upgrade System Firmware O Upgrade Driver or Computer Software Add Accessory Send Plot Again Wrong Part Installed 1 Reseat Reconnect Clean Adjust manually 12 Calibrate Adjust using Automatic Process hp qualified personnel 3 Power OFF assistance required 4 Upgrade System Firmware 5 Upgrade Driver or Computer Software 16 Add Accessory 8 Send Plot Again 9 Wrong Part Installed 2 9 HP Designjet T Series Service Manual System Error Codes Full Descriptions System Error Codes Full Descriptions System Error Problem Description Corrective Action 1 2 System Error Problem Description Corrective Action 1 2 3 System Error Problem Description Corrective A
206. nces Acvencec Perang Shortaure Fperra Featurea Cobor Sernaicee agi HP Designjet T6410 44n HPGL2 Advanced Document Seting ag Paper Dulput P i Gratie E is Cocument Qpbons Print Optimaations Erabked E W Ponter Features Seno job as bimap Disabled L bit App Compatbilty Gisshies Max Appice ton Kesnar Mirror Image Ott 4 Use Econofast printmode The rendering resolution will be selected by default to 300 dpi From the Printint Preterences pane select custom HP Designjet T Series Service Manual System Error Codes Full Descriptions options and then settings In the Custom Print Quality Options pane select Economode amp ip Designjet 1610 44in HPGL Printing Preferences If the Out of Memory message still persists proceed to the next workaround 5 Out of Memory issues can always be solved if the processing of the job can be performed before reaching the printer This can be done by selecting Send Job as Bitmap The main processing of the print job will then be performed by the computer This means that more computer resources can be used to process the plot This form of printing is recommended in the case where the print job contains raster images plots and mixed plots with raster images and lines this is because the process of turning the print job made of raster images to vector images leads to a significant increase in the display list size A He Designjet Th10 Adim AGL Pr
207. nch 96687 60058 T CK83767021 T1120 T1120 CK839 67007 67007 PS TAA 44inch 06683 60200 7A ra os RA ee a Keiers to the page in the Removal and Installation Chapter 5 6 HP Designjet T Series Service Manual Parts and Diagrams Center Covers Rear Figure 5 3 Center Covers Rear HP Designjet T Series Service Manual 5 7 Parts and Diagrams Right Cover T1100 T1100ps Q6683 60203 1 Right Cover without Right Ink T1120 Cartridge Door T1120ps T610 26771 60003 60003 T620 Q6675 60109 ome Front Trim Right Front Trim Left not shown T1100 All Q6683 60205 T1100ps Q6711 60004 60004 T610 Q6683 60233 Right Ink Cartridge Door T1120 CK837 67024 T1120ps a Keiers to the page in the Removal and Installation Chapter 5 8 HP Designjet T Series Service Manual Parts and Diagrams Right Cover Figure 5 4 Right Cover HP Designjet T Series Service Manual 5 9 Parts and Diagrams Left Cover Q6683 60232 Left Ink Left Ink Cartridge Door Door Q6675 60109 oe Front Trim Right Front Trim Right not shown Q6683 67003 3 Lett Side Panel T1120ps cHsse 67002 67002 ee json Cover without Left Ink SOROS CEANA Cartridge Door amp Left Side Panel a al a Keiers to the page in the Removal and Installation Chapter 5 10 HP Designjet T Series Service Manual Parts and Diagrams Left Cover Figure 5 5 Left Cover HP Designjet T
208. nd nut T1100 T1100ps T610 6 Loosen the T 10 uncapping screw sufficiently so you can manually move the Carriage Assembly in step 7 If you are uncapping a 44 inch printer you will need to use either a very long or very short screwdriver to loosen the uncapping screw In this way you can loosen the screw and pass the rewinder motor 7 Push the Carriage Assembly into the print path 8 Unclip the Encoder Strip tensioner from the right hand end HP Designjet T Series Service Manual 6 97 Removal and Installation 9 Carefully pull the Encoder Strip out of the printer from the right hand end When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 6 98 HP Designjet T Series Service Manual Removal and Installation Encoder Strip spring and nut T1120 T1120ps T620 Encoder Strip spring and nut T1120 T1120ps T620 Removal Switch off the printer and remove the power cable 1 Remove the Right Cover on page 6 27 2 Remove the Left Cover on page 6 30 3 Remove the T 15 screw that secures Encoder Strip to the printer 4 Grip the Encoder Strip and move it towards the left to take off the tension until you have completed the next step 5 Unclip the Encoder Strip from its attachment lugs HP Designjet T Series Servi
209. ne Sensor Calibration See Line Sensor Calibration on page 4 14 0x07090002 LS2K Perform the Line Sensor Calibration See Line Sensor Calibration on page 4 14 0x07090003 DD Perform the Drop Detector Calibration See Drop Detector Calibration on page 4 12 mM 0x07090004 Adv Perform the Paper Advance Calibration See Paper Advance Calibration on page 4 6 mM 0x07090005 Alig Perform the Printhead Alignment Calibration See Aligning Printheads on page 1 48 0x07090008 Analog Encoder Perform the Paper Advance Calibration See Paper Advance Calibration on page 4 6 73 YZ Servo Error Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer Check that the Printer has the latest Firmware version If not update the Firmware to the latest version Perform the Scan Axis Test to troubleshoot the problem further See 1 Scan Axis on page 3 6 If the System Error continues perform the Media Drive diagnostic test to troubleshoot the problem further See 2 Paper Drive on page 3 18 HP Designjet T Series Service Manual 2 27 System Error Problem Description Corrective Action 1 2 System Error Problem Description Corrective Action 1 2 System Error Problem Description Corrective Action System Error Problem Description Corrective Action System Error Problem
210. nect the three connectors from the Left Ink Supply Station If you need to change the ISS Harness Cable make sure you keep the previously used plastic connector The new cable will arrive with a female end which you will replace with the existing male end Unroute the three cables from the Left Ink Supply Station HP Designjet T Series Service Manual 6 189 Removal and Installation Left Ink Supply Station 11 Carefully litt the Cartridge Tubes Connector out of the Left Ink Supply Station 12 Carefully lift the Lett Ink Supply Station enough so that you can rotate it counterclockwise to release the front attachment from the printer 13 Carefully lift the Lett Ink Supply Station completely out of the printer When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual 6 190 Removal and Installation Ink Supply Tubes T1 100 T1 100ps T61 0 Ink Supply Tubes T1100 T1100ps T610 Removal Switch off the printer and remove the power cable Remove the Right Cover on page 6 27 Remove the Left Cover on page 6 30 Remove the Front Panel on page 6 47 Remove the Top Cover on page 6 50 Open the Carriage Cover vO No 6 Remove all the Printheads HP Designjet T Series Service Manual 6 19
211. nected to the PrintMech PCA Perform the Sensors Test to troubleshoot the problem further See 5 Sensors on page 3 31 Replace the Window Position Sensor See Window Position Sensor on page 6 53 52 10 The printer has detected fibers in the Drop Detector Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer Check that the Drop Detector cable is not damaged and is correctly connected to the PrintMech PCA Clean the drop detector HP Designjet T Series Service Manual System Error Problem Description Corrective Action 1 2 System Error Problem Description Corrective Action 1 2 3 4 System Error Problem Description Corrective Action 1 HP Designjet T Series Service Manual System Error Codes Full Descriptions Check that the Service Station cable is not damaged and is correctly connected to the PrintMech PCA Replace the Drop Detector See Drop Detector on page 6 69 Reset the Calibration Flag of the Drop Detector See Drop Detector Calibration on page 4 12 If the System Error continues replace the PrintMech PCA See PrintMech PCA T1100 T1100ps 1610 ONLY on page 6 73 55 YZ Problem with the Line Sensor The printer has detected a failure to access Line Sensor EEPROM Try the following Switch the Power OFF from the back of the Printer and disconnect the
212. new PATA SATA PATA SATA E lig n _ EL UEHHH Pz Disk changed and rotated Memory embedded in PCA Only the following firmware supports the new style of Formatter m HP Designjet T610 and T1100 printers with the firmware 6 0 0 4 onwards m HP Designjet Z2100 and Z3100 printers with the firmware 6 0 2 1 onwards 5 32 HP Designjet T Series Service Manual Removal and Installation Introduction 6 3 Service Calibration Guide to Removal and Installation 6 5 Bin Assembly 6 10 Window 6 12 Covers and Trims 6 16 Rear Tray 6 35 Rear Cover 6 36 Media Lever 6 37 Media Lever Position Sensor 6 40 Cutter Assembly 6 42 Lett Rear Tray Support 6 45 Front Panel 6 47 Top Cover 6 50 Window Position Sensor 6 53 Ink Supply Tubes Support Rail T1100 T1100ps T610 6 55 Ink Supply Tubes Support Rail T1120 T1120ps T620 6 59 Service Station T1100 T1100ps T610 6 61 Service Station T1120 T1120ps T620 6 65 Drop Detector 6 69 Aerosol Fan Assembly T1100 T1100ps T610 ONLY 6 71 PrintMech PCA T1100 T1100ps T610 ONLY 6 73 Pen to Paper Space PPS Solenoid T1100 T1100ps T610 6 75 Pen to Paper Space PPS Solenoid T1120 T1120ps T620 6 77 Spindle 6 79 Lett Spindle Holder 6 80 Right Spindle Holder 24 ONLY 6 81 Right Spindle Holder and Rewinder T1120 T1120ps T620 6 87 Right Spindle Holder and Rewinder T1120 T1120ps T620 6 87 Clean Out Assembly 6 90 Out Of Paper Sensor 6 91 Left Rol
213. nfiguration 3 Error 71 19 Recovery 2 The Front Panel will show the 13 Error 71 19 Recovery submenu 3 Inthe 13 Error 71 19 Recovery submenu scroll to Select Right S N and press OK to start the test 13 Error 71 19 Recovery Set Serial Number Select Right S N 4 The Select Right S N test starts and the front Panel displays the following message Checking SE Log Starting Horsburgh and Mips Starting NvmMain Starting NvmBackup Getting Serial Number Checking Serial Number Getting Part Number Writing the right SN HP Designjet T Series Service Manual 3 53 Service Tests and Utilities E Starting Nym 5 The Front Panel shows the test complete display for a few seconds SE 71 19 Select Right S N 6 The Front Panel prompts you to shutdown the printer to complete the test SE 71 19 Select Right S N Press any Key to shutdown the system 7 Press any key to shutdown the printer 14 Others This test is not implemented for the current version of the printer 3 54 HP Designjet T Series Service Manual Service Utilities Service Utilities 10 LL 12 The following is a list of all internal Service Utilities available in the Printers For instructions on entering the Service Utilities menu see Entering the Service Utilities Menu on page 3 56 Turn Drive Roller See 1 _ Turn Drive Roller on page 3 57 The purpose of this Service Utility is to rotate the Drive Roller and the Ov
214. ng Shown below is an example of what you might see if you have problems with Stepped Lines Corrective Action 1 The problems may be inherent in the image that you are trying to print Try to improve the image with the application that generated the file 2 Check that the appropriate print quality settings are being used refer to the User s Guide for more information 3 Select the custom print quality options in your Print dialog and if you are using Glossy media and BEST quality turn on the Maximum Detail option HP Designjet T Series Service Manual 1 26 Print quality troubleshooting 4 Change the image rendering resolution to 300 dpi only in EconoMode Printmode or 600 dpi depending on the printing needs You can find the Max Application Resolution option in the Windows driver dialog s Advanced tab under Document Options gt Printer Features Lines are Printed Double or in Wrong Colors Description of problem This problem can have various visible symptoms as shown below YX OOK Colored lines are Borders of colored blocks are wrongly printed double in different colors colored Corrective Action 1 Reseat the Printheads by removing them and then reinserting them As you reseat the printheads the printer will automatically align the printheads It is important that the alignment is completed properly See Aligning Printheads on page 1 48 Lines are discontinuous If the lines are broke
215. ng As long as each Ink Cartridge is inserted correctly into its slot the ink will flow to the Printheads Because the Printheads control the amount of ink transferred to the page you will continue to see high quality printing results even when the ink levels are getting low The front panel displays the status of the Ink Cartridge Using the front panel detailed information can be checked on the Ink Cartridges Available Ink Cartridges HP 72 69 ml Photo Black Ink Ink Cartridge CI397A Cartridge HP 72 69 ml Cyan Ink Cartridge Ink Cartridge CI398A HP 72 69 ml Magenta Ink Ink Cartridge C9399A Cartridge HP 72 69 ml Yellow Ink Ink Cartridge C9400A Cartridge HP 72 69 ml Gray Ink Cartridge Ink Cartridge C9401A HP 72 130 ml Matte Black Ink Ink Cartridge C9403A Cartridge HP 72 130 ml Photo Black Ink Ink Cartridge C9370A Cartridge HP 72 130 ml Cyan Ink Ink Cartridge C9371A Cartridge HP 72 130 ml Magenta Ink Ink Cartridge C9372A Cartridge HP 72 130 ml Yellow Ink Ink Cartridge C9373A Cartridge HP 72 130 ml Gray Ink Cartridge Ink Cartridge C9374A Printheads The Printheads are extremely durable and do not need to be replaced every time an Ink Cartridge is replaced They are independent of the Ink Cartridges and will continue giving excellent image quality results even if the Ink Cartridges are low on ink HP Designjet T Series Service Manual 1 39 Ink Supplies Troubleshooting If you notice a decline in prin
216. ng a warranty expired 524288 Expired Warning Printhead has used expired or non HP ink Solving Ink Supplies Problems Most of the problems that you could encounter when working with the ink supplies are solved with guidance from the front panel A full list of front panel messages are supplied in the User s Guide You Cannot Insert the Ink Cartridge Into the Printer 1 Ensure that you have the correct hp no 72 Ink Cartridge 2 Ensure that the Ink Cartridge is the correct color for that slot 3 Ensure that the Ink Cartridge is the correct orientation with the color coded label at the top Never clean inside the Ink Cartridge slots as this can cause damage to the Printer You Cannot Insert the Printhead Into the Printer Ensure that you have the correct hp no 72 Printhead Ensure that the printhead is the correct color for that slot Ensure that the printhead is in the correct orientation A Q Nma Ensure that the protective cap is removed from the Printhead The front panel says to reset or replace a printhead From the front panel turn the power off then on 2 Check the front panel display message if it shows the ready message the printer is ready to print If the problem remains continue with the next step 3 Remove the printhead 4 Clean the electrical connections on the backside of the printhead with a lint free cloth You can carefully use a mild rubbing alcohol if moisture is needed to remove residue D
217. ng default config 5 The Front Panel finishes the test and prompts you to Recover the Printheads after completing the test and rebooting the printer FEROM Reset After rebooting there will be a printhead error select printhead replacement to launch the printhead calibration Press any key to continue 7 The Front Panel prompts you to shutdown the printer to complete the test FEROM Reset Press any key to shutdown the system 8 Press any key to shutdown the printer 9 Recover the Printheads See Chapter 1 Image Quality Maintenance Procedure on page 1 48 12 Set Unit Configuration This diagnostic test is not available Set Unit Configuration Not available Press OK to exit 3 50 HP Designjet T Series Service Manual Service Tests Diagnostics 13 Error 71 19 Recovery T1100 T1100ps T610 This diagnostic test utility is used to set the Serial Number and Part Number when the Formatter and Printmech PCA have been replaced at the same time T1100 T1100ps T6410 The complete Error 71 19 Recovery utility consists of individual utilities to handle different serial and part number setting requirements These tests are E Set Serial Number E Select Right S N Set Serial Number 1 In the Diagnostics menu scroll to 13 Error 71 19 Recovery and press OK Diagnostics menu Hg Service STATION es I O Information Unit Information EEROM Reset Set Unit configuration 3 Erro
218. nge 63 to 22 Y Offset got 44 M Offset Range 30 to 30 Offset got 2 Press OK to accept or CANCEL to reject values 8 The Printer will now perform the Printhead Alignment When the following message appears on the front panel you must select whether you would like HP Designjet T Series Service Manual 4 16 Service Calibrations to continue with the calibration by pressing the OK key Press Back or Cancel to exit the calibration Line Sensor Calibration Press OK to proceed with Pen Alignment calibration or BACK CANCEL to exit 9 Once the Printhead Alignment is completed the following message will be displayed on the Front Panel Press the OK key to continue Printhead alignment Calibration successfully completed Press OK to continue If the Printhead Alignment fails for any reason a warning message will appear on the Front Panel In this case try the following E Enter the Front Panel menu and retry the Printhead Alignment If the Alignment completes successfully then perform the Color Calibration E It the Alignment fails again check the Alignment pattern to see if any of the Printheads are printing incorrectly If necessary perform a Printhead Recovery through the Front Panel and retry the Printhead Alignment 10 Once the complete Line Sensor calibration is completed successfully OK will be displayed on the Front Panel Line Sensor Calibration Carriage PCA The purpose of this
219. nter and disconnect the Power cord Reconnect the power cord and power On the Printer Check that the Network cable is correctly connected to the Formatter Check that the Printer has the latest Firmware version If not update the Firmware to the latest version If the System Error continues replace the Formatter See Formatter on page 6 204 64 YZ Input Output problem through the USB Port Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer Check that the USB cable is correctly connected to the Printer HP Designjet T Series Service Manual System Error Problem Description Corrective Action 1 2 3 System Error Problem Description Corrective Action Problem Description Corrective Action System Error Problem Description System Error Codes Full Descriptions Check that the Printer has the latest Firmware version If not update the Firmware to the latest version If the System Error continues replace the Formatter See Formatter on page 6 204 65 YZ Memory Driver Internal I O error O Socket Manager Internal I O error Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer Check that the unknown port cable is correctly connected to the Printer Check that the Printer has th
220. nter to complete the test Ink Delivery System Press any Key to shutdown the system 23 Press any key to shutdown the printer Check Ink Supplies 1 In the Diagnostics menu scroll to 7 IDS and press OK Hl bgal Ax ts F Paper Drive Electronics Module Carriage Assembly Sensors Rewinder 2 The Front Panel will show the 7 IDS submenu e Ink Delivery System e Check Ink Supplies Check Leakage 3 Inthe IDS submenu scroll to Check Ink Supplies and press OK to start the test 4 The Check Ink Supplies test starts and the front Panel displays the following messages Starting Horburgh amp Mips Starting Nvm Getting Part Number Starting Supplies Starting AcumenSupplies Reading Ink Supplies 3 38 HP Designjet T Series Service Manual Service Tests Diagnostics 5 The Front Panel then displays Check Ink Supplies test results Use the Arrow keys to view the second results screen Check Ink Supplies G PK MK YES YES YES 003 053 090 O56 056 120 Press UP DOWN to show next Window and OK to exit Y M YES YE5 YES 052 Woy Oo 057 61 61 Window and OK to exit 6 Press OK to exit 7 The Front Panel shows the test complete display for a few seconds Check Ink Supplies 9 Press any key to shutdown the printer Check Leakage 1 In the Diagnostics menu scroll to 7 IDS and press OK Hl sll Ax ts Paper Drive Electronics Module Carriage Assembly Sensors Rewind
221. nue 30 Press any key to continue 31 The Front Panel then prompts you to test the Formatter Communications Electronics Module Do you want to check the Formatter communications TES Press UP DOWN to change and OK to select 32 Press OK to the test the Formatter If you do not wish to test the Formatter use the Arrow keys to select NO and press OK 3 24 HP Designjet T Series Service Manual 33 34 35 36 37 38 39 40 Service Tests Diagnostics The Formatter Communications test starts and the front Panel displays the following messages E Starting Micci2Bus E Starting Micci2BusProxy E Checking Communications The Front Panel then displays Formatter Communications test results and prompts you to press any key to continue Electronics Module Device name D lsali D lsals Delsol Lunad Press any key to continue Press any key to continue The Front Panel then prompts you to check the Plotter Information Electronics Module Do you want to check the Plotter information TES Press UP DOWN to change and OK to select Press OK to the check the Plotter Information If you do not wish to test the Plotter Information use the Arrow keys to select NO and press OK The Plotter information test starts and the Front Panel displays the following messages E Getting Plotter info The Front Panel then displays the Plotter Information results and prompts you to press a
222. ny key to finish Electronics Module Proto Name prePR Proto Product TJM Scan Axis size 44 Press any key to finish Press any key to finish 41 The Front Panel shows the test complete display for a few seconds Electronics Module HP Designjet T Series Service Manual 3 25 Service Tests and Utilities 42 The Front Panel prompts you to shutdown the printer to complete the test Electronics Module Press any key to shutdown the system 43 Press any key to shutdown the printer 4 Carriage Assembly 3 26 The Carriage assembly test diagnoses Failures of any components of the Carriage Always run this test before replacing the Carriage Assembly Diagnostic tests also need to be performed after removing or replacing certain printer components If you have removed or replaced printer components check the Service Calibration Guide to Removal and Installation on page 6 5 to see which tests and calibrations you need to perform Service Calibration Guide to Removal and Installation on page 6 G In the Diagnostics menu scroll to 4 Carriage Assembly and press OK Diagnostics menu Scan Axis Paper Drive Electronics Module 4 Carriage Assembly sensors S0L The Power supply test starts and the Front Panel displays the following messages Starting Horsburgh Starting Nvm Accessing Nvm Starting AdcManagerHorus Starting Carriage Getting Carriage PCA Rev The Front Panel pr
223. o not use water You can use the Flex Contacts Cleaning Tool 1 52 HP Designjet T Series Service Manual Ink Supplies Troubleshooting This is a delicate process and may damage the printhead Do not touch the nozzles on the bottom side of the printhead especially not with any alcohol 5 Reinsert the printhead 6 Check the front panel display message If the problem remains try a new printhead Maintaining and Cleaning the Printheads Clean the printheads As long as the printer is kept turned on an automatic cleaning is performed periodically This ensures there is fresh ink in the nozzles and prevents nozzle clogs which ensures color accuracy If you have not already done so please refer to Horizontal lines across the image banding and The Image Diagnostics Print before proceeding To clean the printheads press the Menu key to return to the main menu and select the Image Quality Maintenance menu icon then Clean printheads If you have gone through the Image Quality Diagnostic print process you know which colors are failing Select to the pair of printheads which contain the failing colors If you are not sure which colors to clean you can also select to clean all printheads Cleaning all printheads takes about nine minutes Cleaning a single pair of printheads takes about six minutes Cleaning all printheads uses more ink than cleaning a single pair If you have cleaned the printheads using the Clean printheads p
224. ollowing systems paper motor disk encoder cables or main electronics Try the following Open the Window and check for any visible obstacles restricting the movement of the Drive Roller If there is a wrinkled mass of media inside the paper path lift the Pinchwheels using the Media Lever and clear the obstruction Perform the Media Drive diagnostic test to troubleshoot the problem further See 2 Paper Drive on page 3 18 If the printer has a 44 inch scan axis and a Rewinder perform the Rewinder diagnostic test to troubleshoot the problem further See 6 Rewinder on page 3 34 Check the connections on the Main PCA the Media Advance Drive is connected to the connector labeled Paper Motor Adjust the encoder disc and motor mount configuration using the Media Advance Drive installation instructions See Media Advance Drive on page 6 224 If the System Error continues replace the Media Advance Drive See Media Advance Drive on page 6 224 84 YZ Back tension servo shutdown roll feeding Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer HP Designjet T Series Service Manual System Error Problem Description Corrective Action 1 2 System Error Problem Description Corrective Action 1 2 System Error Problem Description Corrective Action 1 2 3 System Error Problem
225. omponents If you have removed or replaced printer components check the Service Calibration Guide to Removal and Installation on page 6 5 to see which tests and calibrations you need to perform The Paper Advance Calibration is split into two parts and should always be done in this order Print Calibration Pattern The Printer first calibrates the Analog Encoder and then prints the Paper Advance Calibration pattern Scan Calibration Pattern The Printer scans the Paper Advance Calibration pattern in order to calibrate the nominal advance of the media Only scan the Calibration Pattern in the Printer that was used to actually print it Using the Calibration in a different Printer could cause it to experience media advance problems After scanning the Calibration Pattern it should be discarded Perform the Paper Advance Calibration as follows Make sure that you unload media from the Printer before performing the Paper Advance Calibration In the Service Calibrations submenu scroll to Paper Advance Calibration and press OK Service calibrations e Scan Axis calibration e Service Station e Paper advance calibration Drop Detector calibration Line Sensor calibration Carriage PCA HP Designjet T Series Service Manual Service Calibrations 2 In the Paper Advance Calibration submenu scroll to Print Calibration Pattern and press OK Paper Advance Calibration Print Calibration Pattern Scan Calib
226. ompts you to verify the Carriage Assembly PCA revision The PCA Rev must be between 0 949 and 1 161 Carriage Assembly Carriage PCA Rev 1 001 Is the PCA Revision OK YES Press OK to confirm and BACK CANCEL to reject If the results are correct press OK to accept the results If the results are not correct press Back Cancel to reject the results and FAIL the test HP Designjet T Series Service Manual 5 10 1 12 13 14 Service Tests Diagnostics The Carriage Assembly test starts and the Front Panel displays the following messages followed by their results E Getting Num of pens E Getting Scan Access size E Getting Vs Carriage Voltage The Front Panel then displays the Carriage Voltage Vs test results The vs Voltage should be between 30 6 and 33 3 for T1120 T1120ps T620 or between 43 6 and 46 3 for T1100 T1100ps T610 Carriage Assembly Carriage Voltage s 45 242 Press OK to confirm and BACK CANCEL to reject If the results are correct press OK to accept the results If the results are not correct press Back Cancel to reject the results and FAIL the test The Carriage Assembly Vaux test starts and the Front Panel displays E Getting Vaux Carriage Volt The Front Panel then displays the Carriage Voltage Vaux test results Carriage Voltage Vaux 5 681 Fress any key to continue Press any key to continue The Carriage Assembly Pens Voltage test starts and
227. ontains three separate parts a The Variable Frequency Nozzle health plot with odd even nozzles separation This is used to detect misdirected nozzles weak nozzles or nozzles not working correctly at all frequencies b Inspector measuring tool test plot Test b should NOT be used by Service Engineers c Nozzle Print Test which is also part of the Image Quality Service Plot This test is designed to check that the Printhead nozzles print correctly The test prints out every single nozzle of each Printhead No error hiding or Printhead Alignment algorithm is applied For each Printhead you can see both the adjacent and the consecutive nozzles This is what you would see in the Nozzle Print Test part if there are nozzles not printing correctly 1 On the right of each Printhead Nozzle test there is a series of numbered stepped diagonal lines If one or more of the nozzles are malfunctioning or mis positioned you will see that the stepped lines are broken or misdirected in one or more places 2 On the left of each Printhead Nozzle test there is a series of horizontal straight lines If one or more nozzles are misdirected there will be unequal spaces between the corresponding lines Corrective Action for Nozzle Defects If the printer has nozzle defects it does not mean that you will not get perfect print quality results The printer has automatic procedures to hide many nozzle defects 1 Recover the Printheads using the option thr
228. or you will hear a sound that corresponds to the clip Do NOT use a screwdriver or other tool to open the Right Ink Cartridge Door Unclip the Right Front Trim 6 19 Removal and Installation 6 Remove Right Front Trim from the printer 6 20 HP Designjet T Series Service Manual Removal and Installation Left Front Trim Left Front Trim Removal Switch off the printer and remove the power cable 1 Remove the Front Cover on page 6 16 2 Remove the Media Output Assembly on page 6 17 3 Remove two T 15 screws that secure the Left Front Trim to the printer 4 Open the Left Ink Cartridge Door 5 Unclip the Left Front Trim HP Designjet T Series Service Manual 6 2 Removal and Installation 6 Remove Left Front Trim from the printer 6 22 HP Designjet T Series Service Manual Removal and Installation Right Ink Cartridge Door Right Ink Cartridge Door Removal Switch off the printer and remove the power cable HP Designjet T Series Service Manual Open the Right Ink Cartridge Door by applying sharp pressure to the right side of the door and lifting firmly where the door meets the Right Cover Use your hands When the door is unclipped from the pressure applied to the right side of the door you will hear a sound that corresponds to the clip Do NOT use a screwdriver or other tool to open the Right Ink Cartridge Door Unclip the right side of the Right Ink
229. or ribbon cable from the Service Station cable clamps 4 Remove the T 15 screw that secures the Drop Detector to the Service Station HP Designjet T Series Service Manual 6 69 Removal and Installation 6 70 Litt the Drop Detector off the Service Station When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual Removal and Installation Aerosol Fan Assembly T1100 T1100ps T610 ONLY Aerosol Fan Assembly T1100 T1100ps T610 ONLY Removal Switch off the printer and remove the power cable The Aerosol Fan Assembly does not exist for E 11120 T1120ps T620 printers 71100 T1100ps T610 printers manufactured after mid February 2008 This procedure is only for T1100 T1100ps and T610 printers that include an Aerosol Fan Assembly 1 Remove the Right Cover on page 6 27 2 Disconnect the Aerosol Fan Assembly in line connector 3 Remove the four T 15 screws that secure the Aerosol Fan Assembly to the Service Station The four access holes in the Aerosol Fan Assembly housing are the same size as the attachment screw diameter so you will need a normal Torx Screwdriver not a multi tool to remove the screws HP Designjet T Series Service Manual 6 7 Removal and Installation
230. orm ALL THE COVER SENSORS ARE DISABLED WHEN IN THE SERVICE TESTS MENU IF THE CARRIAGE IS MOVING IT WILL NOT STOP IF THE WINDOW IS OPENED SO BE VERY CAREFUL NOT TO PUT YOUR HANDS INSIDE IF POSSIBLE ALWAYS PERFORM THIS TEST BEFORE REPLACING ANY COMPONENT OF THE SCAN AXIS Star Wheel Lifter test The Star Wheel Lifter subassembly is designed to move the Start Wheel support to the up and down positions This is used to load roll or sheet media and avoid damage to the Star Wheel caused by paper jams etc Perform the Scan Axis Starwheel lifter test as follows Perform this test with the Printheads and the Tubes System installed in order to get values that can be compared correctly 1 In the Diagnostics menu scroll to 1 Sean Axis and press OK Diagnostics menu Paper Drive Electronics Module Carriage Assembly sensors Rewinder e Star Wheel Lifter 3 Inthe Sean Axis submenu scroll to Star Wheel Lifter and press OK to start the test If there is a Failure at any point during the tests the Front Panel will display the relevant System Error Code To trouble shoot any displayed error codes see System Error Codes Full Descriptions on page 2 10 4 The printer then starts the Star wheel lifter PWM control test to verity the subsystem As the test executes the Front Panel displays the following messages Starting Horsburgh amp Mips Starting nvm Starting Tests PWM Starting Tests GPIO Booting up the Car
231. ormally insert the consumables one by one until you isolate the one that is causing the error Do NOT insert any of the replaced consumables in another printer 5 Restart the printer in Diagnostics Boot Mode and perform the Electronics test If an electronic component is identitied as faulty replace it E Restart the printer in Diagnostics Boot Mode and Reset the EEROM If the issue is solved by this this is a data related 79 04 system error and you should follow the guidelines refer to page 3 Data related SE79 04 6 Ifthe unit has been used for some time and suddenly has started to show this behavior replace the Hard Disk Drive it may be included with the Formatter in some models 7 Ifthe issue is new and the issue happens since the first boot do NOT replace the HDD 8 If none of the previous steps solved the issue escalate the issue with the following information E Unit information S N P N accessories E Conditions where the problem occurs and conditions prior to the first occurrence of the problem E The results of the previous 8 steps E The System Error detailed information this can be obtained by pressing CANCEL Down E The printer logs In order to obtain the printer logs check the corresponding appendix See Appendix C Obtaining printer logs on page 2 48 Front panel displays 79 04 during printer operation not while sending jobs 1 Reboot the printer 2 Upgrade the printer s firmware Even if t
232. ough the Front Panel Main menu Image quality maintenance clean printheads 2 Reprint the Nozzle Print test to check that the defective nozzles have been corrected G If the problem continues replace the defective Printhead HP Designjet T Series Service Manual 1 23 Print quality troubleshooting Force Drop Detection It the Nozzle Print Test plot has persistent white point banding in only one color that cannot be fixed with a printhead recovery you can use this option to resolve the problem by resetting the nozzle health data base so that all nozzles are assumed to be correct Once the nozzle health data base has been reset drop detection is forced The normal cause of this white point banding in a single color is the incorrect detection of failed nozzles by the drop detector Troubleshooting Print Quality Problems Print Quality General Advice 1 To achieve the best performance from the printer only genuine HP accessories and supplies should be used 2 Make sure that the paper type selected in the Front Panel is the same as the paper type loaded into the Printer 3 Make sure to use the most appropriate print quality settings for your purposes A lower print quality is likely to be seen if the print quality slider has been moved to the Speed end of the scale or the custom quality level set to Fast 4 Check that the environmental conditions temperature humidity are within the temperature humidity range as specifi
233. our Ink Cartridges View Ink Levels Direct Access Key E Pressing the View ink levels direct access key on the Front Panel will immediately show you the ink levels For more information about direct access keys see Using the Front Panel on page 1 3 Ink levels View Ink Levels from the ink menu Choosing the View ink levels option from the Ink menu will immediately show you the ink levels e View ink levels Replace ink cartridges Replace printheads Ink cartridge information Printhead information Obtaining Ink Cartridge Information 1 Scroll to the Ink Menu icon and press OK Ink HP Designjet T Series Service Manual 1 41 Ink Supplies Troubleshooting 2 Inthe Ink Menu submenu scroll to Ink cartridge information and press OK View ink levels Replace ink cartridges Replace printheads H Ink cartridge information Printhead information 3 In the Ink Cartridge Information submenu scroll to the Ink Cartridge that you want information on and press OK Ink cartridge information me View G ink cartridge V iew FK ink cartridge View ME ink cartridge eVYiew Y ink cartridge eVYiew M ink cartridge eYiew C ink cartridge 4 The front panel displays information on the selected Ink Cartridge Use the Arrow keys to scroll through the information G ink cartridge Gray Product name HP 2 Product number C4394 Serial number 836412 50 14 status Ink level 36 ml Ca
234. ource prior to performing any maintenance e Prevent water or any other liquids from running onto electrical components or circuits or through openings in the enclosure Electrostatic discharge Refer to the beginning of Chapter 4 of this manual for precautions you should take to prevent damage to the Printer circuits from electrostatic discharge Safety symbols General definitions of safety symbols are given immediately after the table of contents WARNING The Warning symbol calls attention to a procedure practice or the like which if not correctly performed or adhered to could result in personal injury Do not proceed beyond a Warning symbol until the indicated conditions are fully understood and met CAUTION The Caution symbol calls attention to an operating procedure practice or the like which if not correctly performed or adhered to could result in damage to or destruction of part or all of the product Do not proceed beyond a Caution symbol until the indicated conditions are fully understood and met Table of Contents 1 Troubleshooting 2 System Error Codes 3 Service Tests and Utilities A Service Calibrations 5 Parts and Diagrams 6 Removal and Installation 7 Preventive Maintenance For information about Using this Manual please refer to the next page Table of Contents Using this manual Purpose This Service Manual contains information necessary to test calibrate and serv
235. ove one T 10 screw that secures the Starwheel Assembly to the Printer Remove one T 10 screw that secures the Starwheel Assembly to the Printer HP Designjet T Series Service Manual 6 214 Removal and Installation Starwheel Assembly 4 Carefully litt the Starwheel Assembly out of the printer Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual 6 215 Removal and Installation Print Zone Overdrive Print Zone Overdrive Removal Switch off the printer and remove the power cable 1 Remove the Starwheel Assembly on page 6 214 The Print Zone Overdrive is in two sections left and right This procedure describes the removal of both of the sections If you want to remove only one of the sections skip the steps for the other section 2 Remove one T 15 screw that secures the left clamp of the Print Zone Overdrive to the Platen 3 Lift attachment clamp vertically to release it from the Platen HP Designjet T Series Service Manual 6 216 Removal and Installation Print Zone Overdrive 4 Remove the clamp 5 Repeat steps 2 to 4 to remove the remaining five attachment clamps 6 Use a flat bladed screwdriver to unclip the left Print Zone Overdrive retaining clip and rotate the clip vertically HP Designjet T Series Service Manual 6 217 Removal and Installation
236. ow Position Sensor on page 6 53 6 Remove the Ink Supply Tubes Support Rail T1100 T1100ps T610 on page 6 55 7 Open the Carriage Cover eS 2S SS 8 Remove all the Printheads 6 156 HP Designjet T Series Service Manual Removal and Installation Line Sensor T1 100 T1 100ps T610 9 Remove the four T 15 screws that secure the Ink Supply Tubes to the Carriage Assembly mM ALT e g e 10 Carefully lift out the Ink Supply Tubes and close the carriage cover at the same time 11 Close and lock the Carriage Cover HP Designjet T Series Service Manual 6 157 Removal and Installation 12 Caretully move the Ink Supply Tubes into the print path 13 Unclip and slide off the small cover of the Carriage Assembly Carriage PCA 14 Remove one T 15 screws that secures the large cover of the Carriage PCA 6 158 HP Designjet T Series Service Manual Removal and Installation Line Sensor T1 100 T1 100ps T61 0 15 Remove the large cover of the Carriage PCA 16 Disconnect the Line Sensor electrical connection from the Carriage PCA 17 Carefully unroute the Line Sensor cable from the Carriage Assembly HP Designjet T Series Service Manual 6 159 Removal and Installation 18 Remove one T 10 screw that secures the Line Sensor to the Carriage Assembly 19 Remove the Line Sensor from Carriage Assembly a ae Fi ai 5 h Wid a pe When you finish installing or
237. pacity 69 ml Expiration date Jun 18 Manufacturer HP The information supplied is The color of the Ink Cartridge The make of the Ink Cartridge hp no 72 is recommended The product number of the Ink Cartridge The serial number of the Ink Cartridge The current status of the Ink Cartridge The current ink level of the ink cartridge in milliliters Original capacity of the ink cartridge in milliliters The Expiration Date of the ink cartridge The manufacturer of the Ink Cartridge hp is recommended The current warranty status of the Ink Cartridge HP Designjet T Series Service Manual 1 42 Ink Supplies Troubleshooting The printer consumes more gray ink ink than M C or Y This is not a problem and no action should be taken to correct this attribute of the printer In general the higher frequency of change is because Matte Black ink is the one that is used for lines and black objects in technical papers bond coated HW coated natural tracing paper etc which are the types of contents that are more commonly printed with this type of printer About gray ink The T Series Printers are the first HP Designjet technical products to include Gray ink One thing that users may notice is that Gray ink is used in higher quantities than Cyan Magenta and Yellow inks This happens because of the following reasons 1 Gray areas which are very typical in technical drawings can now be printed by using only G
238. power On the Printer 2 Open the Window and check for any visible obstacles restricting the movement of the Media Advance Roller If there is a wrinkled mass of media inside the paper path litt the Pinch wheels using Media Lever and clear the obstruction 3 Perform the Paper Drive diagnostic test to troubleshoot the problem turthe See 2 Paper Drive on page 3 18 2 17 HP Designjet T Series Service Manual System Error Problem Description Corrective Action 1 2 System Error Problem Description Corrective Action System Error Problem Description Corrective Action 1 HP Designjet T Series Service Manual System Error Codes Full Descriptions If the printer has a 44 inch scan axis and a Rewinder perform the Rewinder diagnostic test to troubleshoot the problem further See 6 Rewinder on page 3 34 Check that the Media Advance Drive cable is not damaged and is correctly connected to the Main PCA Replace the Media Advance Drive See Media Advance Drive on page 6 22A If the System Error continues replace the Main PCA See Starwheel Assembly on page 6 214 41 1 YZ Electrical fault or current limit in Media Axis Motor Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer Open the Window and check for any visible obstacles restricting the movement of the Media Advance Rolle
239. printheads using the Change Printheads procedure Changing a Printhead on page 1 46 Once you have inserted the dummy printheads using the Change Printheads procedure perform the Purge Tubes utility as follows 1 In the Service Utilities submenu scroll to Purge Tubes and press OK Service utilities Turn Drive Roller Purge Tubes E Diagnostic Print e Set Date and Time e Enable Disable Firewall Reset User life counters L F ae oe fi ula 2 The Front Panel prompts you to confirm that the dummy printheads are correctly inserted If the dummy printheads are correctly inserted press OK If you have not inserted the dummy printheads press BACK or CANCEL to exit the test Insert the dummy printheads using the Change Printheads procedure See Changing a Printhead on page 1 46 Check that all the dummy printheads are inserted in Press UK to accept or BACK CANCEL to exit The system is going to reboot After then the automatically 4 Once the tubes system has been purged the following message will instruct you to open the Window and the carriage to access the printheads aT NC 5 Once you have opened the carriage cover the Front Panel prompts you to verify that the Setup Printheads contain ink If the Ink Supply Tubes have been primed correctly the windows will contain ink If the windows on top of HP Designjet T Series Service Manual 3 59 Service Tests and Utilities 10 LL 3 60
240. problem This plot helps you to visually check any alignment problems of the printer You use it to precisely measure the alignment error with a 3 dot row accuracy For the printer to be considered correctly aligned the results must be within 3 dot row HP Designjet T Series Service Manual 1 20 Print quality troubleshooting The illustration shows the complete Printhead Alignment that identities each of the specitic alignment test results covered ee 2 a Ae N i MW a MMT Bi E A a b SH D an E E Se E E E A nt nm hm hi i AH C EDEN D EN E o TT E ae i DAIA E LEDE m im o Di hein sapaleibidin at ba he a d IL TR a ENT iti Ea PEO aE ie ALL Hi Area A ee ea i g PN I SHRB UMNRUM Bis e oS 4H HR NIEA J Pee mah The Printhead Alignment Diagnostic print shows the following diagnostic test results a Line Sensor Calibration b Pen to Pen Align Carriage thetaZ d Bidirectional align high e Bidirectional align Low For tests a b and c the order of the color band is TT eee For tests e and f the order of the color band is CE Gaia O oo e S S i i Once the printer has correctly printed and scanned the Printhead Alignment Diagnostic print the Front Panel displays the results The top row displays the printhead and the left column displays the test HP Designjet T Series Service Manual 1 21 Print quality troubleshooting The results are seperate
241. program with a memory leak is executed a lot the memory becomes progressively full since it is not properly treed When the leak becomes too big the printer is left out of memory to execute new processes and a 79 04 is triggered E Concurrence issues there are certain resources that can be accessed by multiple programs or by multiple executions of the same program what is known as multiple threads Access to these resources must be correctly controlled to prevent unexpected behavior Issues caused by an incorrect control of these resources are concurrence issues In the tollowing you have a simple example let s imagine that there is a counter that controls the communication between the JetDirect card and the printer s firmware Whenever a new packet of information is sent by the JetDirect card to the printer the counter increases When the printer receives the packet and processes it correctly the counter decreases Another process checks the counter from time to time to see its value and take conclusions from it If the counter is near O it means that the printer is processing correctly and if it grows too big it may mean that there is a bottleneck somewhere and maybe the JetDirect card throughput is decreased to control its speed to the printer However if the access to this counter is not properly controlled undesirable effects may happen in a real environment a JetDirect card processes thousands of information packets per
242. r If there is a wrinkled mass of media inside the paper path lift the Pinch wheels using Media Lever and clear the obstruction Perform the Paper Drive diagnostic test to troubleshoot the problem furthe See 2 Paper Drive on page 3 18 If the printer has a 44 inch scan axis and a Rewinder perform the Rewinder diagnostic test to troubleshoot the problem further See 6 Rewinder on page 3 34 Check that the Media Advance Drive cable is not damaged and is correctly connected to the Main PCA Replace the Media Advance Drive See Media Advance Drive on page 6 Zee If the System Error continues replace the Main PCA See Starwheel Assembly on page 6 214 42 03 Scan Axis Motor failure likely due to obstacles in the scan axis or electrical fault Try the following E Same as 42 YZ but after testing the issue is repeatable 42 YZ Scan Axis Motor failure likely due to friction or obstacles in the media path Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer System Error Codes System Error Problem Description Corrective Action 1 2 19 Open the Window and check for any visible obstacles restricting the movement of the Media Advance Roller If there is a wrinkled mass of media inside the paper path lift the Pinch wheels using Media Lever and clear the obstruction Perform the Scan Axis diagnostic
243. r 71 19 Recovery Others 2 The Front Panel will show the 13 Error 71 19 Recovery submenu 13 Error 71 19 Recovery Set Serial Number Select Right S N 3 Inthe 13 Error 71 19 Recovery submenu scroll to Set Serial Number and press OK to start the test 4 The Set Serial Number test starts and the front Panel displays the following messages Checking SE Log Starting Horsburgh amp Mips Starting NvmBackup Starting NvmMain Getting Serial Number Checking Serial Number Starting Nvm Getting Part Number 5 The Front Panel prompts you to enter the Serial Number SE 71 19 Recovery Current Serial Number MYECJACAOK Mew Serial Number Mec JACeer Use UP DOWN to scroll BACK to move cursor or OK to confirm HP Designjet T Series Service Manual 3 5 1 Service Tests and Utilities 10 m 12 13 3 52 Use the UP DOWN and BACK keys to select each character of the Serial Number and use the OK to confirm Once you have entered and confirmed the Serial Number the Front Panel prompts you to confirm your selection a second time SE 71 19 Recovery Mew serial number PMYECJACOOK Part Number 66874 Press OK to confirm or BACK to modify If the new Serial Number is correct press OK If it is NOT correct press BACK to change the Serial Number Once you have confirmed the new Serial Number the Front Panel prompts you to change the part number of the unit SE 71 19 Recovery
244. r ON and OFF E Menu Use the Menu key to enter the main menu E Back Use the Back key to go back to the previous menu or reject test results Service Key Combinations E Diagnostic mode With the printer OFF press and hold the UP and OK keys While holding the Up and OK keys down press and hold the Power key to turn on the printer Hold all three keys until the Power key stops flashing usually about 5 seconds Service Menu Service Engineers Only From the main menu press and hold the Up and Cancel keys E Service Menu For users From the main menu press and hold the Down and Cancel keys HP Designjet T Series Service Manual 3 5 Service Tests and Utilities Entering the Service Tests Menu In order to enter the Service Utility Menu see Entering the Service Utilities Menu on page 3 56 Make sure the printer is switched OFF from the power switch on the front of the printer and NOT from the power switch on the back of the printer For On Site Engineers hold the Up arrow key and the OK key down and switch the printer ON using the front power switch Wait until the LED of the power switch stops flashing usually atter 5 seconds before releasing ALL three keys Once inside the Service Tests Menu use the Arrow keys to scroll through the Service Tests selections Press the OK key to begin a specific test when the required Service Test is highlighted owt Paper Drive puo oro Electronics Module at D Carr
245. r from the printer 6 36 HP Designjet T Series Service Manual Removal and Installation Media Lever Media Lever Removal Switch off the printer and remove the power cable 1 Open the Ink Cartridge Door 2 Press the clip to release the Left Cover Finishing Panel 3 Remove the Left Cover Finishing Panel HP Designjet T Series Service Manual 6 37 Removal and Installation 4 Unclip the spring from the attachment points on the Media Lever and Left Cover 5 Remove three T 15 screws that secure the Media Lever 6 Lift the Media Lever of the mounting 6 38 HP Designjet T Series Service Manual Removal and Installation Media Lever 7 Remove the Media Lever from the printer HP Designjet T Series Service Manual 6 39 Removal and Installation Media Lever Position Sensor Removal Switch off the printer and remove the power cable 1 Raise the Media Lever 2 Remove the Left Cover on page 6 30 3 Disconnect the Media Lever Position Sensor 4 Remove one T 15 screw that secures the Media Lever Position Sensor to the Scan Side Panel 5 Rotate the Media Lever Position Sensor vertically to disengage the attachment lug from the Scan Side Panel 6 40 HP Designjet T Series Service Manual Removal and Installation Media Lever Position Sensor 6 Remove the Media Lever Position Sensor When you finish installing or replacing this component
246. rams Miscellaneous Parts Miscellaneous Parts Q6683 6 018 T1100 T1100ps Q6687 6 7008 T610 Preventive Maintenance Kit 1 CK837 67018 CK839 67006 T1100 Q6683 60187 T1100ps T610 Preventive Maintenance Kit 2 Service Station CK837 67022 Q5669 60713 Preventive Maintenance Kit 3 Cutter Q6683 60241 yoo All 24 inch Paper Advance Calibration Kit Q6687 60093 44 inch Harness Cables includes Left ISS Right ISS Printmech PCA ne Q6675 60092 7 a die T1100ps 24 inch and 44 inch T610 Harness Cables includes Left ISS Right ISS 24 inch and T1120 CK837 67008 44 inch T1120ps T620 Q6683 60213 Serial Number Label All All Ink System Purgers Q6675 67004 6 Units Ink System Purgers Q6675 67006 Double Sided Adhesive Pad HP Designjet T Series Service Manual 5 3 Parts and Diagrams New Formatter Design There are two modifications to the new Formatter Note that these changes do not effect the printer s performance E The current hard disk included in the Formatter PCA has been changed to a new type SATA To accommodate this new disk on the board the orientation of the disk has been rotated and the connectors have been moditied E The RAM memory included in the Formatter PCA has been moved from a memory module inserted in a slot to a new version integrated in the board found under the hard disk The photos below show the difference between the two styles of formatters old and
247. ration Pattern 3 When the following message appears on the front panel you must select whether you would like to continue with the calibration by pressing the OK key Press Back or Cancel to exit the calibration Print Calibration Pattern Press OK to proceed with Print Calibration Pattern or BACK CANCEL to exit 4 f paper is detected the printer will prompt you to remove the media If paper is NOT detected the calibration will continue 5 The Printer will start to calibrate the Analog Encoder and the following message will be displayed on the Front Panel Print Calibration Pattern Calibrating Analog Encoder If the Calibration is not done or if the values are out of the limits a warning message will appear on the Front Panel In this case try the following E Check that the Printer has the latest Firmware version If not update the Firmware to the latest version E Retry the Paper Advance Calibration 6 Once the Analog Encoder has been calibrated correctly the Front Panel prompts you to select the type of media you will use Use the Arrow keys to choose ROLL or SHEET media Press the OK key to start the media load process Print Calibration Pattern select paper Load sheet Press UP DOWN to change and OK to select HP Designjet T Series Service Manual 4 7 Service Calibrations 10 m 4 8 The Front Panel prompts you to select the paper category you will use for the calibration Use th
248. ray ink In the past these areas had to be printed by combining Cyan Magenta and Yellow inks This means that Gray ink is used more frequently than the rest of the inks C M Y which are now used less frequently so the difference in consumption is noticeable However overall the T Series Printers will actually need to use in total less ink to print gray areas than previous Designjet products 2 Soft colors can now be printed by combining C M and Y inks with Gray The addition of Gray ink softens the color improving transition areas It also allows printing soft colors by using less C M and Y These two types of contents are very typical and make the consumption of Gray to increase and the consumption of C M and Y to decrease Conclusion However no matter the combination of inks that are used when the total cc s of ink are added up the T Series Printers will always have a lower ink consumption than the HP Designjet 500 800 and 1000 series for equivalent contents with equivalent levels of print quality Changing an Ink Cartridge There are two occasions when you need to remove an ink cartridge E The ink cartridge is very low and you want to replace it with a full cartridge tor unattended printing you can use up the remaining ink in the first cartridge at a more convenient time E The ink cartridge is empty or faulty and you must replace it to continue printing Do not try to remove an ink cartridge while printing Remove an ink
249. rd Disk Drive T1120 T1120ps T620 ONLY 4 Remove the four crosstread screws that secure the Hard Disk Drive from behind 5 Turn the Formatter to the opposite side Disconnect and remove the Hard Disk Drive Take care not to damage the Formatter components under the Hard Disk Drive when you remove it HP Designjet T Series Service Manual 6 205 Removal and Installation Electronics Module Main PCA and PSU T1100 T1 100ps T610 Electronics Module Main PCA and PSU T1100 T1100ps T610 Removal Switch off the printer and remove the power cable 1 Remove the Left Cover on page 6 30 2 Disconnect all the connectors on the Electronics Module 3 Unroute all the cables disconnected in the previous step 4 Remove two T 15 screws that secure the Electronics Module to the Printer HP Designjet T Series Service Manual 6 206 Removal and Installation Electronics Module Main PCA and PSU T1100 T1 100ps T610 5 Remove one 7 15 screw that secures the Electronics Module to the Printer 6 Remove one T 15 screw that secures the Electronics Module to the Printer 7 Remove two T 15 screws that secure the Electronics Module to the Printer HP Designjet T Series Service Manual 6 207 Removal and Installation Electronics Module Main PCA and PSU T1100 T1 100ps T610 8 Remove one T 15 screw that secures the Electronics Module to the printer 9 Carefully lift the Electronics Module out of
250. re Even if the currently installed firmware version is the latest one re install it Send the job using different print settings The tollowing ones can be helpful a Try sending the job without selecting a media profile in the driver b Try changing the Image Quality settings c If you are using the HP GL 2 driver try the option Send job as bitmap d If you are using the PS driver try using the HP GL 2 driver instead e If you are using the PS driver from an Adobe application or any other application that can handle PS try changing the application s print settings so that the PS is generated as Raster 4 Try the following Front Panel settings HP Designjet T Series Service Manual 9 44 System Error Codes 2 45 a Change the Print Language option in the Front Panel trom Automatic which is the default setting to the language that is being printed PS HP GL 2 b Queue OFF Start Printing After processing d For PS SKUs try changing the encoding setting Automatic by default to Binary or ASCII If you are using a 3rd party application that does not print through the HP driver try modifying the printing workflow by a Using an HP driver b Changing the settings in the application s printing dialog If you are using an accessory JetDirect card try using the internal network connector or USB if available Escalate the issue providing the following information E Unit information S N
251. responds to the paper type selected in the front panel and in the software You can verity the paper type selected through the Front Panel Main Menu Paper menu View loaded paper 2 Check that printing is on the correct side of the paper HP Designjet T Series Service Manual 1 28 Print quality troubleshooting 3 Check that the appropriate print quality settings are being used refer to the User s Guide for more information In many cases you can correct grainy printing by raising the print quality settings Reprint the job in case the problem has been solved 4 Check the Printhead alignment status If the status is PENDING perform the Printhead Alignment Main Menu Image Quality Maintenance Align Printheads Atter alignment reprint the job 5 Check the paper advance calibration status If the status is PENDING perform the paper advance calibration Main Menu Image Quality Maintenance Paper Advance Calibration Calibrate Paper Advance 6 After Paper Advance Calibration reprint the job Paper is not Flat Description of problem If the paper does not lie flat when it comes out of the Printer but has shallow waves in it you are likely to see visible defects in the printed image such as vertical stripes This can happen when you use thin paper that becomes saturated with ink Shown below is an example of what you might see if you have problems with the paper not being flat Corrective Action 1 Check that the paper
252. ress UP DOWN to change and 0K to select 3 The Front Panel displays the OK screen and then returns you to the service utilities submenu New Left Spittoon 13 Enable Hide Front Panel Information The purpose of this utility is to hide the IP address and connection information that is normally visible on the Front Panel The test is used for security purposes 1 In the Service Utilities submenu scroll to Enable Hide FP Information and press OK 3 70 Service utilities RF Reset User Lite COUNTEPrs Enable Disable sleep mode H Disk Wipe DoD 5220 228M B SNMP New Left Spittoon Enable Hide FP information Enable Disable Portzde HP Designjet T Series Service Manual Service Utilities 2 Use the Up and Down keys to select On or Off and press OK to confirm your selection Hide FP information 3 The Front Panel returns you to the service utilities submenu 14 Enable Disable Port 280 This a security feature With this utility we enable disable port 280 communication with the printer 1 In the Service Utilities submenu scroll to Enable Hide FP Information and press OK Seryice Utilities F Reser User Lite counters e Enable Disable sleep mode Disk Wipe Dob S220 220M m SNMP me New Left Spittoon H Enable Hide FF information gt Enable Disable Partzae 2 Use the Up and Down keys to select Enable or Disable and press OK to confirm your selection Enable Dis
253. rews that secure the Service Station to the Carriage Rail To avoid damaging the Encoder Strip you can use a standard screwdriver Support the Service Station so it does not fall when you remove the attachment screws 6 63 Removal and Installation 11 Unclip the clip to release the Service Station from the printer 12 Lower the Service Station until you can slide it caretully from the printer 13 Caretully slide the Service Station from the printer When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 6 64 HP Designjet T Series Service Manual Removal and Installation Service Station T1 120 T1 120ps T620 Service Station T1120 T1120ps T620 Removal Switch off the printer and remove the power cable 1 Remove the Right Cover on page 6 27 2 Disconnect the two lower connectors 3 Unsnap the clamp from the bottom of the metal sideplate 4 Remove the grounding cable attachment screw from the metal sideplate HP Designjet T Series Service Manual 6 65 Removal and Installation 5 Disconnect connector from the Primer Motor and Primer Sensor 6 Unroute the cables disconnected in steps 4 and 5 from the two cable clamps 7 Loosen the T 10 uncapping screw sufficiently so you can manually move the Carriage Assembly
254. rform a Line Sensor Calibration See Line Sensor Calibration on page saes E Replace the Line Sensor See Line Sensor T1120 T1120ps T620 on page 6 161 E It the problem continues replace the Media Advance Driver See Media HP Designjet T Series Service Manual 4 11 Service Calibrations Advance Drive on page 6 224 Drop Detector Calibration The purpose of this Service Calibration is to calibrate the Drop Detector located in the Service Station in relation to the Carriage Assembly There are two menu options to calibrate the Drop Detector E Calibrate Drop Detector E Reset Calibration Flag Always pertorm the Reset Calibration Flag calibration BEFORE calibrating the drop detector Service calibrations also need to be performed after removing or replacing certain printer components If you have removed or replaced printer components check the Service Calibration Guide to Removal and Installation on page 6 5 to see which tests and calibrations you need to perform Reset Calibration Flag In the Service Calibrations submenu scroll to Drop Detector Calibration and press OK Service calibrations e Scan Axis calibration e Service Station Paper advance calibration H Drop Detector calibration Line Sensor calibration Carriage PCA In the Drop Detector Calibration menu scroll to Reset Calibration Flag and press OK Drop Detector calibration e Calibrate Drop Detector Reset Calibration Flag 3 When
255. riage Starting SVS Motor HP Designjet T Series Service Manual 3 7 Service Tests and Utilities Starting Carriage Motor Starting Service Station Starting Scan Axis Moving SVS out of Scan Homing Scan Axis Move Carriage out of SVS path Homing Service Station Starting Servicing Services Capping Service Station Uncapping Service Station Starting Star Wheels Motor Doing Dummy Cycles Getting SWL path length Checking SWL length 5 The printer displays the test results and prompts you to continue Star Wheel Lifter Doing dummy cycles 3800 3600 Press OK to continue or BACK CANCEL to exit 6 Press OK to continue Once you continue the test the Front Panel displays the following messages E Checking SWL PWM Forward Moving amp Getting traces Moving SWL Motor Dumping motor traces Analyzing motor traces Checking PWM results Checking SWL PWM Backward Moving amp Getting traces Moving SWL Motor Dumping motor traces Analyzing motor traces Checking PWM results It there is a Failure at any point during the test the Front Panel will display the relevant System Error Code To trouble shoot any displayed error codes see System Error Codes Full Descriptions on page 2 10 3 8 HP Designjet T Series Service Manual Service Tests Diagnostics 7 Once the test has been completed the Front Panel displays the test results Star Wheel Lifter PWM Results FW BW 3597 1508 2
256. rify the media type selected through the Front Panel Main Menu Paper menu View loaded paper The wrong type of paper selected will produce an offset error in the Paper Advance Some paper types are not suitable for Paper Advance Calibration Do NOT use colored papers or transparent materials such as translucent bond clear film matte film tracing paper or vellum 3 Paper Advance calibration from the user menu will only calibrate the Paper Advance for the paper type loaded in the printer at that moment 4 If Calibrate Paper Advance has mostly solved the problem try Adjust Paper Advance to fine tune the Paper Advance Main Menu Image Quality Maintenance Paper Advance Calibration Adjust Paper Advance Select the percentage of change from 100 to 100 To correct light banding decrease the percentage To correct dark banding increase the percentage 5 The Paper Advance calibration from the service menu will calibrate the Paper Advance for ALL paper types This action is recommended when E The Paper Advance calibration from the user menu does NOT solve the problem E The Paper Advance problems affect ALL paper types The procedure for Paper Advance Calibration from the service menu is documented in Chapter 5 Service Calibrations See Paper Advance Calibration on page 4 6 Printhead Alignment To ensure you obtain meaningful results use the same type of media that the customer was using when they encountered the image quality
257. rint Use the Arrow keys to scroll to your paper category and press the OK key to continue the media load process HA Bond and Coated Paper Photo Faper Film Technical Paper Backlit material Self Adhesive material 23 The Front Panel prompts you to select the specific type of paper you used for the calibration Use the Arrow keys to scroll through the menu and the OK key to select your paper type C HP Universal HG Photo C HF Universal SG Photo M Photo Gloss Paper Photo SG Satin Paper C Photo Matte Paper 24 Load the Calibration Pattern following the instructions on the Front Panel Once the Calibration Pattern is loaded correctly the following message will be displayed on the Front Panel Press the OK key to continue Press OK to proceed with pattern scanning 25 The Printer will scan the Calibration Pattern which could take several minutes Once the calibration is completed successtully the following message will be displayed on the Front Panel Press the OK key to continue Scan Calibration Pattern Calibration Successful ly Completed Press OK to continue If the Paper Advance Calibration fails for any reason a warning message will appear on the Front Panel In this case try the following E Check that the Calibration Pattern was not incorrectly cut trimming the actual pattern during the media load process If this is the case perform the Paper Advance Calibration again from step 1 E Pe
258. rinting 2 44 Appendix B Updating firmware in diagnostics boot mode 2 47 Appendix C Obtaining printer logs 2 48 HP Designjet T Series Service Manual 2 1 Introduction Introduction Understand System Error Codes System error codes are hexa decimal based numbers generally caused by internal system errors The following pages contain a list of system error codes and their respective descriptions and recommended corrective actions Only try one recommended action at a time and check if the error code has disappeared It you have an error code which is not documented in this Service Manual or you have an error which you cannot resolve then report the error to the HP Response Center or the nearest HP Support Office When reporting the error have the following information ready E Model and Serial Number of the printer Which firmware revision the printer is using See Note below Check firmware in Setup Menu Information Menu Show Printer Information E The complete error number See Note below E The Service Configuration Print E The Current configuration sheet Which software application the customer is using name version etc When reporting the System Error Code make sure that you supply the full Internal Error Code and the firmware version Without this information HP Support Personnel cannot help you To view the Internal Error Code hold the UP key and press the CANCEL key at the same when the System Er
259. rocedure from the front panel and are still experiencing image quality problems you can try cleaning the printhead nozzles manually using the following procedure This is a delicate process and may damage the printhead Do not touch the electrical connections on the backside of the printhead HP Designjet T Series Service Manual 1 53 Troubleshooting You must remove the printhead see Changing a Printhead on page 1 46 and using a cotton swab and a little de ionized distilled water or Carriage Interconnect Wiper clean the bottom of the printhead until the residue is removed Flex Contacts Cleaning Tool The Flex Contacts Cleaning Tool is part of the Maintenance Tool Kit which can be ordered using Part Number Q5669 60690 All the instructions needed to use the Flex Contacts Cleaning Tool will be packaged with the kit Whenever you replace the Printhead check the empty slots to see if they need cleaning In extreme circumstances when a Printhead is inserted it is possible that the Printer will not recognize it due to the build up of ink on the electrical connection between the Printhead and the Carriage Assembly Included with the printer is a Flex Contacts Cleaning Tool This tool is provided in a separate package It also contains replacement sponges and an instruction sheet This tool should be used for cleaning the electrical interconnects of both the Carriage Assembly and the Printhead iy J wa q 4 ry i S
260. ror Problem Description Corrective Action 1 2 System Error Problem Description Corrective Action 1 2 System Error Problem Description Corrective Action 1 HP Designjet T Series Service Manual System Error Codes Full Descriptions 77 YZ Web access application The web server is not functioning correctly Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer Check that the Printer has the latest Firmware version If not update the Firmware to the latest version 78 08 The job received can not be printed without borders on this paper Try the following Use a paper that supports borderless printing This system error code does NOT require service help It should be resolved by the customer 78 1 YZ Media settings area missing in media settings file Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer Check that the Printer has the latest Firmware version If not update the Firmware to the latest version Update the OMES 79 YZ Generic Firmware error Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer Check that the Printer has the latest Firmware version If not
261. ror When you reporting the system error code get the printer logs to further understand the system error code To get the printer logs see Appendix C Obtaining printer logs on page 2 48 Code is displayed on the Front Panel code axror h ever ity Error Priority 3 aa Id x1el ela Description STRING MEDIA JAM File Is is the code definition required hen escalating a problem HP Designjet T Series Service Manual 2 2 System Error Codes Printer logs It is possible to have the printer log all the activities it performs in a log file To further understand a system error code it is useful to have a log showing the activities of the printer at the time when the system error occurred To get printer logs see Appendix C Obtaining printer logs on page 2 48 2 3 HP Designjet T Series Service Manual Replacing the PrintMech PCA Media Advance Encoder PCA and Formatter Replacing the PrintMech PCA Media Advance Encoder PCA and Formatter IMPORTANT Three rules for replacing these three service parts E Never install a previously used PrintMech PCA T1100 T1100ps T610 or Media Advance Encoder PCA T1120 T1120ps T620 into another printer E Never install a previously used Formatter Hard Disk Drive in any T Series printer E You must never replace both the Formatter Hard Disk Drive and the PrintMech PCA T1100 T 1100ps T610 or Media Advance Encoder PCA T1120 T1120ps T620 at the same ti
262. rough So when using an HP PostScript driver together with an application that has PS passthrough capabilities the PS code that comes into the printer has not been rendered by the HP driver and should the source file contain any PS commands that are not correctly processed by the printer a 79 04 system error could occur even though an HP driver is being used Solutions and workarounds When a job consistently generates a 79 04 system error it is either because of a issue in the printer s firmware or because of a defect in the job itself when it has been generated by 3rd party SW In order to identify the cause and find out a solution these issues should always be immediately escalated to the GBU through the GCC Also there are a set of workarounds and short term solutions that can be tested in order to get the customer up and running in the shortest possible time 1 Send the job using a variety of different settings Many times the issue is caused by a combination of the job contents combined with some specific setting s 2 Ifthe customer is sending the file directly to the printer try using the HP driver instead 3 Ifthe issue is occurring when printing through the HP PostScript driver from an application with PS passthrough try changing the options in the application so that it prints PS as raster the option is typically located in the Advanced options of the application s printing dialog Data related SE79 04
263. rt Number 3 48 HP Designjet T Series Service Manual Service Tests Diagnostics 4 The Front Panel shows the result of the test Unit Information Fil version TRE 1 4 Serial Number MyYsa761Cee 1 Part Number 66754 Press any key to finish 5 Press any key to continue 6 The Front Panel shows the test complete display for a few seconds Unit Information 7 The Front Panel prompts you to shutdown the printer to complete the test Unit Information Press any key to shutdown the system 8 Press any key to shutdown the printer 11 EEROM Reset The EEROM Reset test resets the printer to the factory defaults and delete any user information files 1 In the Diagnostics menu scroll to 11 EEROM and press OK Fo SENSU Ss a Rew inder IDS Service Station I O Information ria Unit Information EERUM Reset 2 The EEROM Reset test starts and the front Panel prompts you to request if you want to continue FEROM Reset All user informations files WiLL be removed Proceed TES Press UP DOWN to change and ENTER ta select HP Designjet T Series Service Manual 3 49 Service Tests and Utilities 3 If you do want to continue the test use the Arrow keys to select YES and press OK If you do NOT want to continue select NO and press OK 4 The EEROM Reset test continues and the front Panel displays the following message E Starting Horsburgh E Starting Nym E Getting Part Number E Setti
264. ry purging the Ink Supply Tubes again It could be that one of the cartridges is detective 5 It the problem persists replace the Ink Supply Tubes See Ink Supply Tubes T1100 T 1100ps T610 on page 6 191 or Ink Supply Tubes T1120 T1120ps T620 on page 6 197 System Error 31 02 Problem An error has been detected with the cutter Description Corrective Action Try the following 1 Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer 2 Check the Cutter Assembly for blockage or any other obvious problems 3 Replace the Cutter Assembly See Cutter Assembly on page 6 42 System Error 31 03 Problem Paper is loaded While testing the cutter paper should not be loaded Description Corrective Action Try the following 1 Switch the Power OFF from the back of the Printer and disconnect the Power cord 2 Unload the media 3 Reconnect the power cord and power On the Printer System Error 41 03 Problem Media Axis Motor failure likely due to friction or obstacles in the media Description path Corrective Action Try the following E Same as 41 YZ but after testing the issue is repeatable System Error 41 YZ Problem Electrical fault or current limit in Media Axis Motor Description Corrective Action Try the following 1 Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and
265. s Service Manual Appendix A How to troubleshoot SE 79 04 Because of this troubleshooting these issues is normally quite complex 1 Reboot the printer twice after the first reboot the printer will show the 79 04 system error again since the printer will attempt to reprint the last job in the queue If the issue continues occurring randomly continue troubleshooting 2 Ifyou are using an HP driver update the driver to the latest version 3 Upgrade the printer s firmware Even if the currently installed firmware version is the latest one re install it 4 Try the following changes in the worktlow a Change the Print Language option in the Front Panel from Automatic which is the default setting to the language that is being printed PS HP GL 2 b Queue OFF Start Printing After processing A d For PS SKUs try changing the encoding setting Automatic by default to Binary or ASCII e Ifyou are using the HP GL 2 driver try sending the job as a bitmap 5 Ifyou are using a 3rd party application that does not print through the HP driver try modifying the printing workflow by a Using an HP driver b Changing the settings in the application s printing dialog 6 Escalate the issue with the following information E Unit information S N P N accessories E The printer information pages either printed and faxed or obtained through the Embedded Web Server E The System Error detailed information it can b
266. s Retrieve the logs trom the printer Disable the logs in order to avoid using more HDD space In order to activate the logs you need to boot the printer with a special combination of keys To enable the logs switch the printer OFF Then hold the OK key and the View Loaded Paper key at the same time and switch the power On by pressing the Power key Hold the three keys together during 5 seconds and then release them The logs are now activated View Loaded Paper Arrow keys View Ink Levels Cancel Form Feed and Cut Unload Paper Back E Once DO NOT REBOOT is displayed get at least the printer log file by going through the EWS go to the following page http lt IP gt hp device 3432 8828 tmp and download the printer log tile from there To do this click one time on the file and do a right click gt Save target Os The printer log file contains the logs of the printer activity since the last time the printer was rebooted Previous logs are automatically compressed when the printer reboots and are stored in gz files which contain the date and time of the reboot in the file name If you are interested in getting traces of the printer activity betore the last reboot you should download these gz tiles as well Once the desired log has been obtained remember to turn off the logging capability to avoid filling the HDD partition In order to disable this HP Designjet T Series Service Manual 2 48
267. s by relocating the image to the center of the page with the software application being used Ink marks on the back of the paper This can happen atter a lot of border less printing especially with non standard paper sizes Ink residues on the platen are likely to mark the back of the paper Corrective Action E Clean the platen with a soft cloth Clean each rib separately without touching the foam between the ribs HP Designjet T Series Service Manual 1 30 Print quality troubleshooting Problems with the Edges of objects Stepped or not sharp The edges of objects or lines appear to be poorly defined or lighter in density than expected Corrective Action E If the print quality slider has already been set to Quality in the Print dialog select the custom print quality options and try setting the quality level to Normal refer to the User s Guide for more information Darker than expected The edges of objects seem darker than expected Corrective Action E If the print quality slider has already been set to Quality in the Print dialog select the custom print quality options and try setting the quality level to Normal Black and white prints do not look neutral Consider printing in grayscale color options submenu inside the printing preference menu See the User s Guide for more information Horizontal lines at the end of a cut sheet print There is a type of defect that only affects the end of a print wi
268. s that secure the Left Spindle Holder to the printer 3 Rotate the Left Spindle Holder towards the left 4 Remove the Left Spindle Holder from the printer 6 80 HP Designjet T Series Service Manual Removal and Installation Right Spindle Holder 24 ONLY Right Spindle Holder 24 ONLY The Right Spindle Holder is only applicable to the 24 inch model printers For the 44 inch model this is replaced by the Right Spindle Holder and Rewinder For 44 inch models see Right Spindle Holder and Rewinder T1120 T1120ps T620 on page 6 87 or Right Spindle Holder and Rewinder T1120 T1120ps T620 on page 6 87 depending on the model Removal Switch off the printer and remove the power cable 1 Remove the Spindle on page 6 79 mm 2 Remove two T 15 screws that secure the Right Spindle Holder to the printer the right HP Designjet T Series Service Manual 6 8 Removal and Installation 6 82 4 Remove the Right Spindle Holder from the printer HP Designjet T Series Service Manual Removal and Installation Right Spindle Holder and Rewinder T1100 T1100ps T610 Right Spindle Holder and Rewinder T1100 T1100ps T610 The Rewinder is only applicable to the 44 inch printers For the 24 inch models see Right Spindle Holder 24 ONLY on page 6 81 Removal Switch off the printer and remove the power cable 1 Remove the Spindle on page 6 79 2 Remove the Right Cover on page 6 27 3
269. s the OK screen and then returns you to the service utilities submenu Enable D1sable Sl epMode HP Designjet T Series Service Manual 3 66 Service Utilities 10 Disk Wipe DoD 5220 220M The purpose of this Service Utility is to securely erase data on the Hard Disk according to the directive DoD 5220 22 M The printer s hard disk is used as a temporary storage area for print jobs The Secure Disk Wipe utility can erase your information from the hard disk to prevent unauthorized access Secure Disk Wipe provides three different levels of security E Unsecure Mode all pointers to the information are erased The information itself is NOT erased and remains on the hard disk until the disk space it occupies is needed for new print jobs The new print information overwrites the old information While the information remains on the disk it is difficult for most people to access but may be accessed using software designed for that purpose This is the normal method in which files are erased on most computer systems it is the fastest method but the LEAST secure This is the default security level when using Secure Disk Erase 1 Pass Mode all pointers to the information are erased and the information itself is immediately overwritten with a fixed character pattern This method is slower than Non Secure Fast Erase but more secure It may still be possible to access fragments of the erased information by using special tools to d
270. se the Menu key to enter the main menu E Back Use the Back key to go back to the previous menu or reject test results Service Key Combinations E Diagnostic mode With the printer OFF press and hold the UP and OK keys While holding the Up and OK keys down press and hold the Power key to turn on the printer Hold all three keys until the Power key stops flashing usually about 5 seconds Service Menu Service Engineers Only From the main menu press and hold the Up and Cancel keys E Service Menu For users From the main menu press and hold the Down and Cancel keys HP Designjet T Series Service Manual 4 3 Service Calibrations Entering the Service Calibrations Menu 1 Once the message Ready or Ready for paper is displayed on the front panel press the Menu key Ready for paper http NPI 4AGCaASsbl sl http 2 16 25 94 58 2 To have the user to perform certain Service Utilities once inside the Main Menu press the Down arrow key and the Cancel key together You are now in the Service Tools Menu a8 8 H Ink 3 For On Site Engineers once inside the Main Menu press the Up arrow key and the Cancel key together You are now in the Service Menu Menu If the printer is not used for 135 seconds the printer exits out of the Service Utilities Menu and you must repeat the above steps to enter Service Calibrations again In some cases a quick press of a button may not be re
271. second so this counter is updated frequently both by the JetDirect and the printer If at a certain point the JetDirect and the printer try to access the counter at the same time and the code is not prepare to handle this it may happen that the JetDirect cannot increase the counter because the printer is writing to it and what s worse that it does not realize this fact If this happens a few times each second it may happen that the counter is decreasing faster than it s increasing and that at a certain point it has a negative value And then what will the process that is checking this counter do Most likely the process will not be prepared to react to a negative value and will launch an exception that will trigger a 79 04 system error Symptoms This type of 79 04 always occurs in heavy load conditions so the symptoms will always be similar to this pattern E A printer that is being heavily used printing a project or in a reprographics environment produces 79 04 errors randomly forcing the user to reboot E After rebooting the printer can be used without any issues for an extended period of time but if the workload is consistently high a random error will occur again E The error can never be associated with a specific file The file that was being printed when the error occurred the last time can be printed without issues atter reboot And a file that has been printed without issues several times can trigger the error in the f
272. semblies T1100 T1100ps T610 5 22 HP Designjet T Series Service Manual Parts and Diagrams Scan Axis Assemblies T1 120 T1120ps T620 Scan Axis Assemblies T1120 T1120ps T620 CK837 67017 24 inch CK837 67017 Encoder Strip including Encoder CK839 67005 Strip Spring and Nut AA inch Q5669 60673 Ter T1120 24 inch win e ssem Q6659 60175 y T1120ps 3 Q5669 60672 Belt Tensioner 6 141 CK837 67014 6 014 Ink Supply Tubes and Trailing Eu LA 67003 Cable a Keiers to the page in the Removal and Installation Chapter HP Designjet T Series Service Manual 5 23 Parts and Diagrams Figure 5 11 Scan Axis Assemblies T1120 T1120ps T620 5 24 HP Designjet T Series Service Manual Parts and Diagrams Paper Path Assemblies Front Paper Path Assemblies Front Q6683 60196 24 arr 22 Starwheel Assembly Q6687 60060 60060 44 arr 22 remem 60042 kariai inch Print Zone Pim Zone ovede 626 216 Q6677 60018 44 caret a 67054 Starwheel lifer ical 6 243 i 243 Q5669 60713 Cutter ae sey on 42 OT 60701 24 saa 05669 60701 Bleed Foam Kit 6 253 Q6659 60182 a Reters to the page in the Removal and Installation Chapter HP Designjet T Series Service Manual 5 25 Parts and Diagrams Paper Path Assemblies Front Figure 5 12 Paper Path Assemblies Front HP Designjet T Series Service Manual 5 26 Parts and Diagrams Paper Path Assemblies Rear Paper Path Assembli
273. signjet T Series Service Manual 1 7 The Media Basket was damaged during printer setup the printer the Rewinder will not function properly To further diagnose problems with the Rewinder See 6 Rewinder on page 3 34 HP Designjet T Series Service Manual 1 8 Print quality troubleshooting Print quality troubleshooting Print Quality Troubleshooting Actions For some Print Quality problems a Call Agent can try and troubleshoot the Printer by requesting the Customer to perform certain actions Using this process most problems can resolved without the need of an on site visit Use the Print Quality Troubleshooting Wizard to help customers with their print quality or color problems For information about how to use the Print Quality Troubleshooting Wizard see Print Quality Troubleshooting Wizard on page 1 34 When faced with a Print Quality problem perform the following actions in order to resolve the problem 1 Printer Configuration E Check that the paper type loaded corresponds to the paper type selected in the front panel and in the software You can verity the paper type selected through the Front Panel Main Menu Paper menu View loaded paper E Make sure that the correct Print Quality settings are used for different types of print content See Print Quality Troubleshooting Actions on page 1 9 for further information m Dry time should be set to Optimal 2 Perform Printhead recovery Main Menu Image Quality M
274. sition Sensor on page 6 53 6 Remove the Ink Supply Tubes Support Rail T1100 T1100ps T610 on page 6 55 7 Open the Carriage Cover RYN 8 Remove all the Printheads HP Designjet T Series Service Manual 6 167 Removal and Installation Carriage Cover and Carriage Latch T1100 T1 100ps T610 9 Remove the four T 15 screws that secure the Ink Supply Tubes to the Carriage Assembly te ee oo oo H Tg bah 10 Caretully lift out the Ink Supply Tubes and close the carriage cover at the same time 11 Close and lock the Carriage Cover HP Designjet T Series Service Manual 6 168 Removal and Installation Carriage Cover and Carriage Latch T1100 T1 100ps T610 12 Caretully move the Ink Supply Tubes into the print path 13 Unclip and slide off the small cover of the Carriage Assembly Carriage PCA 14 Remove one T 15 screws that secures the large cover of the Carriage PCA HP Designjet T Series Service Manual 6 169 Removal and Installation 15 Remove the large cover of the Carriage PCA 16 Disconnect the six ribbon cables of Carriage Cover from the Carriage Assembly PCB 17 Remove six T 10 screws that secure the Carriage Assembly Cover hinge 6 170 HP Designjet T Series Service Manual Removal and Installation Carriage Cover and Carriage Latch T1100 T1 100ps T610 18 Carefully lift the Carriage Cover in the vertical position to remove it from the Carriage A
275. spect to the print platen plane This allows media of different widths to be used without losing print quality Perform the Scan Axis Scan Axis test as follows Perform this test with the Printheads and the Tubes System installed in order to get values that can be compared correctly 1 In the Diagnostics menu scroll to 1 Sean Axis and press OK scan Axis Paper Drive Electronics Module Carriage Assembly Sensors Rewinder HP Designjet T Series Service Manual 3 11 Service Tests and Utilities 3 12 2 The Front Panel will show the 1 Sean Axis submenu e Star Wheel Lifter FRS e Scan Axis Cutter In the Scan Axis submenu scroll to Sean Axis and press OK to start the test The Printer will start the Scan Axis subsystem Common Initialization If there is a Failure at any point during the tests the Front Panel will display the relevant System Error Code To trouble shoot any displayed error codes seesee System Error Codes Full Descriptions on page 2 10 The printer then starts the Scan Axis test initialization As the test executes the Front Panel displays the following messages Starting Horsburgh and Mips Starting Nvm Starting PWWMManagerDelSol Starting Tests PWM Starting Tests GPIO Moving StarWheelLifter to lower bump The Front Panel then asks if the Starwheel Litter moved to the lower position Scan Axis Moving StarWheelLifter to lower bump Has the Start Wheel L
276. ss and subnet mask available gateways host and domain names etc In some cases there can be issues in the firmware that can cause a certain value in one of these tields to be interpreted incorrectly and this can lead to a 79 04 system error Symptoms There is no single set of symptoms that can absolutely pinpoint a network related 79 04 system error However the following guidelines can be applied E t can happen at start up or when accessing the Network Configuration section of the FP E In both cases repeating the action with the LAN cable disconnected does not cause the 79 04 to occur Solutions and workarounds In the majority of cases these issues will be due to an issue in the printer s firmware As soon as the conditions where the issue happens can be understood it should be escalated to the GBU through the GCC At the same time the following short term solutions and workarounds can help the customer to get up and running in the shortest possible time 1 Disconnect the network cable to be able to boot the printer and change network settings 2 In the Network configuration menu in the Front Panel disable any protocols that you are not using including IPv6 SNMP and WebServices HP Designjet T Series Service Manual 2 38 System Error Codes 3 If step 2 does not work try setting a manual configuration of the device 2 39 a Enter the correct subnet mask and an IP in the valid range b In the Ga
277. ssembly When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual 6 17 Removal and Installation Carriage Cover and Carriage Latch T1120 T1120ps T620 Carriage Cover and Carriage Latch 11120 T1120ps T620 Removal Switch off the printer and remove the power cable Remove the Right Cover on page 6 27 Remove the Left Cover on page 6 30 Remove the Front Panel on page 6 47 Remove the Top Cover on page 6 50 Remove the Window Position Sensor on page 6 53 Open the Carriage Cover Pe YS 7 Remove all the Printheads HP Designjet T Series Service Manual 6 172 Removal and Installation Carriage Cover and Carriage Latch T1120 T1120ps T620 8 Unscrew the small cover of the Carriage PCA 9 Remove the small cover of the Carriage PCA Disconnect the ribbon Trailing Cable trom the Carriage PCA HP Designjet T Series Service Manual 6 173 Removal and Installation Carriage Cover and Carriage Latch T1120 T1120ps T620 11 Remove the four T 15 screws that secure the Ink Supply Tubes to the Carriage Assembly 12 Caretully lift out the Ink Supply Tubes and close the carriage cover at the same time 13 Close and lock the Carriage Cover HP Designjet T Series
278. stallation Media Advance Roller T1 100 T1100ps T610 ONLY 8 Remove one T 15 screw that secures the Media Advance Roller locking plate to the printer _ 9 Rotate the Media Advance Roller locking plate counterclockwise approximately 10 degrees and remove it from the printer viewed from the rear of the printer 10 Remove four T 15 screws that secure the Media Advance Roller right support to the printer HP Designjet T Series Service Manual 6 230 Removal and Installation Media Advance Roller T1 100 T1100ps T610 ONLY _ T Remove the Media Advance Roller right support from the printer 12 Repeat steps 12 and 13 for the Media Advance Roller left support Remove two T 15 screws that secure the Media Advance Roller left locking plate viewed from the rear of the printer 14 Remove the Media Advance Roller left locking plate viewed from the rear of the printer HP Designjet T Series Service Manual 6 23 Removal and Installation Media Advance Roller T1 100 T1100ps T610 ONLY 15 Remove four T 15 screws that secure the Media Advance Roller left support to the printer 16 Remove the Media Advance Roller left support from the printer 17 Remove one T 15 screw that secures the Media Advance Roller center support locking plate HP Designjet T Series Service Manual 6 232 Removal and Installation Media Advance Roller T1 100 T1100ps T610 ONLY 18 With firm pressure re
279. t Print quality troubleshooting te Ee la a gis ee 2 een Fe Boke a z _ P se eee ee eee eg ey z ee ee ye et wp Fee parh Poe m bo r l o es oe Se a hoem es T So eee pe he ee ee Aregbe he mr erie ses be eget ee be SP eee S28 oe met gee on P Ss Tee ee demr ye e me r e a ren E E For Mac OS 1 From the HP Printer Utility under Mac OS select Support and then Print quality troubleshooting 2 From the Mac OS Print dialog go to the Services panel select Device Maintenance then select Print quality troubleshooting from the list of maintenance tasks i mgl ai ge ee HP Designjet T Series Service Manual 1 37 Ink Supplies Troubleshooting Ink Supplies Troubleshooting Introduction to ink supplies What are Ink Supplies For each of the ink colors used in the printer there are two components the Printhead and Ink Cartridge These components are called Ink Supplies a Ink Cartridges The printer s six Ink Cartridges provide matte black magenta yellow cyan gray and photo black ink to the Printheads The color Ink Cartridges supplied with the printer have a capacity of 69 ml but optional 130 ml are also available All these ink cartridges are physically the same size Only the internal capacity varies HP Designjet T Series Service Manual 1 38 Ink Supplies Troubleshooting The Ink Cartridges for the T printer series require no maintenance or cleani
280. t Q6675 67010 ORTON Oil Dispenser Q6675 60062 Spring Insertion Tool Q5669 20594 9667540035 MOREE Tweezers Q66 5 60037 T Series Cleaning Assembly C6071 60218 You will also need the following standard hand tools Long Torx Screwdriver 1 4 inch drive Torx Bit 75 mm N vA 6 4 HP Designjet T Series Service Manual Removal and Installation Service Calibration Guide to Removal and Installation Service Calibration Guide to Removal and Installation Using the Service Calibration Guide When you remove most printer components you will need to perform a particular set of Service Calibrations and Diagnostic tests to ensure proper printer performance The Service Calibration Matrix explains which service calibrations and diagnostic tests top row need to be performed whenever you remove and install particular printer components left most column A number in the body of the table indicates that the service calibration of the same column must be performed whenever you remove the corresponding component The calibrations must be performed in the order they are numbered Start by locating the component you have removed and installed in the lett most column Even if you do not replace the removed component with a new component you still need to perform the calibrations indicated by the matrix HP Designjet T Series Service Manual 6 5 Removal and Installation The Service Calibration Matrix Service Statio
281. t quality such as lines or dots missing from text graphics see Troubleshooting Print Quality Problems on page 1 24 Available Printheads HP 72 Gray amp Photo Black C9380A Printhead HP 72 HP 72 Magenta amp Cyan Printhead amp Cyan HP 72 Magenta amp Cyan Printhead 9383A HP 72 Matte amp Yellow com General Information About the Ink Supplies For optimum results from the printer and modular ink delivery system always follow these guidelines when handling the ink supplies E Always install the Ink Cartridges and Printheads before the expiration date which is on the packaging Install Ink Cartridges and Printheads in their color coded slots Follow the instructions on the front panel of the Printer during installation Avoid unnecessary removal of the Ink Cartridges and Printheads When turning off the Printer always use the power Off button on the front panel The Printheads are then stored correctly which prevents them from drying out E The Ink Cartridges should never be removed while the printer is printing They should only be removed when the printer is ready for you to replace them The front panel will guide you through the removal and installation procedure General Precautions When Handling Ink Supplies Use the following precautions when handling Ink Supplies Do not touch wipe or attempt to clean the printhead nozzles This can damage the printhead E Handle the ink supplies with care In par
282. t the printhead and the Replace message appears on the front panel display the printhead may need to be reinserted The front panel display confirms that all printheads are correctly inserted The printer will start checking and preparing the printheads The default HP Designjet T Series Service Manual 1 47 Ink Supplies Troubleshooting routine process when all printheads are changed takes 25 minutes If the printer finds problems in preparing the printheads it will take longer up to 55 minutes For a single printhead insertion the times vary between 15 and 35 minutes After all printheads are checked and prepared for the printhead realignment Aligning Printheads Precise alignment between printheads is essential for accurate colors smooth color transitions and sharp edges in graphical elements Your printer has an automatic printhead alignment process which runs whenever a printhead has been accessed or replaced In cases where the paper has jammed you have used a custom paper or are experiencing problems with color accuracy you may need to align the printheads If the paper has jammed it is recommended that you reinsert the printheads and initiate the realignment procedure with the Image Quality Maintenance menu Do not use transparent and semi transparent paper to align the printheads Photo paper is recommended for the best quality Reinsert Printheads Procedure 1 If the realignment process is running and the wron
283. tallation Pen to Paper Space PPS Solenoid T1 120 T1 120ps T620 Pen to Paper Space PPS Solenoid T1120 T1120ps T620 Removal Switch off the printer and remove the power cable 1 Remove the Right Cover on page 6 27 2 Unroute the Pen to Paper Space PPS Solenoid cable from the cable clamp 3 Disconnect the Pen to Paper Space PPS Solenoid connector from the L1 Data Harness 4 Remove two T 15 screws that secure the Pen to Paper Space PPS Solenoid to the printer HP Designjet T Series Service Manual 6 77 Removal and Installation 6 78 Remove the Pen to Paper Space PPS Solenoid from the printer When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual Removal and Installation Spindle Spindle Removal Switch off the printer and remove the power cable 1 Pull the left end of the Spindle viewed from the front of the printer out of the Left Spindle Holder 2 Lift the Spindle out of the printer towards the left viewed from the front of the printer HP Designjet T Series Service Manual 6 79 Removal and Installation Left Spindle Holder Removal Switch off the printer and remove the power cable 1 Remove the Spindle on page 6 79 2 Remove two T 15 screw
284. teWay field set the same value as in the IP address field c Do not set a host name or a domain name It step 3 does not work and the customer is using the network card which is part of the printer try using an accessory Jetdirect card instead User Interaction related SE79 04 In some cases the printer may not react as expected when a certain set of conditions coincide In these cases if the printer doesn t know how to react it may simple display a 79 04 system error and force a reboot Some examples not real that can help to illustrate this E An error occurs when a job is cancelled when it is at the Finishing print state and when the queue is disabled E An error occurs if the Window is opened while the printer is checking the printheads These errors will most likely only happen in very specific corner cases that have not been identified during the development or the qualitication of the printer so normally they do not severely impact the customer as they do not affect their regular working flows Symptoms The symptoms here are as numerous as the number of possible interactions between the user and the printer In any case it s possible to identify the steps that caused the error to occur and avoid them as the steps will always be the same with no variance Important An major element in determining the error is what the state the printer was in at the time the error was displayed Actions the user has made wh
285. test to troubleshoot the problem further See 1 Scan Axis on page 3 6 Check that there is no obstacle preventing the Service Station from working Perform the Service Station diagnostic test to troubleshoot the problem further See 8 Service Station on page 3 41 Check that the Scan Axis Motor cable is not damaged and is correctly connected to the PrintMech PCA Replace the Scan Axis Motor See Scan Axis Motor T1100 T1100ps T610 on page 6 142 or Scan Axis Motor T1120 1T1120ps T620 on page 6 146 If the System Error continues replace the PrintMech PCA See PrintMech PCA T1100 T1100ps T610 ONLY on page 6 73 44 YZ T1100 T1100ps T610 ONLY The 44 10 system error signities an electrical error with the Aerosol Fan or a connection error Please note that only T1100 T1100ps T610 printers manufactured before mid February 2008 have aerosol fans Try the following Did you replace the Formatter before the error occurred Is the printer a T1100 T1100ps T610 If so see If the error occurred after replacing the Formatter below Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer Check that the Aerosol Fan cable is not damaged and is correctly connected to the PrintMech PCA Replace the Aerosol Fan Assembly See Aerosol Fan Assembly T1100 T1100ps T610 ONLY on page 6 71 If the error occurred after replacing the formatter As a design
286. the Out Of Paper Sensor electrical cables from the Clean Out Assembly 4 Unroute unwind the Out Of Paper Sensor electrical cables from the Out Of Paper Sensor cover 5 Press the clip to remove the Out Of Paper Sensor cover from the Clean Out Assembly HP Designjet T Series Service Manual 6 9 Removal and Installation 6 Rotate the Out Of Paper Sensor cover approximately 45 degrees 7 Remove the Out Of Paper Sensor cover from the Clean Out Assembly 8 Squeeze the Out Of Paper Sensor attachment clips to remove it from the Clean Out Assembly 6 92 HP Designjet T Series Service Manual HP Designjet T Series Service Manual Removal and Installation Out Of Paper Sensor 9 Lift the Out Of Paper Sensor out of the Clean Out Assembly When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 6 93 Removal and Installation Left Roll Guide Removal Switch off the printer and remove the power cable 6 94 Remove the Spindle on page 6 79 Remove the Clean Out Assembly on page 6 90 Remove five T 15 screws that secure Left Roll Guide to the printer Lower the left end and remove the Left Roll Guide from the printer When you finish installing or replacing this component you must perform the
287. the Scan Axis submenu scroll to Cutter and press OK to start the test The Printer will start the Scan Axis subsystem Common Initialization and Cutter test initialization If there is a Failure at any point during the tests the Front Panel will display the relevant System Error Code To trouble shoot any displayed error codes see System Error Codes Full Descriptions on page 2 10 The printer then starts the Cutter test to verity the subsystem As the test executes the Front Panel displays the following messages Starting Horsburgh and Mips Starting Nvm Starting TestsGpio Getting Part Number Starting SvsMotor Starting CarriageMotor Starting ServiceStation Starting ScanAxis Moving SVS to rear bump Homing Scan Axis Move Carriage out of SVS path Homing Service Station Starting ServicingServices Capping Service Station HP Designjet T Series Service Manual Service Tests Diagnostics Uncapping Service Station Starting Cutter Starting PaperMotor Starting Media Sensor Reading Media Presence 5 If paper is already loaded the printer detects the paper and continues the test If paper is NOT loaded the Front Panel prompts you to load roll media raise the pinch Load the paper roll and lower the pinch lever Press any key to proceed Y 6 Raise the Media Lever load roll media lower the Media Lever and press any key to continue 7 The printer then starts an actual test cut o
288. the System Error continues replace the PrintMech PCA See PrintMech PCA T1100 T1100ps T610 ONLY on page 6 73 Warning 2x n 10 Problem Ink supply error found during IDS diagnostic test The n represents the ink Description supply that is failing The ink supply furthest to the left is always O and then they count up from left to right A00 DUN Left Ink Supplies Corrective Action Try the following E Replace the Left Ink Supply Station See Left Ink Supply Station on page 6 187 2 15 HP Designjet T Series Service Manual System Error Problem Description Corrective Action 1 2 System Error Problem Description Corrective Action 1 2 System Error Problem Description Corrective Action 1 System Error Codes Full Descriptions 22 0 YZ Left Ink Supply Station error Try the following Switch the Power OFF from the back of the Printer and disconnect the Power cord Reconnect the power cord and power On the Printer Check that the cables between the Left Ink Supply Station and Main PCA the are not damaged and are correctly connected Perform the Ink Delivery System diagnostic test to troubleshoot the problem further See 7 Ink Delivery System IDS on page 3 35 If the System Error continues replace the Left Ink Supply Station See Left Ink Supply Station on page 6 187 If the System Error continues replace the Main PCA See Electronics Module Main PCA and PSU T
289. the issue Perform each step as it appears in the list and only move on to the next step once you are sure the 79 04 error has not been cleared Front panel displays 79 04 at Start up 1 Reboot the printer twice If the System error has been caused by a job because its in an incorrect format rebooting twice will clear the error the first time after reboot the printer will attempt to print the job again and this will cause the error to re appear If rebooting the printer twice solves the issue then it is an issue related to the job and you should reter to page 2 Job related SE79 04 2 Upgrade the printer s firmware Even if the currently installed firmware version is the latest one re install it Since the printer cannot start normally you will need to upgrade the firmware while booting the printer in Diagnostics Boot Mode For this a special file and a special upgrade process will be needed For more information see Appendix B Updating firmware in diagnostics boot mode on page 2 47 3 Disconnect the network cable and restart the printer If this solves the problem then it is a network related 79 04 and you should follow the guidelines for this type ot 79 04 See Network related SE79 04 on page 2 38 HP Designjet T Series Service Manual 2 42 Appendix A How to troubleshoot SE 79 04 4 Remove all cartridges printheads and printhead cleaners if available Unload the media Restart the printer If the printer can start n
290. the printer to complete the test Press any key to shutdown the system 18 Press any key to shutdown the printer 9 I O Information The I O Information test retrieves the TC IP Network configuration parameters from the printer 1 In the Diagnostics menu scroll to 9 I O Information and press OK Diagnostics menu Po Surs A Rewinder IDS Service Station 9 IZO Information ria Unit Information 11 EEROM Reset HP Designjet T Series Service Manual 3 47 Service Tests and Utilities 2 The Front Panel displays the O Information 16 235 114 1 16 23 112 1 255 255 246 08 Press any key to finish 3 Press any key to finish 4 The Front Panel shows the test complete display for a few seconds Id Information 5 The Front Panel prompts you to shutdown the printer to complete the test Id Information Press any key to shutdown the system 6 Press any key to shutdown the printer 10 Unit Information 1 The Unit Info test retrieves the Firmware Version Serial Number and Part Number of the printer 2 In the Diagnostics menu scroll to 10 Unit Information and press OK eo SeMsurs Rewinder IDS Service Station 140 Information A Unit Information EEROM Reset 3 The Unit Information test starts and the front Panel displays the following message E Starting Horsburgh and Mips E Starting Nym E Getting FW version E Getting Serial Number E Getting Pa
291. thead Alignment Diagnostic Used to check pen alignment reliability E Visual Nozzle health Diagnostic Used to check nozzle health reliability E Force Drop Detection Used to reset the nozzle health historic data base and force new drop detection HP Designjet T Series Service Manual 1 15 Print quality troubleshooting Printing the Advanced Diagnostics Print 1 In the Service Utilities submenu scroll to Diagnostic Print and press OK Service utilities P Turn Drive Roller Purge Tubes Diagnostic Print me Set Date and Time Enable Disable Firewall Reset User life counters L L ae LLL fi ula 2 You will be given three options Use the Arrow keys to select the Advanced Diagnostics menu Jagnostic Print Image Quality Service Best Image Quality Service Normal Advanced Diagnostic Print 3 From the displayed options use the Arrow keys to make the required selection Paper Advance Printhead Alignment Diagnostic Nozzle Health Force Drop Detection or Print Banding Plot and press the OK key to start printing P Paper Advance P Printhead Alignment Nozzle Health Force Drop Detection Print Banding Plot 4 Make sure media is loaded the Media Lever is lowered and that the Ink System is correctly installed Press the OK key to print the Diagnostic Print or press Back Cancel to exit without printing the Diagnostic Print Visual Media Advanced Print Press UK to accept or BACK CANCEL to
292. thin approximately 30 mm of the trailing edge of the paper Some very thin horizontal lines may be seen across the print Corrective Action 1 Print the Service Image Diagnostics Print and clean any printheads that need cleaning Reprint the job in case the problem has been solved 2 Try printing with roll paper 3 Try using larger margins around the image Vertical lines of different colors The print has vertical bands of different colors along it HP Designjet T Series Service Manual 1 31 HP Designjet T Series Print quality troubleshooting Corrective Action Try using a heavier paper type When printing dense colors it is recommended to use HP Heavyweight Coated Paper or HP Super Heavyweight Coated Paper Use higher print quality settings refer to the User s Guide for more information White spots on the print White spots are seen on the print This is probably due to paper fibers dust or loose coating material Corrective Action Clean the paper manually with a brush before printing to remove any loose fibers or particles Always keep the cover of the printer closed Protect paper rolls and sheets by storing them in bags or boxes Problems with Color Accuracy Corrective Action Ensure that the paper type being used has been color calibrated which will give color consistency from print to print and from Printer to Printer Check that printing is on the correct side of the paper Check
293. this utility If the current RTC Clock cannot be set it could be a possible Firmware error Make sure you have the latest version of the Firmware 6 Restart the printer 7 Enable Disable Firewall The purpose of this Service Utility is to enable or disable the system firewall Perform the Enable Disable Firewall utility as follows 1 In the Service Utilities submenu scroll to Enable Disable Firewall and press OK Service utilities Turn Drive Roller e Purge Tubes Diagnostic Print e Set Date and Time e Enable Disable Firewall m Reset User life counters L L Mi ee Tmi fi lia 2 The utility checks to see if the firewall is enabled or disabled and the Front panel displays the following message 3 64 HP Designjet T Series Service Manual Service Utilities E Getting Information of Firewall 3 When the following message appears on the front panel you must select whether you would like to enable or disable the firewall Use the Up and Down keys to make your selection and press the OK key Enable Disable Firewall The Firewall is enabled Do you want to disable the firewall ENABLED Press UP DOWN to change and OK to select 4 The system upgrades the internal memory to reflect the chosen selection Enable Disable Firewall Setting Firewall 5 The Front Panel shows the test complete display for a few seconds Enable Disable Firewall 8 Reset User Life Counters The purpose of
294. this Service Utility is to reset the internal life counter for the cutter assembly Preventive Maintenance Kit 3 1 In the Service Utilities submenu scroll to Reset User Life Counters and press OK Service utilities me Turn Drive Roller e Purge Tubes Diagnostic Print e Set Date and Time e Enable Disable Firewall Reset User life counters ELD ors DaD ci cite HP Designjet T Series Service Manual 3 65 Service Utilities 2 The Front Panel prompts you to confirm that you would like to reset the user life counters Reset User Usage Current usage 0 Reset this Life counter Press UK to accept or BACK CANCEL to exit 3 Press OK to reset the user life counters If you are not sure press BACK CANCEL to exit this utility 4 The Front Panel shows the test complete display for a few seconds Reset User Usage 9 Enable Disable Sleep Mode 1 In the Service Utilities submenu scroll to Enable Disable Sleep Mode and press OK Service utilities FP keset User Lire counters g gt Enable Disable Sleep mode A Disk Wipe Dod S228 220M SNMP New Left Spittoon Enable Hide FP information gt Enable Disable Fortz 2 Use the Up and Down keys to select enable or disable and press OK to confirm your selection Enable Disable Sleephode The SleepMode is enabled Do You want to disable the Sleephode ENABLED Press UP DOWN to change and DE to select 3 The Front Panel display
295. ticular the Printhead which is a high precision device and must be handled caretully E Do not touch the Printhead nozzles E Do not put the Printhead down on the nozzles E Do not be rough when handling the Printheads Always set them down gently E Do not drop the Printheads E Proper handling will assure optimum performance throughout the Printhead life E Do not touch the end of the Ink Cartridge which is inserted into the printer as there may be a small amount of ink on the connection E Avoid storing partially used Ink Cartridges on their ends HP Designjet T Series Service Manual 1 40 Ink Supplies Troubleshooting When Should You Replace the Ink Supplies When to change the ink supplies is mostly determined by you with guidance trom the front panel In conjunction with the messages displayed in the front panel and the message explanations in this chapter you will be able to choose for yourself when is the right time to change the ink supplies The Printer will also display the ink level and will tell you when the ink supply is low on ink This means you have constantly updated information about the ink supplies Ink Cartridge Levels Information and Replacement Ink Cartridge Levels The front panel displays Ink Levels shown as level bars These bars represent how much ink is remaining in the Ink Cartridges as ink is used up the bars get shorter in length There are two methods for checking the ink levels of y
296. trical components or circuits or through openings in the module Electrostatic Discharge ESD Precautions To prevent damage to the Printer circuits from high voltage electrostatic discharge ESD 1 Do not wear clothing that is subject to static build up 2 Do not handle integrated circuits ICs in carpeted areas 3 Do not remove an IC or a printed circuit assembly PCA from its conductive foam pad or conductive packaging until you are ready to install it 4 Ground earth your body while disassembling and working on the Printer 5 After removing a cover from the Printer attach an earthing ground lead between the PCA common and earth ground Touch all tools to earth ground to remove static charges before using them on the Printer 6 After removing any PCA from the Printer place it on a conductive foam pad or into its conductive packaging to prevent ESD damage to any ICs on the PCA HP Designjet T Series Service Manual 6 3 Removal and Installation Required Tools All the special tools and equipment required to disassemble service and repair the Printer are provided in the Toolkit P N Q6683 67001 Some tools can be ordered seperately from the toolkit See Tool Kits on page 5 29 The Toolkit contains the following tools Q6675 6700 366754007 26675 6004 7300253 Flex Contacts Cleaning Support Q1271 40384 Lubricant Oil Q6675 60090 Media Driver Adjustment Tool Q6675 67009 Handle for Media Driver Tool Suppor
297. ual 6 220 Removal and Installation Left Spittoon 5 Rotate the Left Spittoon clockwise approximately 45 degrees and carefully lift it out of the printer HP Designjet T Series Service Manual 6 221 Removal and Installation Encoder Disk and Encoder Sensor Encoder Disk and Encoder Sensor The only differences between the T1120 T1120ps T620 and T1100 T 1100ps T610 service parts are the cable connection and analog encoder PCA Removal Switch off the printer and remove the power cable If you have a T1120 T1120ps T620 never replace the Encoder Disk and Encoder Sensor at the same time as the Formatter Hard Disk Drive If you must replace both parts always replace one restart the machine and then follow the procedure to replace the other If you have a T1120 T1120ps T620 never use a previously used Encoder Sensor PCA This can cause serious problems and may make the printer unusable For more information see Replacing the PrintMech PCA Media Advance Encoder PCA and Formatter on page 2 4 1 Remove the Lett Cover on page 6 30 2 Remove the Electronics Module Main PCA and PSU See page 6 206or 6 209 depending on the printer model 3 Remove the Left Spittoon on page 6 220 4 Remove the Encoder Disk straight off Media Advance Roller spindle lift it straight out of the printer The Media Advance Roller spindle is delicate Remove the Encoder Disk gently 5 Disconnect the Encoder Sensor connector
298. ual 7 5 Preventive Maintenance Preventive Maintenance Kit 2 The Preventive Maintenance Kit 2 is available in the following different versions T1100 T 1100ps T610 Printer Series 24 inch 44 inch P N Q6683 67006 Q6683 60187 Service Station SV T1120 T1120ps T620 Printer Series 24 inch 44 inch P N CK837 67022 CK837 6 022 Service Station SV Preventive Maintenance Kit 3 7 6 The Preventive Maintenance Kit 3 is available in the following different versions All Printer Series 24 inch 44 inch P N Q6683 67008 Q5669 60713 Cutter Assembly SV HP Designjet T Series Service Manual
299. ue Remove the media Press any key to continue The Front Panel then displays m PWM test without paper The Front Panel then displays the test results E The PWM avg results must be between 16000 and 14000 E The Speed error results must be less than 50 E The PWM StDev results must be between O and 500 E The PWM max results must be between 15000 and 20000 PWM avg 7717 66 94 speed errori 14 75 24 75 PWM stDev 44 435 57 70 PWM max 7922 00 8167 a0 Press OK to confirm or BACK CANCEL to reject HP Designjet T Series Service Manual Service Tests Diagnostics 22 Ifthe results are correct press OK to accept the results If the results are not correct press Back Canceel to reject the results and FAIL the test 23 If you accept the results the Front Panel shows the test complete display for a few seconds 24 The Front Panel prompts you to shutdown the printer to complete the test Press any key to shutdown the system 25 Press any key to shutdown the printer 3 Electronics Module The Electronics Module test diagnoses Failures of the following components E Main PCA components E Electronics Module to Carriage interfacing E Print Mech PCA components E Power Supply Unit voltages Diagnostic tests also need to be performed after removing or replacing certain printer components If you have removed or replaced printer components check the Service Calibration Guide to Remov
300. uture This error is very dependant of the workflow the customer has The most common user workflows have been extensively tested both by HP and by HP Designjet T Series Service Manual 2 40 Appendix A How to troubleshoot SE 79 04 our beta sites so it is highly unlikely to see random 79 04 issues in these cases These random issues tend to occur in very specific corner cases and cannot be reproduced unless the exact conditions of the workflow are replicated They normally happen when sending files generated by external applications RIPs 3rd party drivers etc Workarounds and solutions Random 79 04 errors are by far the most complex ones to diagnose and to tix The only solutions available in these cases are 1 Identify the root cause either in the files or in the firmware and fix it in the code which requires the intervention of the GBU 2 Test any options available to modify the customer s workflow and see if any combination of them solves the issue In both cases a profound understanding of the customer s workflow is necessary In particular the information that is needed is Printer front panel settings Application that is being used RIP or driver that is being used Application RIP Driver settings Type of output tiles this application RIP or driver is generating Some sample files that are representative of what the customer is using Operating System Method of connection to the printer A description of t
301. val Switch off the printer and remove the power cable Remove the Rear Tray on page 6 35 Remove the Right Cover on page 6 27 Remove the Left Cover on page 6 30 Remove the Rear Cover on page 6 36 Remove two T 15 screws that secure the Left Rear Tray Support to the printer Se a 6 Rotate the Left Rear Tray Support clockwise approximately 30 degrees HP Designjet T Series Service Manual 6 45 Removal and Installation 7 Remove the Left Rear Tray Support from the printer 6 46 HP Designjet T Series Service Manual Removal and Installation Front Panel Front Panel Removal Switch off the printer and remove the power cable 1 Open the Window 2 With strong pressure squeeze the top edge of the front panel enough to release the attachment clips and begin rotating the Front Panel vertically in the next step 3 Rotate the front panel vertically HP Designjet T Series Service Manual 6 47 Removal and Installation 4 Disconnect the interface cable from the Front Panel 5 Push in the clip that prevents the Ferrite Core from being removed 6 Slide the Ferrite Core out of the brackets 6 48 HP Designjet T Series Service Manual Removal and Installation Front Panel 7 Remove the Front Panel When you reinstall the Front Panel you must make sure that the Ferrite Core is correctly positioned The Ferrite Core is necessary to avoid electrostatic interference being g
302. ve the Encoder Strip Spring When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual 6 101 Removal and Installation Trailing Cable T1100 T1100ps T610 Removal Switch off the printer and remove the power cable 6 102 yao No Remove the Left Cover on page 6 30 Remove the Right Cover on page 6 27 Remove the Front Panel on page 6 47 Remove the Top Cover on page 6 50 Remove the Window Position Sensor on page 6 53 Remove the Ink Supply Tubes Support Rail T1100 T1100ps T610 on page 6 55 Loosen the T 10 uncapping screw sufficiently so you can manually move the Carriage Assembly in step 7 If you are uncapping a 44 inch printer you will need to use either a very long or very short screwdriver to loosen the uncapping screw In this way you can loosen the screw and pass the rewinder motor Push the Carriage Assembly into the print path HP Designjet T Series Service Manual Removal and Installation Trailing Cable T1 100 T1100ps T610 9 Unclip the small cover of the Carriage PCA 10 Remove the small cover of the Carriage PCA 11 Disconnect the two ribbon cables of the Trailing Cables from the Carriage PCA HP Designjet T Series Service Manual 6 103 Re
303. with the right Top Cover Support Then make sure that all the attachment brackets and bonding leads are correctly connected These are important to avoid electrostatic interference being generated When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 6 58 HP Designjet T Series Service Manual Removal and Installation Ink Supply Tubes Support Rail T1 120 T1120ps T620 Ink Supply Tubes Support Rail T1120 T1120ps T620 Removal Switch off the printer and remove the power cable Remove the Right Cover on page 6 27 Remove the Left Cover on page 6 30 Remove the Front Panel on page 6 47 Remove the Top Cover on page 6 50 Remove the Window Position Sensor on page 6 53 6 Remove two T 15 screws that secure the Ink Supply Tubes Support Rail to the right Top Cover Support 1 2 a 7 Carefully slide the Ink Supply Tubes Support Rail to the left until the right end is clear of the right Top Cover Support HP Designjet T Series Service Manual 6 59 Removal and Installation Remove the Ink Supply Tubes Support Rail from the printer When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Insta
304. ws that secure the Scan Axis Motor to the printer HP Designjet T Series Service Manual 6 143 Removal and Installation 9 Unroute the Scan Axis Motor supply cable from the cable clamp 10 Disconnect the Scan Axis Motor supply connector from PrintMech PCA 11 Remove three T 15 screws that secure the Scan Axis Motor to the printer 6 144 HP Designjet T Series Service Manual Removal and Installation Scan Axis Motor T1 100 T1 100ps T610 12 Carefully pull the Scan Axis Motor out of the printer 10 mm until you can rotate it approximately 30 degrees counterclockwise 13 Remove the Scan Axis Motor from the printer When you finish installing or replacing this component you must perform the necessary Service Calibrations To find which calibrations you must perform see Service Calibration Guide to Removal and Installation on page 6 5 HP Designjet T Series Service Manual 6 145 Removal and Installation Scan Axis Motor T1120 T1120ps T620 Removal Switch off the printer and remove the power cable The only difference between the T1120 T1120ps T620 and T1100 T1100ps T610 Scan Axis Motor is the cable harness 1 Remove the Right Cover on page 6 27 2 Remove the Left Cover on page 6 30 3 Loosen the T 10 uncapping screw sufficiently so you can manually move the Carriage Assembly in step 4 4 Push the Carriage Assembly into the print path 6 146 HP Designjet T Series
305. y has some defective segments a 79 04 may occur when these segments are used E Intermittent defects in the electronic components that are involved in the HP Designjet T Series Service Manual 2 4 Appendix A How to troubleshoot SE 79 04 processing of a job Carriage PCA Trailing cable Formatter and Print Mech This is a highly unlikely cause since defects in these components will produce subsystem specitic errors Symptoms There s no single set of symptoms behind hardware related 79 04 system errors The most usual ones however are E 79 04 during start up Rebooting the printer may or may not solve the problem E 79 04 while processing or printing a job Rebooting the printer and printing the same job does not always produce the error Solutions and workarounds In the following procedure perform each step as it appears in the list and only move on to the next step once you are sure the 79 04 error has not been cleared 1 Reboot the printer in Diagnostics Boot mode and execute the service tests to validate the functionality of all the electronics components E Execute the troubleshooting for data related system errors refer to page 3 Data related SE79 04 2 Replace the memory Replace the HDD 4 Escalate the issue before replacing any additional parts G3 Troubleshooting based on symptoms This section will describe which troubleshooting steps to perform for a 79 04 system error based on the symptoms of
306. yed the relevant preventive maintenance kit must be used to replace the most worn parts of the printer Use the Removal and Installation Chapter of this Service Manual as a guide to replace the necessary parts 7 4 HP Designjet T Series Service Manual Preventive Maintenance Kits Preventive Maintenance Kits Preventive Maintenance Kit 1 The Preventive Maintenance Kit 1 is available in the following different versions T1100 T 1100ps T610 Printer Series 24 inch P N Q6683 67007 Q6683 6 017 Carriage Assy SV Q6683 60195 Ink Supply Tubes 24 SV Q5669 60673 Belt Assy 24 SV Q5669 606 4 Scan Axis Motor SV Q5669 60692_ Lubrification Kit SV T1100 T1100ps T610 Printer Series 44 inch P N Q6687 67003 Q6687 6 009 Carriage Assy SV Q6687 60059 Ink Supply Tubes 44 SV Q6659 60175 Belt Assy 44 SV Q5669 606 74 Scan Axis Motor SV Q5669 60692_ Lubrification Kit SV T1120 T1120ps T620 Printer Series 24 inch P N CK837 67018 CK837 6 004 Carriage Assy SV CK837 67014 Ink Supply Tubes 24 SV with Trailing Cables Q5669 60673 Belt Assy 24 SV CK837 67015 Scan Axis Motor SV Q5669 60692_ Lubrification Kit SV T1120 T1120ps Printer Series 44 inch P N CK839 67006 CK837 6 004 Carriage Assy SV CK839 67003 Ink Supply Tubes 44 SV with Trailing Cables Q6659 60175 Belt Assy 44 SV CK837 67015 Scan Axis Motor SV Q5669 60692_ Lubrification Kit SV HP Designjet T Series Service Man
307. ys E Getting PSU Fan Rotation 9 The Front Panel then displays the Fan Speed test result and prompts you to press any key to continue Electronics Module PSU Fan Speed OF Press any key to continue 10 Press any key to continue 11 The Front Panel then prompts you to test the Formatter Electronics Module Do you want to check the Formatter YES Press UP DOWN to change and OK to select 12 Press OK to the test the Formatter If you do not wish to test the Formatter use the Arrow keys to select NO and press OK 3 22 HP Designjet T Series Service Manual 13 14 15 16 17 18 19 20 21 22 Service Tests Diagnostics The Formatter voltage test starts and the front Panel displays the following messages E Starting DelSol1 E Getting PCA revision The Front Panel then displays PCA Rev Voltage test result and prompts you to press any key to continue Electronics Module PCA Rev Voltage 7 Press any key to continue Press any key to continue The Formatter memory size test starts and the Front Panel displays the following messages E Getting Memory Size The Front Panel then displays Formatter Memory Size and prompts you to press any key to continue Formatter Memory Size 114MB 126 MB Press any key to continue Press any key to continue The Formatter hard disk test starts and the Front Panel displays the following messages E Getting HDA info
308. ze 24 inches It these conditions are not met a warning will be displayed on the Front Panel and you will need to restart the Calibration from step 1 Make sure you keep your hands away trom the Print Platen as the Carriage will be moving at high speed and you could injure yourself or damage the Carriage Assembly HP Designjet T Series Service Manual 4 15 Service Calibrations 4 The printer will start to calibrate the Line Sensor Once the Line Sensor has been calibrated the results will be displayed on the Front Panel Press OK to continue or press Back or Cancel to exit the calibration Line Sensor Calibration YBLACK YWHITE RANGE 775 700 900 050 700 900 032 700 900 855 700 900 ENTER to accept or CANCEL to reject values If the values are not within the range specified an error will appear on the Front Panel In this case try the following E Try the Scan Axis Calibration again E Replace the Line Sensor 5 The Printer will start to calibrate the Line Sensor position to the Black Printhead The Front Panel displays the following message E Line Sensor to Black calibrating 6 The printer will print a line of black dots and then scan them 7 Once the Line Sensor has been calibrated the results will be displayed on the Front Panel If the values are within the range press OK to accept the results If the values are NOT within the range press Back or Cancel to exit and FAIL the calibration Y Offset Ra

HP Designjet T1100/T1100ps/T610/ T1120/T1120ps

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