Print Service Calibrations
Contents
1. NOTE Make sure that you load E A0 size HP High Gloss Photo Paper or HP Coated media before performing this calibration Do NOT use any other type of media apart from HP Coated or HP High Gloss Photo Paper 1 In the Service Calibrations submenu scroll to 6 Color to Color cal and press Enter EE Service Calibrations Back 4 Roller mark pos mt Make Selection B Enter Press Enter 2 The following message will appear asking you to confirm the operation Select ACCEPT if you want to continue the Calibration or select CANCEL if you want to cancel the it Press Enter once the selection has been made i 6 Color to Color cal Back Make Selecti ce Make Selection m B Enter Press Enter 5 16 HP DesignJets 1050C and 1055CM Printers Service Manual Service Calibrations NOTE NOTE If you selected to continue then the following message appears on the front panel if media is not loaded Make sure that you load E A0 size HP High Gloss Photo Paper or HP Coated media Do NOT use any other type of media apart from HP Coated or HP High Gloss Photo Paper ED Please load paper to Lo Back perform this operation and try again mE T Press ENTER to continue 4 Bg Enter Press Enter The Printer will start to print the calibration pattern and the following message will be displayed on the front panel Calibrating pen to pen through scan axis Please wait Once the pen to2. Enter 2 When the following message appears on the front panel you must select which component you have replaced Select either the Electronics Module or Tubes System and press Enter Top B Back mt B Enter If the Electronics Module was replaced CALIBRATIONS BACKUP What have you replaced L Make Selection Electronics Module rep Tubes replaced Press Enter a Ifthe Electronics Module was replaced then select Electronics Module and press Enter CALIBRATIONS BACKUP What have you replaced Electronics Module rep P il Make Selection Tubes replaced gt Enter b The following message will appear asking you to confirm the operation Select ACCEPT if you want to continue the Calibrations Backup or select Press Enter HP DesignJets 1050C and 1055CM Printers Service Manual 5 19 Service Calibrations CANCEL if you want to cancel the Calibrations Backup Press Enter once the selection has been made CALIBRATIONS BACKUP Electronics Module has been replaced ACCEPT CANCEL L Make Selection Press Enter c Ifyou selected to continue the Calibrations Backup will start to update the calibrations and the following message will be displayed on the front panel Updating Backup Please wait d Once the Calibrations Backup has been completed the following message will appear on the front panel EE Ey Back E m Enter If the Tub
3. Page 5 16 The purpose of this Service Calibration is to correct the alignment between the Printheads and the rest of the Printer This calibration is necessary in order to prevent color misalignment 7 Calibrations Backup Page 5 19 The purpose of this Service Calibration is to allow the EEROM contents to be saved when the Electronics Module or the Tubes System is replaced 8 Pen Alignment gt Page 5 22 The purpose of this Service Calibration is to correct the alignment between the Printheads This calibration is necessary in order to prevent color misalignment and print quality defects like banding Carriage Height Calibration Page 5 24 The purpose of this Service Calibration is to adjust the distance between the Carriage and the Center Platen This calibration is necessary in order to prevent problems like Printhead crashes HP DesignJets 1050C and 1055CM Printers Service Manual 5 3 Service Calibrations Entering the Service Calibrations Menu 1 Once the message Ready is displayed on the front panel scroll to the Printer Setup Options icon and press the Enter key Printer Setup Options 2 Once inside the Printer Setup Options menu use the Arrow keys to scroll to the Utilities menu display and press the Enter key i Printer setup options Pen settings Back Device setup Utilities ea I Demos Image quality J 4 Ooo Enter Press Enter NOTE Make sure that
4. No Yes No Misalignment between No Yes No No No Yes No Yes No Colors Color Accuracy Problem No No No No No No No No No Edge Detect Problems No Yes No No No No No No No NOTE Refer to the following page for the relevant Calibration 5 2 HP DesignJets 1050C and 1055CM Printers Service Manual Service Calibrations Service Calibrations The following is a list of all internal service calibrations available in the Printers Instructions for entering the service calibrations menu are given on Page 5 4 1 Accuracy Calibration Page 5 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 2 Line Sensor Page 5 9 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 3 Service Station Page 5 11 The purpose of this Service Calibration is to calibrate the Service Station in relation to the Carriage Assembly 4 Roller Mark Position Page 5 13 The purpose of this Service Calibration is to calibrate the Mark Encoder which is located on the Drive Roller 5 Pen to Paper Spacing gt Page 5 15 THIS CALIBRATION IS NO LONGER REQUIRED 6 Color to Color Calibration
5. Once the service station calibration is completed the following message will be displayed on the front panel B wm B Back m B enter 6 To check if the Calibration was completed correctly print the Service Configuration Print see Page 7 79 and check that the calibrations are done and are within the stated limits Service station calibration finished Press ENTER to continue Press Enter Check that the Calibrations are done and within the limits EF EE 5 12 HP DesignJets 1050C and 1055CM Printers Service Manual Service Calibrations 4 Roller Mark Position The purpose of this Service Calibration is to calibrate the Mark Encoder which is located on the Drive Roller Perform the Roller Mark Position Calibration whenever m Carriage is disassembled or replaced Perform the Roller Mark Position Calibration as follows NOTE Make sure that you unload the media from the Printer before performing this calibration 1 In the Service Calibrations submenu scroll to 4 Roller mark position and press Enter a Top Ee Back ss mt 5 Perto Paper pacing O SS Enter Service Calibrations I Make Selection Press Enter 2 The following message will appear asking you to confirm the operation Select ACCEPT if you want to continue the Roller Mark Position Calibration or select CANCEL if you want to cancel the it Press Enter once the selection has been
6. made EE Back mt Ea Enter 3 If you selected to continue the calibration will start and the following message will appear on the front panel 4 Roller Mark Position Press Enter Performing roller mark calibration Please wait HP DesignJets 1050C and 1055CM Printers Service Manual 5 13 Service Calibrations 4 Once the roller mark position calibration is completed the following message will be displayed on the front panel E Roller mark position calibrated A Ey Back Enter Press ENTER to continue Press Enter 5 14 HP DesignJets 1050C and 1055CM Printers Service Manual Service Calibrations 5 Pen to Paper Spacing WARNING THIS CALIBRATION IS NO LONGER REQUIRED AND SHOULD NEVER BE PERFORMED HP DesignJets 1050C and 1055CM Printers Service Manual 5 15 Service Calibrations 6 Color to Color calibration The purpose of this Service Calibration is to correct the alignment between the Printheads and the rest of the Printer This calibration is necessary in order to prevent color misalignment Perform the Color to Color Calibration whenever m Carriage is disassembled or replaced m Drive Roller is disassembled or replaced Em Problems with color misalignment m Paper Axis is disassembled or replaced m Platen Assembly is disassembled or replaced m Service Station is disassembled or replaced Perform the Color to Color Calibration as follows
7. start to print the Accuracy Calibration Pattern and the following message will be displayed on the front panel ACCURACY Calibrating 5 Once the Accuracy Calibration Pattern is completed the following message will be displayed Remove the pattern from the media and select Measure Pattern and press Enter E Top B Back C PO B er 6 Rotate the pattern so that the edge with the arrows points to the leading edge and then reload the pattern with the arrow edge print facing down Recalibrate L Make Selection Create Pattern Measure Pattern Press Enter 7 The Printer will load the pattern and then measure the alignment marks using the line sensor on the Carriage Assembly The HP DesignJets 1050C and 1055CM Printers Service Manual 5 7 Service Calibrations following message will be displayed while the Printer measures the pattern ACCURACY Measuring 8 Once the calibration is completed the following message will be displayed Top B Back EE E B Enter Calibration done Press ENTER to continue Press Enter 9 To check if the Calibration was completed correctly print the Service Configuration Print see Page 7 79 and check that the values given for the Accuracy Calibration are NOT ALL zero Check that these value are NOT ALL zero 10 Ifthe calibration fails Perform the Electronic Systems Test gt Page 4 5 5 8 HP Desi
8. DesignJets 1050C and 1055CM Printers Service Manual Service Calibrations 8 Lower the Carriage Assembly slightly by turning the T9 screw shown below anti clockwise and then check for a scraping sound again as shown previously in step 7 9 On moving the Carriage Assembly along the length of the printer you should now hear a scraping sound this sound indicates that you need to raise the Carriage Assembly if there is no sound repeat step 8 HP DesignJets 1050C and 1055CM Printers Service Manual 5 29 Service Calibrations 10 Raise the Carriage Assembly slightly by turning the T9 screw shown below clockwise gt Paty eS OS NI 11 Check that there is no longer a scraping sound HP DesignJets 1050C and 1055CM Printers Service Manual Service Calibrations 12 When the scraping has been eliminated it is important to leave the Carriage Assembly as close as possible to the Center Platen move the Carriage Assembly back and forth across the area where the scraping sound was gently lowering and raising the Carriage Assembly until you are sure that it is as close as it possibly can be to the Center Platen without touching 13 Continue checking the full length of the printer until you
9. Press ENTER to continue Press Enter 4 The Printer will start to print the Alignment Pattern and the following message will be displayed on the front panel PRINTHEAD ACCESS Aligning printheads Approximate time remaining 6 min 30 sec 5 Once the Pen Alignment calibration is completed the following message will be displayed on the front panel EE caval E Bact Enter 6 If the calibration fails Perform the Electronic Systems Test gt Page 4 5 Press ENTER to continue Press Enter HP DesignJets 1050C and 1055CM Printers Service Manual 5 23 Service Calibrations NOTE Carriage Height Calibration The purpose of this Service Calibration is to adjust the distance between the Carriage Assembly and the Center Platen This calibration is necessary in order to prevent problems like Printhead crashes Perform the Carriage Height Calibration whenever m Carriage is disassembled or replaced m Center Platen is disassembled or replaced Continuous Printhead Crashes Perform the Carriage Height Calibration as follows The procedure should be carried out using the Carriage Height Tool See Figure 1 below that came with the new Carriage Assembly or Center Platen Assembly Carriage Height Tool Figure 1 5 24 HP DesignJets 1050C and 1055CM Printers Service Manual Service Calibrations NOTE During the Carriage Height Calibration procedure the Carriage Assembly has to be mo
10. Service Calibrations Service Calibrations 5 2 Entering the Service Calibrations Menu 5 4 1 Accuracy Calibration 5 6 2 Line Sensor 5 9 3 Service Station 5 11 4 Roller Mark Position 5 13 5 6 T 8 Pen to Paper Spacing 5 15 Color to Color calibration 5 16 Calibrations Backup 5 19 Pen Alignment 5 22 Carriage Height Calibration 5 24 HP DesignJets 1050C and 1055CM Printers Service Manual 5 1 Service Calibrations Service Calibrations The Printer has several calibration procedures that must be performed under certain conditions Refer to the table below to determine when calibrations are required WARNING REMEMBER THAT CERTAIN CALIBRATIONS ARE REQUIRED EVEN IF AN ASSEMBLY HAS BEEN DISASSEMBLED TO GAIN ACCESS TO ANOTHER ASSEMBLY OR COMPONENT Which Calibrations Need To Be Done When Required 1 2 3 4 5 6 T 8 Carriage is disassembled or No Yes Yes Yes No Yes No Yes Yes replaced Electronics Module is No No No No No No Yes Yes No replaced Paper Axis is disassembled Yes No No No No Yes No No No or replaced Platen Assembly is No No Yes No No Yes No No Yes disassembled or replaced Service Station is No No Yes No No Yes No No No disassembled or replaced Drive Roller is Yes No No No No Yes No No No disassembled or replaced Tubes System SRK is No No No No No No Yes Yes No disassembled or replaced Banding Problem Yes Yes No No No No
11. arrive at the blue line used to load the cut sheet paper repeating steps 10 11 and 12 whenever a scraping sound is heard HP DesignJets 1050C and 1055CM Printers Service Manual 5 31 Service Calibrations 14 When the complete length of the printer is calibrated clear of any scraping sound tighten the two T10 screws at the back of the Carriage Assembly to secure the current position 5 32 HP DesignJets 1050C and 1055CM Printers Service Manual
12. edia is not loaded You must load Media in to the Printer to continue ial Top B Back it BR Enter 4 The Printer will start to print the Line Sensor Pattern and the following message will be displayed on the front panel Please load paper to perform this operation and try again Press ENTER to continue Press Enter Calibrating line sensor Please wait 5 Once the line sensor calibration is completed the following message will be displayed on the front panel EE Line sensor calibrated Back i Enter 6 To check if the Calibration was completed correctly print the Service Configuration Print see Page 9 and check that the values given for the LED Green Blue are NOT zero Press ENTER to continue Press Enter Check that these value are NOT zero 7 If the calibration fails Perform the Electronic Systems Test gt Page 4 5 5 10 HP DesignJets 1050C and 1055CM Printers Service Manual Service Calibrations 3 Service Station The purpose of this Service Calibration is to calibrate the Service Station in relation to the Carriage Assembly Perform the Service Station Calibration whenever m Carriage Assembly is disassembled or replaced m Platen Assembly is disassembled or replaced m Service Station is disassembled or replaced Perform the Service Station Calibration as follows NOTE Make sure you load media bigger than A4 in to the Printe
13. es System was replaced a Ifthe Tubes System was replaced then select Tubes System and press Enter i Back mt a Ei Enter b The following message will appear asking you to confirm the operation Select ACCEPT if you want to continue the Calibrations Backup or select Backup completed Press ENTER to continue Press Enter CALIBRATIONS BACKUP What have you replaced Make Selection Press Enter 5 20 HP DesignJets 1050C and 1055CM Printers Service Manual Service Calibrations CANCEL if you want to cancel the Calibrations Backup Press Enter once the selection has been made CALIBRATIONS BACKUP Tubes System has been replaced ACCEPTS Make Selection CANCEL Press Enter c If you selected to continue the Calibrations Backup will start to update the calibrations and the following message will be displayed on the front panel Updating Backup Please wait d Once the Calibrations Backup has been completed the following message will appear on the front panel EE Backup completed az Back ma a Press ENTER to continue B Enter Press Enter HP DesignJets 1050C and 1055CM Printers Service Manual 5 21 Service Calibrations NOTE WARNING 2 8 Pen Alignment The purpose of this Service Calibration is to correct the alignment between the Printheads This calibration is necessary in order to prevent color m
14. gnJets 1050C and 1055CM Printers Service Manual Service Calibrations 2 Line Sensor 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 m Edge detect procedure fails during media loading m Carriage is disassembled or replaced m Banding is detected in prints m Misalignment between colors is detected Perform the Line Sensor Calibration as follows NOTE Make sure you load HP Coated media in to the Printer before performing this calibration 1 Inthe Service Calibrations submenu scroll to 2 Line Sensor cal and press Enter eo B Back 5 Pen to Paper Specing B Enter Service Calibrations L Make Selection Press Enter 2 The following message will appear asking you to confirm the operation Select ACCEPT if you want to continue the Line Sensor Calibration or select CANCEL if you want to cancel the it Press Enter once the selection has been made Es Top B Back mt BR Enter Line Sensor Calibration L Make Selection Accept Press Enter HP DesignJets 1050C and 1055CM Printers Service Manual 5 9 Service Calibrations 3 Ifyou selected to continue then the following message appears on the front panel if m
15. isalignment and print quality defects like banding Perform the Printhead Alignment Calibration whenever m Carriage is disassembled or replaced m Tubes System is disassembled or replaced m Banding is detected in prints Misalignment between colors is detected m Electronics Module is replaced Perform the Pen Alignment Calibration as follows Make sure you load media before performing this calibration Do NOT use Clear Film Vellum or Natural Tracing Paper In the Service Calibrations submenu scroll to 8 Pen Alignment and press Enter Top B Back mt B Enter Service Calibrations 4 Roller mark position 5 Pen to Paper Sp 6 Color to Color cal I Make Selection 7 Calibrations backup 8 Pen Alignment Press Enter The following message will appear asking you to confirm the operation Select ACCEPT if you want to continue the Calibration or select CANCEL if you want to cancel the it Press Enter once the selection has been made 8 Pen Alignment Accept Make Selection Press Enter 5 22 HP DesignJets 1050C and 1055CM Printers Service Manual Service Calibrations 3 If you selected to continue then the following message appears on the front panel if media is not loaded You must load Media in to the Printer to continue WARNING Do NOT use Clear Film Vellum or Natural Tracing Paper Please load paper to perform this operation and try again
16. nJets 1050C and 1055CM Printers Service Manual 5 5 Service Calibrations 1 Accuracy Calibration 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 Perform the Service Accuracy Calibration whenever m Banding is detected in prints m Drive Roller is disassembled or replaced m Paper axis Assembly is disassembled or replaced Perform the Accuracy Calibration as follows NOTE Make sure you load HP High Gloss Photo Paper in to the Printer before performing this calibration Do NOT use any other type of media apart from HP High Gloss Photo Paper 1 In the Service Calibrations submenu scroll to 1 Accuracy cal and press Enter i Service Calibrations Back Fa BE Make Selection B Enter Press Enter 2 When the following message appears on the front panel select Create Pattern and press Enter EE Recalibrate L Back mt Make Selection Create Pattern B Enter Press Enter 5 6 HP DesignJets 1050C and 1055CM Printers Service Manual Service Calibrations 3 If media is not loaded the following message appears on the front panel and you must load media into the Printer NOTE Do NOT use any other type of media apart from HP High Gloss Photo Paper ACCURACY Load paper for calibration 4 The Printer will
17. paper spacing calibration is completed the following message will be displayed on the front panel Color to Color calibrated Press ENTER to continue Press Enter Make sure that you press Form Feed and Cut when you have finished the calibration to trim the calibration pattern from the media roll If the calibration fails then the following message will appear on HP DesignJets 1050C and 1055CM Printers Service Manual 5 17 Service Calibrations the front panel Calibration error Press ENTER to continue In this case to resolve the problem try the following 1 Ifthe calibration pattern is bad m Try recovering the Printheads using the front panel menu and try the calibration again m If the calibration pattern is bad again then replace the Printhead of the color that is bad 2 Perform the Electronics System test gt Page 4 5 5 18 HP DesignJets 1050C and 1055CM Printers Service Manual Service Calibrations 7 Calibrations Backup The purpose of this Service Calibration is to allow the EEROM contents to be saved when the Electronics Module or the Tubes System has been replaced WARNING ALWAYS PERFORM THE CALIBRATIONS BACKUP AFTER REPLACING THE ELECTRONICS MODULE OR THE TUBES SYSTEM Perform the Calibrations Backup as follows 1 In the Service Utilities submenu scroll to 7 Calibrations Backup and press Enter Service Calibrations L Make Selection Press Enter
18. r before performing this calibration Do NOT use any other type of media apart from HP Coated or HP High Gloss Photo Paper 1 In the Service Calibrations submenu scroll to 3 Service Station and press Enter EE E 3 Service LJ T 4 Roller mark pos C L 5 Pen to Pape r EE e Service Calibrations I Make Selection Press Enter 2 The following message will appear asking you to confirm the operation Select ACCEPT if you want to continue the Service Station Calibration or select CANCEL if you want to cancel the it Press Enter once the selection has been made Top B Back mt B Enter 3 Service Station Make Selection Accept Press Enter HP DesignJets 1050C and 1055CM Printers Service Manual 5 11 Service Calibrations 3 If you selected to continue then the following message appears on the front panel if media is not loaded You must load Media in to the Printer to continue B wp B Back at B enter 4 The Printer will start to print the calibration pattern and the following messages will be displayed on the front panel Please load paper to perform this operation and try again Press ENTER to continue Press Enter Performing service position calibration Please wait Performing primer calibration Please wait Performing drop detector calibration Please wait Performing platen distance calibration Please wait 5
19. ved along the length of the printer for correct calibration Make sure that the Carriage Assembly is only ever moved by pulling the belt and never by direct contact with the carriage itself See Figure 2 below S a gt gt Za Correct move using the belt Incorrect never move using Carriage Assembly Figure 2 1 Disconnect the Ink Leak Detector Cable Connector from the back of the printer HP DesignJets 1050C and 1055CM Printers Service Manual 5 25 Service Calibrations 2 Remove the EMC Cover on the left hand side of the printing area 5 26 HP DesignJets 1050C and 1055CM Printers Service Manual Service Calibrations 4 Insert the Carriage Height Tool into the black cartridge slot Un pA an oe a Ss HP DesignJets 1050C and 1055CM Printers Service Manual 5 27 Service Calibrations 6 Loosen the two T10 screws at the back of the Carriage Assembly NOTE NOTE The screws should not be removed 7 Using the belt and beginning to the left hand side of the starting position where the left hand edge of the paper is positioned when printing move the Carriage Assembly back and forth along the length of the printer you are listening for a scraping sound if you hear a sound already you may proceed directly with step 9 if not you must lower the Carriage Assembly step 8 and try again until a scraping sound is heard 5 28 HP
20. you are in the Full menu mode because otherwise you will not be able to access the Service Tools submenu 3 Once inside the Utilities menu press the UP and Enter keys together You are now in the Service Tools Menu E Utilities Display Contrast Pack Contrast n Recover Printheads T Press Calibrations T her Test Prints od oget e ea Enter 4 Use the Arrow keys to scroll to the Service Calibrations menu and press the Enter key Ea Top B Back EE a B Enter Service Tools Service Calibrations Service Utilities Service Tests Press Enter 5 4 HP DesignJets 1050C and 1055CM Printers Service Manual Service Calibrations 5 Use the Arrow keys to scroll through the Service Calibrations selections Service Calibrations 1 Accuracy cal 5 Pen to Paper Spacing 6 Press the Enter key to begin a specific calibration when the required Service Calibration is highlighted NOTE If the printer is not used for 3 minutes the printer exits out of the Service Calibrations Menu and you must repeat the above steps to enter Service Calibrations again NOTE 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 NOTE If the Printer hangs up during an operation switch the Printer OFF and restart from step 1 HP Desig
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