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Service Manual - HPI Technologies

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1. Connector Pin no Signal J1 USB Port G1 Ground 1 USB 5 V dc 2 USB D 3 USB D 4 Ground G2 Ground 5 4 Service Manual 4512 630 6 Preventive maintenance This chapter describes procedures for printer preventive maintenance Follow these recommendations to help prevent problems and maintain optimum performance Safety inspection guide The purpose of this inspection guide is to aid you in identifying unsafe conditions If any unsafe conditions exist find out how serious the hazard could be and if you can continue before you correct the hazard Check the following items Damaged missing or altered parts especially in the area of the On Off switch and the power supply Damaged missing or altered covers especially in the area of the top cover and the power supply cover Possible safety exposure from any non Lexmark attachments Lubrication specifications FRUs are typically lubricated as needed from the factory If not lubricate only when parts are replaced or as needed not on a scheduled basis Use of lubricants other than those specified can cause premature failure Some unauthorized lubricants may chemically attack parts Use P N 99A0394 Nyogel 744 to lubricate appropriate areas Lubricate gears that were lubricated in the original part Maintenance kits Maintenance kits include e Fuser P N 40X2800 40X2801 or 40X2802 e Exit guide P N 40X2834 Tray 1 ACM feed tires P N 56P1820 e Trans
2. Verify that the ACM clutch is functioning correctly The media fails to feed from the optional Tray 2 Incorrect tray selection or inadequate picking force by tires Make sure the correct tray and media type are selected from the driver Make sure the tray is pushed all the way in Remove the media from the optional Tray 2 fan it and reload Check the rubber on the paper feed tires for dirt or any other debris Replace as necessary Check the paper path in the tray for burrs or debris that may hinder media movement Make sure the media does not exceed the stack height indicator TheLoad Paper message displays even though there is media loaded in the optional Tray 2 The input sensor does not sense media after picking Make sure the tray is pushed all the way in Press Y Check the feed tires See two preceding actions The printer does not print after a paper jam has been cleared The printer is waiting on the next command Clear all jams Press and release Y or open and close the printer cover to restart the printer Make sure the print cartridge assembly is installed properly 2 30 Service Manual 4512 630 Print quality problems Continued Problem Cause action Unexpected characters Ensure correct printer driver is being used print or characters are Select hex trace mode to determine what the problem is missing Restore factor
3. Are damaged in any way Contain windows holes perforations cutouts or embossments Have metal clasps string ties or metal folding bars Have postage stamps attached Have any exposed adhesive when the flap is in the sealed position Use only recommended media Refer to the Card Stock amp Label Guide available on the Lexmark Web site at www lexmark com for more information about which media provides optimum results for the current printing environment Tools The removal and adjustment procedures require the following tools and equipment e Spring hook e Needle nose pliers Volt ohmmeter e 1 and 2 Phillips screwdriver e Slotted screwdriver e Flashlight 1 8 Service Manual Acronyms ACM ASIC CBM CRC DIMM EEPROM ENA FRU HBP HVPS LCD LED LSU LVPS NVRAM PC PCL POR POST PPDS PRC PSO RIP TAR SDR USB Vac V dc Autocompensator Mechanism or paper feed Application Specific Integrated Circuit Complete Bill Of Material Cyclic Redundancy Check Dual In Line Memory Module Erasable Electrically Programmable Read Only Memory External Network Adapter Field Replaceable Unit Host Based Printing High Voltage Power Supply Liquid Crystal Diode Light Emitting Diode Laser Scanning Unit Low Voltage Power Supply Nonvolatile Random Access Memory Photoconductor Printer Control Language Power On Reset Power On Self Test Personal Printer Data Stream People s Republic of China
4. Toner cartridge 3 000 standard pages High toner cartridge n a Photoconductor kit Up to 30 000 Declared value in accordance with ISO IEC 19752 Based on approximately 596 coverage actual yield may vary 1 4 Service Manual Connectivity and compatibility 4512 630 Item 4512 630 Lexmark E450dn Data stream emulations PCL6 v PostScript Level III v Host Based Printing HBP GDI Version 1 n a Host Based Printing HBP GDI Version 2 v PPDS v HTML n a PDF version 1 5 v Compatibility Windows Macintosh Linux 1 Standard local connections Parallel IEE 1284 bidirectional USB Standard network connections Ethernet 10 100 Base TX Optional local connections External print server support Option slots Memory slots 100 pin DIMM 1 Flash memory option card 2 The E450n product is a USB 2 0 certified device supporting high speed 480MB sec data transfer Linux support for E450dn model is utilizing the PCL data stream Only one slot active for flash memory or font card General information 1 5 4512 630 Types of print media Ensure trays are properly loaded Never mix media types within a tray Input capacity monarch 7 94 9 Com 10 C5 B5 DL Minimum feed size 76 X 127mm Universal max paper 216 X 357mm F iohi
5. If there is no continuity disconnect the fuser power cable at both ends and check each conductor for continuity Replace cable if necessary If the cable tests good replace the fuser Make sure the fuser thermistor is correctly connected to the controller board at J13 If the problem persists disconnect the thermistor cable and check for less than 5 V dc on pin 1 Pin 2 should be ground If line voltage is incorrect on pin 1 see Controller card service check on page 2 17 for more information Disconnect the thermistor cable from J13 on the controller card Measure the resistance across the ends of the thermistor cable A Replace the fuser assembly if the resistance is lower than 1K ohm or shorted Note Resistance measures approximately 400K ohms when cool and 1K ohms hot Fuser Diagnostics information 2 19 4512 630 LVPS HVPS service check FRU Action LVPS portion of board Fuses that open typically indicate a faulty LVPS HVPS Disconnect the power cable and open the LVPS HVPS enough to test the switch The switch will show continuity across the conductors with a meter when the switch is on If the switch is good see Dead machine service check on page 2 19 for more diagnostics LVPS HVPS HVPS portion of board Problems with the HVPS are exhibited in the print quality See LVPS HVPS service check on page 2 20 for more information Main motor service check FRU Action
6. Source Sizes Types Weight sheets Input tray 1 A4 A5 A65 JIS B5 Paper labels 60 90 g m 250 paper letter legal transparencies 16 24 Ib 50 labels 250 sheet tray executive folio 50 transparencies statement 2nd Drawer option AA letter legal A5 Paper labels 60 90 g m 550 paper 20 Ib JIS B5 executive transparencies 16 24 Ib 50 labels 550 sheet only E352dn only folio statement 50 transparencies Manual feed input A4 A5 A63 JIS B5 Paper labels 60 163 g m 1 sheet all medias letter legal transparencies card 16 43 Ib executive folio stock envelopes statement Envelopes 5 20 Ib envelopes are recommended Wrinkling may also occur on the front side but away from address or return address areas Slight wrinkling nit in address areas is permitted on 24 envelopes Use envelopes that lay flat when individually placed on a table facedown The distance of any edge or corner from the table should be less than 3 mm For 20 Ib print material unless otherwise noted 3 A6 long grain media support short grain A6 not supported 6 This refers to paper only Treeing may occur on 16 paper 7 Input using manual feeder is reduced to 1 2 speed Card stock up to 90 index Designed to exit rear door Short grain is recommended Single sided paper labels are supported for the occasional use of less than 20 pages per month Labels such as vinyl labels pharmacy labels or dual sided
7. The print quality test consists of four pages Page one contains a mixture of graphics and text Pages two and three only contain graphics Page four is blank If duplex is turned on the pages are duplexed The Print Quality Test pages are printed in English and must always be printed on letter legal or A4 paper Panel Menus Settings are Disable and Enable The default is Enable Diagnostic aids 3 27 4512 630 PPDS Emulation This menu item allows the user to enable or disable PPDS emulation data stream When this setting is enabled the following settings are also changed e SmartSwitch settings for each port are turned off The printer language is changed to PPDS Emulation Users can still switch languages on the operator panel and through the PJL data stream Demo Mode There is a built in demonstration mode The settings allow you to Deactivate to turn off the demo mode and Activate to turn it on While Demo Mode is set the printer will start in Demo Mode until you change the setting Note While Demo Mode is set to Activate only demonstration files can print and files received across the network or from the host computer are ignored Factory Defaults This setting enables a user to restore all the printer settings to the original factory settings Selections are Restore Base and Restore Network Network does not appear unless you have a network printer The following settings are not changed e Display language S
8. Action Operator panel LED Controller card Warning Do not replace the operator panel and controller card at the same time Each card contains the printer settings When either of these cards is new it obtains the settings from the other card Settings are lost when both are new and replaced at the same time Lights If the LCD does not come on open the controller card cage and locate the operator panel connector at J3 Make sure the cable is properly connected to the controller card and the controller card has input voltage to it With the printer on verify the following without disconnecting the cable Pins 1 3 5 and 6 3 3 v Pin2 5v Pins 4 and 7 GND If these are correct and the operator panel is not functioning replace the operator panel If any are incorrect see Controller card service check on page 2 17 Buttons If the buttons do not respond replace the operator panel There is no test or repair for the faulty switches Paper feed service checks Paper jam error indication during POST FRU Action Fuser exit sensor If the exit sensor flag which is visible at the back of the fuser is in any position other than vertical the printer will display a paper jam Make sure the flag is operating freely Replace the fuser if the sensor is damaged Input duplex sensor Manual feed sensor Make sure the input paper feed sensors are working properly A stuc
9. Make sure to use the recommended print media see media types and sizes in the User s Reference Use MarkVision to define the custom type setting for media type media texture or media weight The toner cartridge or PC Kit may be defective Replace the PC Kit first and recheck Blurred characters Blurred images including characters are usually caused by a defective printhead Vertical white lines See Vertical streaks below Vertical white lines may be caused by the laser beam which may be partially blocked With the printer off clear the path or clean the lens The toner cartridge or fuser may be defective Try a different toner cartridge Inspect the fuser at its entry for debris Toner smudges appear on the front or back of the page Make sure the media is straight and unwrinkled Replace the PC Kit and recheck before replacing the toner cartridge See Toner on back of page on page 2 27 for more information Vertical or horizontal streaks appear on the page Vertical streaks Something could be caught between the PC kit and the fuser Check the paper path around the fuser entry Try a different toner cartridge Vertical white lines may be caused by the laser beam which may be partially blocked With the printer off clear the path or clean the lens The toner cartridge or fuser may be defective Try a different toner cartridge Inspect the fuser at its entry for debris Horizontal streaks
10. amp o o lla 8 el e ariel Photoconductor Kit CIE Charge IT ES G ff cL e S SES Fa Photoconductor p LI MPF Paper Feed P I Dupl MPF Solenoid Solenoid Tray 2 Connector od npe Sensor Sensor Sensor Legend Input Output O Plugged Voltage All voltages are DC unless otherwise noted USB Port Parallel Port Network Plug Print defects guide Print defects guide Page 1 of 1 Defects often repeat down a page In such cases matching the defect frequency to one of the sets of vertical lines below can help identify the particular part that may be causing the defect For example the distance between these two marks represents a repeating defect caused by the toner cartridge Replace Transfer Roller call for service Replace Toner Cartridge customer replaceable item Replace Replace Fuser Photoconductor Kit call for service customer replaceable item If you are unable to distinguish between these two marks replace the Photoconductor OR Kit before replacing the Fuser OR
11. r i USA certifierad att motsvara kraven i DHHS 21 CFR underparagraf J f r laserprodukter av Klass 1 andra l nder uppfyller skrivaren kraven f r laserprodukter av Klass enligt kraven i IEC 60825 1 Laserprodukter i Klass anses ej h lsov dliga Skrivaren har en inbyggd laser av Klass IIIb 3b som best r av en laserenhet av gallium arsenid p 5 milliwatt som arbetar i v gl ngdsomr det 770 795 nanometer Lasersystemet och skrivaren r utformade s att det aldrig finns risk f r att n gon person uts tts f r laserstr lning ver Klass l niv vid normal anv ndning underh ll som utf rs av anv ndaren eller annan f reskriven service tg rd Laser melding Skriveren er godkjent i USA etter kravene i DHHS 21 CFR underkapittel J for klasse 1 laserprodukter og er i andre land godkjent som et Klasse l laserprodukt i samsvar med kravene i IEC 60825 1 Klasse l laserprodukter er ikke betrakte som farlige Skriveren inneholder internt en klasse ID 3b laser som best r av en gallium arsenlaserenhet som avgir str ling i b lgelengdeomr det 770 795 nanometer Lasersystemet og skriveren er utformet slik at personer aldri utsettes for laserstr ling ut over klasse l niv under vanlig bruk vedlikehold som utf res av brukeren eller foreskrevne serviceoperasjoner Notices and safety information ix 4512 630 Avis sobre el Laser Segons ha estat certificat als Estats Units aquesta impressora compleix els requisits
12. 200 14 Trailing edge cleared manual feed but did not successfully debounce the sensor Potential causes are a small gap or a bouncy manual feed sensor 200 15 UNRECOVERABLE NO GAP JAM Engine detected no gap at the manual feeder sensor attempted to open the gap by stopping the feed rolls but no trailing edge was ever seen at the input sensor 200 16 Transport motor error detected 200 17 Took too long to ramp up transport motor 200 18 Manual feeder sensor never became uncovered from the sheet ahead 200 19 The media never reached the input sensor but was detected at manual feeder sensor 2 8 Service Manual 4512 630 Paper jam error codes 200 series Continued Error Description 200 20 The media is too long over the manual feeder sensor Possible causes include multi sheet feed media size length problem pre staged media in the tray 200 22 FAILED SMALL GAP OR NO GAP JAM RECOVERY Engine detected small gap or no gap at the manual feeder sensor opened the gap by stopping the feed rolls but never saw the leading edge of the second page at the input sensor 200 23 Laser Servo never started due to potential conflict with the transfer servo Possible causes slow or missing transport motor positional feedback or the media is transferred too quickly to the input sensor 200 24 The measured gap at the input sensor is too small to m
13. 935 24 Printhead sweep error reserved 935 25 Printhead sweep error detected resonant frequency out of expected range 935 26 Printhead sweep error timed out waiting for end of sweep Diagnostics information 2 13 4512 630 Service error codes 9xx Continued Error Description Transport motor service errors 936 01 No lock detected at normal motor start 936 02 No lock detected at motor start for motor ID 936 03 No halls detected at motor start 936 04 Failed to stop within timeout 936 05 Stall detected during speed control 937 00 Main transport motor lost lock 937 01 Main transport motor lost lock detected by engine control 937 02 Overspeed detected during position control 937 03 Overspeed detected during speed control Power supply service errors 940 00 LVPS service error 940 01 Line frequency outside allowed range of 45Hz 64Hz 940 02 Line frequency below 43Hz 940 03 No zero cross detected on belt fuser model 2 14 Service Manual 4512 630 Symptom tables POST symptom table Symptom Action The main motor cooling fan and fuser do not come See Cover interlock switch service check on page 2 18 on POST completes but LCD does not appear to be See Operator panel service check on page 2 21 working Main motor does not come on See Main motor service check on pa
14. Parallel Wrap See Parallel Wrap tests on page 3 15 Parallel 1 Wrap if installed 3 2 Service Manual 4512 630 Diagnostics mode tests continued DUPLEX TESTS if installed Quick Test See Quick Test duplex on page 3 16 Top Margin See Top Left Margin duplex on page 3 16 Sensor Test See Sensor Test duplex on page 3 17 Duplex Feed 1 See Duplex Feed 1 on page 3 17 INPUT TRAY TESTS Feed Tests See Feed Tests input tray on page 3 18 OUTPUT BIN TESTS Feed Tests See Feed Tests output bins on page 3 19 Sensor Test See Sensor Test standard output bin on page 3 19 BASE SENSOR TEST See BASE SENSOR TEST on page 3 20 Exit Front Door Input PRINTER SETUP Defaults See Defaults on page 3 21 Page Count See Page Count on page 3 21 Perm Page Count See Perm Page Count permanent page count on page 3 21 Serial Number See Serial Number on page 3 21 Engine Setting 1 through 4 See Engine Setting 1 through 4 on page 3 21 Model Name See Model Name on page 3 21 Configuration ID See Configuration ID on page 3 22 Edge to Edge See Edge to Edge on page 3 22 Par S Strobe Adj Par x Strobe Adj if additional parallel options are installed See Parallel strobe adjustment Par x Strobe Adj on page 3 22 Dia
15. The Left or Right buttons are used to move within a screen such as moving from one menu index item to another They are also used to scroll through text that will not fit on the screen Y The Select button is used to initiate action on a selection Press Select when the cursor appears next to the selection you want such as following a link submitting a configuration item or when you want to start or cancel a job Display panel S Status Supplies Ready Tray 1 low View Supplies Some held jobs were not restored Remove tray remove print media The display panel shows messages and graphics describing the current state of the printer and indicating possible printer problems you must resolve The top line of the display is the header line If applicable it will contain the graphic indicating the Back button can be used It will also display the current status and the Supplies Warnings status If multiple warnings are present each warning will be separated by a comma The other three lines of the display are the body of the screen This is where you view printer status supplies messages show me screens and make selections Diagnostics information 2 3 4512 630 Diagram of the printer menus The diagram shows the menu index on the operator panel and the menus and items available under each menu Not all menus or selections will be available in all situations These are accessed through
16. This indicates it is the margin value being changed T xxx B xxx L xxx R xxx 4 Use to decrease or hp to increase the offset values and press Y to confirm the value The message Submitting selection displays and the original REGISTRATION screen appears with the Y beside the previously selected margin setting The print registration range is Variable Description Value Direction of change B Bottom margin 20 to 20 Each increment causes approximately 0 55 mm shift in the bottom margin A positive change compresses the image so it appears to move down the page and a negative change moves the image up T Top margin 25 to 25 Each increment causes A positive change moves the image approximately 4 pels shift at 600 down the page and increases the dpi top margin A negative change moves the image up and decreases the top margin L Left margin 25 to 25 A positive change moves the image to the right and a negative change moves the image to the left No compression occurs R Right margin 10 to 10 A positive change moves the image to the right and a negative change moves the image to the left 5 Continue changing the settings by repeating steps 2 through 4 6 Print another copy of the Quick Test to verify your changes 7 To exit REGISTRATION press Back Diagnostic aids 3 5 4512 630 Printhead assembly electronic adjustment A step by step
17. Toner cartridge not a Remove the toner cartridge and gently shake it to evenly distribute the toner FRU Check for cartridge damage Blank pages can be caused by a defective printhead assembly LVPS HVPS or controller card A e Printhead errors typically result in printer service errors unless there is blockage of the beam or dust on the lens Blank pages typically are caused by the PC roll not being properly charged Try a Printhead different PC kit LVPS HVPS Unplug the printer and check the cable continuity between the LVPS HVPS connector Controller card marked OPC at PCN 2 and the corresponding wire form spring found about 14 mm above and to the right of the transfer roll gear fthere is not continuity call the next level of service Try a different toner cartridge and PC kit f those fail replace the LVPS HVPS controller card or the printhead in that order 2 24 Service Manual Black page 4512 630 Note Incorrect laser exposure or incorrect charging of the photoconductor causes an all black page Always verify the same results from a different print cartridge assembly and developer before proceeding FRU Action Toner electrodes not a FRU Check the three rearward electrodes below the print cartridge assembly for contamination or damage Correct as necessary Check continuity between the cable DEV TAR and doctor blade connection PCN3 and on the contact tips below th
18. and remove the six screws A the screw B and the ground cable screw C 3 Lift the motor end and disconnect the main motor cable D 4 Lift the main motor drive enough to clear Note The main motor drive does not have to be completely removed See Main motor drive removal on page 4 28 for more information 5 Use a thin screw driver to remove the clip E 6 Remove the manual paper feed clutch Repair information 4 31 4512 420 430 Manual feed solenoids Remove the duplex unit See Duplex removal on page 4 18 Extract the solenoid cable to a point close to the left side as possible Remove the main motor drive See Main motor drive removal on page 4 28 Remove the auto comp clutch See Auto comp clutch removal on page 4 10 Remove the three screws A eh gt 6 Remove the manual feed solenoids 4 32 Lexmark E350d E352dn 4512 420 430 Media level indicator removal 1 Remove the left side cover See Left side cover removal on page 4 4 2 Turn the printer onto its top Be careful to protect the covers 3 Unhook and remove the spring A Repair information 4 33 4512 420 430 5 Rotate the link and turn it to separate it from the plastic shaft C Be careful to not damage the adjacent gear C 6 Unsnap the shaft from its pivot which is attached to the back of the LVPS HVPS shield D T Align the link end of the shaft with the opening in t
19. damage or contamination Replace as necessary Poor fusing of image FRU Action Fuser The fuser may not be operating at the proper temperature to fuse the toner to the media See LVPS HVPS service check on page 2 20 for more information Try changing the setting to heavier media or even card stock Media not a FRU Make sure recommended media is being used Check the media settings in the printer driver 2 26 Service Manual Light print 4512 630 FRU Action Toner cartridge not a FRU Make sure the toner cartridge and PC Kit are installed correctly and that the toner cartridge is not low on toner If the problem continues install a new toner cartridge Recheck condition before replacing PC Kit if necessary A Transfer roll LVPS HVPS card Check the transfer roll for signs of toner buildup and contamination Inspect the HVPS contact transfer roll for contamination Verify the high voltage cable is plugged into the LVPS HVPS If all components appear free of contamination replace the following FRUs one at a time in the order shown Transfer roll LVPS HVPS card White or black lines or bands FRU Action Print cartridge assembly not a FRU Developer drive coupling assembly Main gear drive Banding appears as light or dark horizontal lines on a uniformly gray page or on a page with a large area of graphics Banding is pr
20. 3 Remove the strip from inside the tray Wear strip removal tray 2 1 Pull up the strip with the spring hook to free it at the top 2 Liftthe strip out 4 46 Lexmark E350d E352dn 4512 420 430 Note When replacing the strip Push the strip up with your thumb to make sure that the strip is in place e Turn the tray over so that you are looking at the bottom of the strip Using the spring hook check to make sure that the end of the strip is secure and the strip is fastened tightly Repair information 4 47 4512 420 430 4 48 Lexmark E350d E352dn 4512 630 5 Locations and connections Locations Front view 150 Sheet output bin 250 Sheet tray 550 Sheet drawer optional Rear view Rear exit Power button Power connect Dust cover not available for some models USB connect Parallel connect Ethernet connect Locations and connections 5 1 4512 630 Controller card connector pin values Note See the wiring diagram at back of book These values were measured with all connections made plugged or with only one connector at a time unplugged to expose the pins Always disconnect and connect with the printer power off Otherwise the values below may not match Connector Pin Value Value Comments cableplugged cable unplugged if different
21. Cree ee rT Teer ee ee ee xvi Pie Tre ete Lee ILL eT ee ee Tee iia Sd an aia xvi Generar IMormatiOn cs eis ek eb asi maior ER d CORO DEKA ob ats Rd aqoa D Rei a dra 1 1 Maintenance abprOSC ea ot EE EE P dr eee bokeh EE odo ACA ao Pr Mel Re ema o RR n RS 1 1 Overview of the operator Panel sven AER ELSEN aie na ana AR ELTERE RR A CROCI CR aa a 1 2 Specifications acea da oe dee HEE E aue Rr ean Causa DO ces E E See baad at bee 1 3 MEMORY oras ieddeek ox E a do ANA HA Rad HARD ho Bargains 1 3 Punt Quality eed des dob Rr rine A dol E Gp Qus d eae enews named Sia Sa 1 3 Media trays and Supply Capacity auus meses A Ex RR ena EEES ed 1 4 Connectivity and compatibility 52355334493 Ead Ra RAE Ra RR ONU MCA AGE ue mts eee 1 5 Types of print MEG aa ad EES he od ea EE RE da d AR RR o RAL Fo bod NAAA ned 1 6 Lips On Preventing AMS uix Senda Sa Code gn folida iaa nies de Pineda dca lab Rob ga E 1 7 Paper path aroma edu exea ski o eR Eaque Fa du qud rog qi cims is QE RR ada T 1 7 TOS sided gam tiene RS DE RE AA AA AA A ARA ser ala Rea IR aR a 1 8 Popp Ee T ERm 1 9 Diagnostics information iuis 2 1 c pP P A EE ee EE 00 122 1 10207 be 2 1 Ssyti ptomiableS o2oednobrec cPRSTRMREO RH PT RETE RERSPRERSAR ER A e 2 1 Salve CHOIS CU IOC E uico dob adobe Gabrigatesmatssmdeitatgacit st meces 2 1 User status and attendance messages 4 ua Laia nee 2 1 Overview of the oper
22. Earliest error code TTT Next error code The printed event log can be faxed to Lexmark or your next level of support for verification or diagnosis 3 24 Service Manual 4512 630 To print the event log Select Print Log from EVENT LOG Press Back Q to return to EVENT LOG Clear Log Use Clear Log to remove the current information in the Event Log This affects both the viewed log and the printed log information 1 Select Clear Log from the Event Log menu 2 Select YES to clear the Event Log or NO to exit the Clear Log menu If YES is selected Del eti ng EVENT LOG displays on the screen Press Back amp 5 to return to EVENT LOG EXIT DIAGNOSTICS This selection exits Diagnostics mode and Resetting the Printer displays The printer performs a POR and the printer returns to normal mode Diagnostic aids 3 25 4512 630 Configuration menu CONFIG MENU Entering Configuration Menu 1 Turn off the printer Turn on the printer p Se e Press and hold Y and gt Release the buttons when Performing Self Test displays The message CONFI G MENU displays on the top line of the operator panel Available menus Maint Cnt Value See Maintenance page count Maint Cnt Value on page 3 27 Reset Maint Cnt See Maintenance page counter reset Reset Maint Cnt on page 3 27 Reset PC Cnt Prt Quality Pgs See Print quality pages Prt Quality Pgs on
23. J1 1 Signal Smart chip 2 Ground J2 1 Less than 5 V dc Toner level sensor 2 Ground 3 Signal J3 1 3 5 Signal Operator panel 2 5 V de 4 7 Ground 6 3 3 V dc J4 1 Ground Cooling fan 2 24 V dc J5 1 3 Signal LSU drive 2 Ground Front cover open switch J6 1 2 5 V de Less than 1 V de Cover closed 3 Ground 1 0 V dc Cover open 2 5v 3 Ground J8 2 4 7 Ground LSU 10 5 V de 1 3 5 6 8 9 Signal J9 1 2 24 V de Reversing solenoid 2 Less than 1 V de J10 1 Less than 5 V de Narrow media sensor 2 5 V de 3 Ground J11 1 Less than 5 V dc Exit sensor 2 5 V de 3 Ground J13 1 5 V de Thermistor 2 Ground 5 2 Service Manual 4512 630 Connector Pin Value Value Comments cableplugged cable unplugged if different J15 1 5 V dc LSU HSYNC 2 3 Signal 4 Ground J17 1 4 Signal 3 2 V dc Main motor 5 Ground 6 5V dc 7 9 24 V dc Less than 24 V dc J19 1 6 Signal LVPS HVPS 7 Ground 8 9 24 V dc 10 11 15 Signal 12 14 Ground 13 5 V de J20 1 Less than5 Vdc 5Vdc Manual feed sensor 2 5 Vdc 5 Vdc 3 Ground J21 1 4 24 V dc Manual feed solenoids 1 3 24 V dc 2 4 0V dc J22 1 4 5 Signal Tray 2 2 3 24 V dc 6 Ground J25 1 Less than 5 V dc 5 V dc Paper feed and duplex sensors 2 5 V dc 5 V de 4 Less than V de 5 V de 5 5 V de 5 V de 3 6 Ground Locations and connections 5 3 4512 630 Connectors System board
24. Repeating jams or jam messages can be caused by any of the following e Faulty contaminated pick solenoids or worn cams of the solenoids e Faulty contaminated flags or springs e Debris in the paper path Media not of the specified length Paper jam error codes 200 series Error Description 200 00 Paper jam around input sensor 200 01 Classic input jam The media is too long over the input sensor Possible causes include multi sheet feed tray size sensing problem and media slippage 200 02 The main input sensor never became uncovered from the sheet ahead 200 03 The video never started on the page at the input sensor within two inches after hitting the input sensor 200 04 The media at the input sensor before interrupt occurred not enough time elapsed since the printhead started to expect the printhead mirror motor lock Possible causes include bouncy sensor or exceptionally fast pick perhaps due to media pre staged in the source tray 200 06 Imaged page not expected page bouncy passthru sensor 200 08 Media reached the input sensor before the EP was ready 200 09 Transfer servo never started 200 12 Media detected at manual feeder sensor when not expected Possible causes include user insert of media when motor is running or pre staged media in the tray 200 13 The input sensor is covered when the media is not expected media in machine during warm up
25. The toner cartridge or the fuser may be the cause due to excessive page count or defect Replace as needed If the lines are parallel and match the two intended ghost images the Form Type may be incorrectly set Check those settings The PC cleaner sump may be full Replace the PC kit 2 28 Service Manual 4512 630 Print quality problems Continued Problem Cause action Toner smears or rubs off the page Toner is not being fused to the media Replace the fuser Change the media texture setting in the driver If special media is being used such as card stock or labels be sure to select the correct media type Try a different kind of media Media designed for copiers gives the best quality fusing The print is getting light but the printer has not indicated it is low on toner Toner is becoming low in the cartridge TheToner Low message does not display if the 1 500 page toner cartridge is installed Remove the toner cartridge and gently shake it from side to side to redistribute the toner Replace the toner cartridge TheToner Low message displays Remove the toner cartridge and gently shake it from side to side to redistribute the toner Replace the toner cartridge Solid black areas on transparencies There is a mismatch in the transparency and what the software is expecting Choose a different fill pattern in the software program Remove the toner
26. a esotersacocio cessos bed SO ICS DELS ERE CAERLEON Ap SE 3 17 Bill dg NET COEM ROLE KDUSE ROLE TS PUR AA 3 17 INPUT TRAV TESIS EE BS E CCBO TRE sees bep BS TR ga Et da Kx wane nes 3 18 Feed rests pul tay uir son dee S nd eoe cote eden qe du Vpdug eie qur dus icayi ee qiie dires 3 18 OUTPUT BIN TESTS lt lt 20 REN sake ok ck RR aie SERIEN Se UR ESE AUR E a aime mas wy e 3 19 Feed Tests output DINS isse ote uou RR GR ERREPREE REA SIT edr dera 3 19 Sensor Test standard output BIN a A kae ken E EIN SIE a ana muts 3 19 BASE SENSOR TEST i 2o da Hk o ai id a i 3 20 PRINTER SETUP saccos n n Rem ROS cR IHR Ei CR e EES Ed EE RES EEES EE Err 3 21 BONES 2 Re P ROSE EE A PI VPE RI SI ETC P Pes 3 21 Page COUN creen dates ae Pad DRE Rene Qoia ded been neg gada recs den dud 3 21 Perm Page Count permanent page count 0 0 cece esee 3 21 Sala NuMBER ccc choad sodas ra Aid 3 21 Endine setting Kette e ESE PERO EES 3 21 Model NAITIG sacarina ens red pieta Rew piede Ree anis ee Rut A 3 21 Goonhgurauom ID nod pt sh See Dee Loe seh ote pa dob Ear UA 3 22 Edge te Edge second ka o adr o en Gas A QC PESE PB nq 3 22 Parallel strobe adjustment Par x Strobe Adj 3 22 iV Service Manual 4512 630 EP SETUP soi swing sachin acacia is Sete Heme EE SCAURUS EPS are eR aeRO SE m 3 23 EP Defaults 21259 xoqms o000946 arras dew eee ex 3 23 Fuser Temperature Fuser Tamb cronos cra E E due hae 3 23 BIS S Sio do peau AS Ad edad dde ud 3 23 Pin Con
27. and data may be lost It cannot be undone Page Count The page count can only be viewed and cannot be changed To view the page count 1 Select Page Count from PRINTER SETUP 2 Press Back S to return to PRINTER SETUP Perm Page Count permanent page count The permanent page count can only be viewed and cannot be changed To view the permanent page count 1 Select Perm Page Count from PRINTER SETUP 2 Press Back to return to PRINTER SETUP Serial Number The serial number can only be viewed and cannot be changed To view the serial number 1 Select Serial number from PRINTER SETUP 2 Press Back S to return to PRINTER SETUP Engine Setting 1 through 4 Warning Do not change these settings unless requested to do so by your next level of support Model Name The model name can only be viewed and cannot be changed Diagnostic aids 3 21 4512 630 Configuration ID The two configuration IDs are used to communicate information about certain areas of the printer that cannot be determined using hardware sensors The configuration IDs are originally set at the factory when the printer is manufactured however the servicer may need to reset Configuration ID 1 or Configuration ID 2 whenever you replace the system board The IDs consist of eight hexadecimal characters including 0 through 9 and A through F Note When the printer detects a Configuration ID that is not defined or invalid the following occurs Th
28. cartridge and gently shake it from side to side to redistribute the toner Try a different type of transparency Replace the toner cartridge Faint images or repetitive spots appear on the page Select a different media type or form type setting from the printer driver Try a different type of media Media designed for copiers gives the best quality Replace the toner cartridge Pages are blank The print cartridge may be out of toner or defective Replace the cartridge There may be a software error Re initialize the printer by turning it off and back on With the printer off check the printhead beam path If clear check for a printhead error on POR See Printhead service check on page 2 31 Diagnostics information 2 29 4512 630 Print quality problems Continued Problem Cause action The printer is on and indicates ready but nothing prints Make sure the parallel or USB cable is not damaged and is firmly plugged into the connector on the back of the printer Make sure the toner cartridge assembly is installed properly Print the menu page found under Utilities If a menu settings page cannot be printed contact the next level of support If a menu settings page can be printed the problem is one of the following e Computer Software program Cable e USB only A failed controller card Replace card Note Test by unplugging USB and plugging it wit
29. cover Open the rear door and the right side cover Loosen the four screws and remove the controller card cover Disconnect the operator panel cable A from J3 on the controller card pam pue 6 Extract the cable and unhook the access cover by pressing the right hinge to the right until it can be lifted up and away from its pivot Relax the hinge above the pivot 7 Inthe same manner move the left hinge from its pivot point 4 2 Lexmark E350d E352dn 4512 420 430 8 Tilt the front cover down and disconnect it on the left side from the link Warning Make sure that the link is not bent or pulled out farther than normal Otherwise the toner cartridge coupler may become dislodged 9 Remove the front access cover Repair information 4 3 4512 420 430 Left side cover removal Remove Tray 1 Open the front access cover Open the rear door Remove the screw A Unlatch the cover from the latches B mne p B A 6 Position the printer with the left rear corner hanging over the edge of the table T Swing the cover open 8 Lift the top rear of the cover over the pivot point and drop the cover away from the printer 4 4 Lexmark E350d E352dn 4512 420 430 Right side cover removal Remove Tray 1 Open the front access cover Open the rear door Release the latches A and swing the cover open he 6 Lift the top rear of the cover over the pivot point and drop th
30. labels are not supported 1 6 Service Manual 4512 630 Tips on preventing jams Paper path Measurements are approximate paper lengths millimeters Sensors are measured at rotation position which they are tripped A Paper path A B 117 8 B Manual feed sensor B C 9 6 C Upper end feed rolls C D 60 5 D Input sensor D E 49 0 E Transfer roll E F 110 7 F Fuser F G 26 9 G Fuser exit rolls G H 6 2 H Fuser exit sensor H I 127 2 l Exit rolls l J 26 4 J Exit sensor l K 217 4 K Duplex unit K L 102 5 L Duplex sensor L M 16 2 M Auto compensator M B 178 9 General information 1 7 4512 630 Most paper jams can be avoided by correctly loading paper and specialty media in the printer The following hints can help prevent paper jams Do not load wrinkled creased or damp media Never mix media types within a tray e Flex fan and straighten the media stack before loading it Note Make sure the media stack is below the maximum media fill indicators on the 250 sheet tray before pushing the tray into the printer e Push all trays snugly into the printer after loading them Make sure paper guides are positioned before loading the paper or specialty media Do not remove trays while a job is printing Wait for a Load Paper a light sequence Before loading transparencies fan the stack to prevent sheets from sticking together Do not use envelopes that Have excessive curl Are stuck together
31. made available in this menu group are used to configure a printer for operation See This selection exits Diagnostics mode andResetting the Printer displays The printer performs a POR and the printer returns to normal mode on page 3 25 for more information Flash system code mode Turn off the printer 2 Press and hold 4 Y and J gt 3 Turn on the printer 4 Release the buttons vvhen Performing Self Test displays To run the printer diagnostic tests described in this chapter you must put the printer in Diagnostic Mode Diagnostic aids 3 1 4512 630 Diagnostics mode Entering Diagnostics mode 1 Press and hold and gt 2 Turn on the printer 3 Release the buttons when Performing Self Test displays Available tests The tests display on the operator panel in the order shown Diagnostics mode tests REGISTRATION See REGISTRATION on page 3 4 Bottom Margin Top Margin Left Margin Right Margin Printhead See Printhead assembly electronic adjustment on page 3 6 Quick Test See Quick Test on page 3 12 PRINT TESTS Tray 1 See Input source tests on page 3 13 Prt Quality Pgs See Print quality pages Prt Quality Pgs on page 3 13 HARDWARE TESTS Panel Test See Panel Test on page 3 14 Button Test See Button Test on page 3 14 DRAM Test See DRAM Test on page 3 14 CACHE Test
32. main Configuration menu Maintenance page counter reset Reset Maint Cnt After scheduled maintenance the servicer needs to reset the page counter To reset the maintenance page count to zero Select Reset Maintenance Count from the Configuration menu The message Reset Maint Cnt Reset displays momentarily When the reset operation is complete the menu returns to the Printer Setup Reset Maintenance Count screen Print quality pages Prt Quality Pgs The print quality test pages can be printed from either the Diagnostics mode or Configuration Menu CONFIG MENU When printed from the Diagnostic mode additional information is included and the print cartridge lockout is bypassed See Print quality pages Prt Quality Pgs on page 3 13 Additional configuration information may be included on the print quality pages which is not included on the print menu page To print the Print Quality Test Pages select Prt Quality Pgs from CONFIG MENU The message Pri nti ng Quality Test Pages is displayed The following is printed e Settings from EP SETUP from DIAGNOSTICS Fuser temperature warm up time transfer print contrast and charge roll settings e Contents of the EVENT LOG from DIAGNOSTICS Printer configuration information Printer serial number controller code level engine code level operator panel code level smart option code levels font versions and so on Values for the QUALITY MENU settings used to print the pages
33. make sure that the ground cable is routed out of the way and will not be pinched or damaged by the rear cover Repair information 4 23 4512 420 430 Fuser power cable removal A Remove the paper exit guide assembly See Paper exit guide assembly removal on page 4 37 Remove the fuser See Fuser removal on page 4 22 Disconnect the power cable from the fuser and pull the cable through the opening in the side frame Place the printer on its top with the back and bottom in view Note Be careful not to mar the finish of the printer RONE 5 Remove the four screws A the machine screw flange head B and the machine screw button head C D B C 6 Use the hook end of a spring hook to disconnect the fuser power cable from the LVPS HVPS side Note The connector latch D is toward the side frame as shown 4 24 Lexmark E350d E352dn 4512 420 430 Link developer drive and access door removal 1 Remove the main motor drive See Main motor drive removal on page 4 28 2 Remove the coupling assembly See Developer drive coupling assembly removal on page 4 16 3 Disconnect the front access door from its hinges See Front access cover removal on page 4 2 Note The cover does not need to be electrically disconnected 4 5 Disconnect the link and door 6 Remove the developer link Repair information 4 25 4512 420 430 A Note Be careful not to mar the finish o
34. o PRECAUCI aquest s mbol indica que el voltatge de la part de l equip amb la qual esteu treballant s perill s Abans de comen ar desendolleu l equip o extremeu les precaucions si per treballar amb l equip l heu de connectar Safety information XV 4512 630 Preface This manual contains maintenance procedures for service personnel It is divided into the following chapters 1 General information contains a general description of the printer and the maintenance approach used to repair it Special tools and test equipment are as well as general environmental and safety instructions Diagnostic information contains an error indicator table symptom tables and service checks used to isolate failing field replaceable units FRUS Diagnostic aids contains tests and checks used to locate or repeat symptoms of printer problems Repair information provides instructions for making printer adjustments and removing and installing FRUs Connector locations uses illustrations to identify the connector locations and test points on the printer Preventive maintenance contains the lubrication specifications and recommendations to prevent problems Parts catalog contains illustrations and part numbers for individual FRUs Appendix A contains service tips and information Appendix B contains representative print samples N em R9 NM Definitions Note A note provides additional information Warning A warning identifies something that
35. passed and finished successfully Initially 000000 displays with the maximum pass count being 999 999 FA represents the number of times the memory test has failed and finished with errors Initially 0000 displays with the maximum fail count being 99 999 Initially only four digits appear but additional digits appear as needed Each time the printer finishes a test it increments P or F by 1 according to the success or failure of the DRAM While the DRAM test executes the power indicator light blinks green To stop the test before completion turn the printer off 3 14 Service Manual 4512 630 Parallel Wrap tests This test is used with a wrap plug to check operation of the parallel port hardware Each parallel signal is tested Use Parallel Wrap for the standard parallel port Parallel 1 Wrap if a parallel port is available by PCI slot 1 or Parallel 2 Wrap if a parallel port is available by PCI slot 2 To run the Parallel Wrap tests 1 Disconnect the parallel interface cable and install the wrap plug P N 1319128 2 Select Parallel Wrap Parallel 1 Wrap or Parallel 2 Wrap from the HARDWARE TESTS menu The power indicator blinks green indicating the test is in progress The test runs continuously until a maximum number of tests is reached Parallel Wrap PO Fon P represents the number of times the memory test has passed and finished successfully Initially 000000 displays with the maximum pass c
36. process to align a new printhead Note Before aligning the printhead electronically first align the printhead mecahnically if needed See Printhead assembly mechanical adjustment on page 3 10 1 Press Go to print Step 1 test page Step 1 printout sample only use actual sheet BA CA so e so i ae ap es es ee 11006 o o oe de oo oo os s os LED On O LED ON 8 LEO Flashing Step 1 of 3 Note that each step may repeat more than once 2 In column BA of Step 1 test page look for the position where the vertical lines are the closest to each other Press gt to select the corresponding number new setting 3 Press and release to move to the CA pattern on the right side of Step 1 test page 4 Press to select the CA setting 3 6 Service Manual 5 Press Go to print Step 2 test page sample only use actual sheet Step 2 printout o lt CA gt LEDOn O LED OH LED Flashing Step 2 of 3 Note that each step may repeat more than once 4512 630 6 Press gt to change the BA settings to the number beside the darkest portion of the vertical bar T Press and release V to move to the lt CA gt settings on the right side of Step 2 test page 8 Press gt to change the CA settings to the number beside the darkest portion of the vertical bar Diagnostic aids 3 7 4512 630 9 Press Go to print Step 3
37. side Note Be sure to protect the machine from marring 3 Remove the six screws A the machine screw B and the ground cable screw C B Ii 3 4 16 Lexmark E350d E352dn 4512 420 430 5 Remove the coupling spring E 6 Remove the developer drive coupling F Repair information 4 17 4512 420 430 Duplex removal Remove the right side cover See Right side cover removal on page 4 5 Remove the left side cover See Left side cover removal on page 4 4 Remove the top cover See Top cover removal on page 4 7 Remove the controller card See Controller card removal on page 4 13 Remove the LVPS HVPS card assembly See LVPS HVPS card assembly removal on page 4 26 Unhook the media level indicator See Media level indicator removal on page 4 33 Remove the top LVPS HVPS shield a Remove the screw A and the screw B at the controller shield b Remove the screw C opposite from screw B on the other side of the printer Note The ground cable is attached to screw C When re installing be sure to reconnect the ground cable eS nS 8 Remove the media level indicator See Media level indicator removal on page 4 33 4 18 Lexmark E350d E352dn 4512 420 430 9 Remove the six screws D 10 Lift the right side opposite the coupler and remove the duplex Note At re installation before tightening the screws locate the duplex unit against t
38. significantly reduced if it is enabled This mode will only be used if the media being printed is Paper This setting is available as a last resort to help improve paper curl problems USB Speed A value of Full forces the USB port to run at full sped and also disables its high speed capabilities Exit Config Menu Press Y to exit the CONFIG MENU The message Resetting the Printer displays and the printer performs a POR and restarts in normal mode Diagnostic aids 3 29 4512 630 3 30 Service Manual 4512 420 430 4 Repair information Warning Read the following before handling electronic parts Handling ESD sensitive parts Many electronic products use parts that are known to be sensitive to electrostatic discharge ESD To prevent damage to ESD sensitive parts follow the instructions below in addition to all the usual precautions such as turning off power before removing logic cards e Keep the ESD sensitive part in its original shipping container a special ESD bag until the part is ready to be installed into the printer Make the least possible body movements to prevent an increase of static electricity from clothing fibers carpets and furniture e Putthe ESD wrist strap on your wrist Connect the wrist band to the system ground point This discharges any static electricity in your body to the printer Hold the ESD sensitive part by its edge connector shroud cover do not touch its pins If a
39. stacking problems However increasing this value also results in slower overall performance measured in pages per minute The range of values is 0 to 255 and the default value is 0 Diagnostic aids 3 23 4512 630 EVENT LOG Display Log The event log provides a history of printer errors It contains the 12 most recent errors that have occurred on the printer The most recent error displays in position 1 and the oldest error displays in position 12 if 12 errors have occurred If an error occurs after the log is full the oldest error is discarded Identical errors in consecutive positions in the log are entered so there may be repetitions All 2xx and 9xx error messages are stored in the event log To view the event log 1 Select Display Log from EVENT LOG Up to three error codes display at a time Press A or W to view additional error codes 2 Press Back Q to return to the EVENT LOG menu Print Log Additional diagnostic information is available when you print the event log from DIAGNOSTICS rather than CONFIG MENU The Event Log printed from DIAGNOSTICS includes Detailed printer information including code versions Time and date stamps Page counts for most errors e Additional debug information in some cases Model and Event Log Serial number Lexmorh T842 tle eren Device tofermation Printer information Panel display Erant iag tament when error occurred _ E Page count d
40. the driver Paper Menu Paper Source Paper Size Paper Type Custom Types Universal Setup Substitute Size Paper Texture Paper Weight Paper Loading PostScript Menu Print PS Error Font Priority PPDS Menu Orientation Lines per Page Lines per Inch Page Format Character Set Best Fit Tray 1 Renumber Auto CR after LF Auto LF after CR 2 4 Service Manual Finishing Menu Duplex Duplex Bind Copies Blank Pages Collation Separator Sheets Separator Source Multipage Print Multipage Order Multipage View Multipage Border PCL Emul Menu Font Source Font Name Point Size Pitch Symbol Set Orientation Lines per Page A4 Width Tray Renumber Auto CR after LF Auto LF after CR Parallel Menu Std Parallel Utilities Menu Print Menus Print Stats Print Net Setup Print Fonts Print Directory Factory Defaults Format Flash Defragment Flash Hex Trace Setup Menu Eco Mode Quiet Mode Printer Language Power Saver Resource Save Print Timeout Wait Timeout Auto Continue Jam Recovery Page Protect Display Language Toner Alarm Network Menu Standard Network Job Menu Reset Printer Quality Menu Print Resolution Toner Darkness Small Font Enh USB Menu Standard USB 4512 630 Messages and error codes User attendance messages The printer control panel displays messages describing the current state of the printer and indicates possible printer problems that must be resolved This topic provides
41. to clear Printing Quality Test Pages The printer is formatting and printing the Print Quality Test which consists of 4 pages Page 1 contains a mixture of graphics and text pages 2 and 3 contain only graphics and page 4 is a blank page If Duplex is turned on then the pages are duplexed otherwise they are simplexed Wait for the message to clear Prog Engine Code DO NOT POWER OFF The printer is programming new engine code Wait for the message to clear and the printer to reset Warning Do not turn the printer off while this message is displayed Program Flash DO NOT POWER OFF The printer is storing resources such as fonts or macros in flash memory Wait for the message to clear Warning Do not turn the printer off while this message is displayed 2 6 Service Manual 4512 630 User attendance messages Continued Message Action Prog System Code DO NOT POWER OFF The printer is programming new system code Wait for the message to clear and the printer to reset Warning Do not turn the printer off while this message is displayed Ready Send a job to print Remove Paper Standard Bin The standard output bin is full Resetting Maint Cnt Valu The printer is resetting the counter that tracks wear on the fuser Resetting PC Cnt Value The printer is resetting the counter that tracks wear on the photoconductor Resetting the Printer Wait for th
42. 00 Paper jam near the manual feeder 251 10 Second pick attempt failed from manual feeder 251 11 Failed to feed from manual feeder Pages in the paper path have been flushed to the output bin 251 12 Second pick from manual feeder tray 1 or feeder failed when media was in the source while the other sheets were committed to the paper path 251 19 Media never reached the input sensor from the manual feeder Diagnostics information 2 11 4512 630 Service error codes Service error codes are generally non recoverable except in an intermittent condition when the printer can be put into POR to temporarily recover from the error condition Service error codes 9xx Error Description Engine software service errors 902 xx Engine software error Transfer service errors 917 00 Transfer service error 917 01 Transfer servo result too low Fuser service errors 920 00 Under temperature during steady state control 920 01 Fuser took too long to heat up after transitioning to new enhanced mode 920 02 Fuser fell too far below desired temperature while printing 920 03 Fuser too cool while checking for slope change 920 04 Fuser too cool when heating to desired temperature after slope change 920 05 Fuser under temperature while printing 920 06 Fuser under temperature while printing 920 07 Fuser under tempe
43. 20 430 5 Rotate the motor drive counterclockwise until the two plastic links can be separated n S N 6 Remove the main motor drive Repair information 4 29 4512 420 430 Manual feed sensor removal Remove the right side cover See Right side cover removal on page 4 5 Remove the controller card cover by loosening the four screws and sliding the cover free from the screws Disconnect the sensor from J20 MPF SNS on the controller card and free it back through the opening of the side frame 4 Place the machine on its top ad eo Note Be careful not to mar the finish of the printer 5 Lift the door on the duplex and auto comp 6 Remove the screw A A 7 Free the cable from its retainer and pull it through the opening toward the sensor mount Re installation note Insert the hook end of the spring hook through the frame opening from the controller card side Extend the hook until the sensor connector can be hooked e Hook the spring hook to the connector and pull it through the opening Place the sensor into position and reconnect the cable on the controller card Using the spring hook be sure to reroute the cable through the three retainers between the sensor and side frame 4 30 Lexmark E350d E352dn 4512 420 430 Manual paper feed clutch 1 Open the left side cover See Left side cover removal on page 4 4 for more information 2 Tilt the printer onto its right side
44. 21 Paper feed Service CHECKS avisas nodes ME RR bd RR HARA Ue daba A MO Bard ea based cd 2 21 Paper jam ertorindicallon during POST uide sadet paren did 2 21 Media picks during POST and or continuously 2 21 Media picks but stops halfway through the printer 2 22 Table of contents iii 4512 630 Media never PICKS aer caia Aa 2 22 Media occasionally mispicks or picks multiple sheets at once 2 22 MEDI GROS decides s nde epp IN des Re VE DES De AS 2 23 Media trees wrinkles stacks poorly or curls 2 23 Parallel or USB port service check 2 045 ccc oorr rash aha ee ee ee ee 2 23 Print quality service Checks ci cine AAA eee eRe dera roinas 2 24 Blank page sseteesseem9bkee REP HERR Eea UR PRSE TU PC HBISRYPERRPRRMPSOPPRSTCS 2 24 SE 2 25 Heavy background 2246165 4043595696 95346 99545 G55 05 Mads que digues SE eer 2 25 Partial blank image white spots no repeating pattern 2 26 Variation in image density horizontally across page u e ees 2 26 Pool IBsipg OF MAGS ion tow hoses oboe seine Ei 2 26 LORDOM oes iboesiytsAPQOREAP OE EHE RIEN ier sgusect heed qud qax bp d ed du 2 27 Wate OF Black mes OR BRI set ates r mens tes neces me seno de Pardi edo ett rog 2 27 Jare pack OL Page snk nednt hinds de babe boue eT E dU RE dub dox Sur dob bote dud d 2 27 Solving print quallly Problems scessseposiebpe RR ER RRER RPROUEPRTR rs 2 28 Printhead service Check emana
45. 3 40X2839 1 1 Rear upper and lower cover assembly 4 40X2858 1 1 Legal extender dust cover 5 40X2837 1 1 Right side cover 6 40X2843 1 1 Optional media drawer assembly 7 40X2844 1 1 Tray 2 assembly 8 40X2855 1 4 Tray 2 wear strips 9 40X2854 1 4 Tray 1 wear strips 10 40X2842 1 1 Main tray 11 40X2836 1 1 Left side cover 12 40X2818 1 1 LCD bezel cover E450dn 13 40X2840 1 1 Front access cover assembly Parts Catalog 7 3 4512 630 Assembly 2 Electronics US 7 4 Service Manual Assembly 2 Electronics 4512 630 Asm Part Units Units Description Index number mach FRU 2 1 40X2803 1 LSU E350d E352dn E450dn printhead 2 40X2800 1 Fuser assembly 110 V 2 40X2801 1 Fuser assembly 220 V 2 40X2802 1 Fuser assembly 100 V 3 40X2833 1 Miscellaneous cable assemblies 1 Thermistor 1 LVPS HVPS to controller card 1 Main drive gear assembly motor to controller card 1 Fuser power LVPS to fuser 4 40X2823 1 1 Duplex and media sensor assembly 5 40X2813 1 1 Cover open sensor assembly 6 40X2856 1 1 Narrow media sensor 7 40X2828 1 1 Cooling fan 8 56P2076 1 1 Toner low sensor RO 9 40X2808 1 1 Controller card E450dn 10 40X2819 1 LVPS HVPS card assembly 110 V 10 40X2820 1 LVPS HVPS card assembly 220 V 11 40X2811 1 LCD operator panel assembly E450dn 12 40X2824 1 1 Manual input sensor assembly 13 40X2845 1 1 Pickup and manual feed solenoids 14 40X2826 1 1 Main drive gear assembly 15 40X2846 1 1 Rev
46. 450 DN Wiring Diagram e Operator Panel Es Es la ls fal O OI OO I J3 S EE 3 aa E J1 2 Hall U O min Q EE Motor Drive AE E A E GL Bu CT V O O FESS ar 24VDC C1 VV E El LII el Ea EEE ooo o J17 3 PNC3 PNC2 PNC1 CEEEEELELEEELZLIj Le Led CEELI de Le Le Le pod fe fis fiefs Power supply Identifier Zero Cross Out Relay Drive o J8 J9 T Cooling Fan Duplex Toner Level Galvo Motor Solenoid Dr Blade Sensor Cover Open Narrow Exit Switch L Sensor Sensor LSU Developer II T O LLL IL LI Ill 117 a TUE y HHHH T amp o PN sl 9 2 alle dg e ha E o S A 3 IS 912 El sl ME z folelo 8 8 ala olrla BIE BI ol gt el 2 cis Elo 19 lt Zlu IE Kal IE EL sZ z Edi Ki ell gil Allge Sl JS 8 8 Sl lE slz sals 5 7 sTsI Ds ESE Lets Le 2 Dos Le fe F2 E 9 HB JM e i DD al Heat On Transfer Servo Output SSS SS Transfer Enable Hong Ll ls Le IIS Developer PWM 5 lalala Charge PWM 6 3 amp 2 amp 2 E ps g 5l EIAS mg e w o o Kik El
47. 6 toner on back of page 2 27 white or black lines 2 27 printhead 2 31 transfer roll 2 31 service error codes 2 12 special tools 1 8 specifications connectivity 1 5 input trays 1 4 memory 1 3 operating systems 1 5 photoconductor capacity 1 4 print media 1 6 toner capacity 1 4 start 2 1 strobe adjustment 3 22 symptom tables 2 15 POST 2 15 printer 2 16 system code 3 1 4512 630 T tires removal 4 38 tools 1 8 Top Margin duplex 3 16 simplex front side 3 4 transfer roll parts catalog 7 7 removal 4 42 service check 2 31 U user attendance messages 2 5 W wrap tests 3 15 Index 1 3 4512 630 LA Service Manual 4512 630 Part number index P N 1319128 40X0270 40X0271 40X0274 40X0275 40X0276 40X0277 40X0278 40X0279 40X0280 40X0281 40X0282 40X0287 40X0288 40X0289 40X0296 40X1300 40X1323 40X1328 40X1333 40X1333 40X1333 40X1333 40X1364 40X1365 40X1366 40X1367 40X1368 40X1371 40X1512 40X1513 40X1514 40X1515 40X1564 40X2801 40X2802 40X2803 40X2808 40X2811 40X2812 40X2813 40X2817 40X2818 40X2819 40X2820 40X2821 40X2822 40X2824 40X2825 40X2826 40X2829 40X2830 40X2831 40X2832 Description Page Parallel wrap plug e 3 15 Power cord 1 77M straight Japan 7 8 Power cord 6 foot United Kingdom _ 5 em III 7 8 Power cord 6 foot Switzerland 2 225 III 7 8 Power cord 6 fo
48. A Main gear drive Main motor cable LVPS HVPS Controller card Warning Do not replace the operator panel and controller card at the same time Each card contains the printer settings When either of these cards is new it obtains the settings from the other card Settings are lost when both are new and replaced at the same time Turn off the printer and unplug the main motor cable at J17 Turn on the printer and check for the following voltages at J17 J17 pins Voltages Pins 1 4 Approx 3 3 V dc Pin 6 Approx 5 V dc Pins 7 9 10 V dc 24 V dc Verify ground at pin 5 for both the card and cable f these voltages are correct check the main motor cable for continuity Remove the left side cover to access the connector on the motor If continuity exists on each wire replace the main gear drive which includes the motor If continuity does not exist on one or more of the wires replace the motor cable f these voltages are not correct see Controller card connector pin values on page 5 2 or replace the controller card See Controller card removal on page 4 13 2 20 Service Manual 4512 630 Operator panel service check Inspect the operator panel cable for damage Make sure the cable is plugged in securely Run POST and check each light for proper operation See Power On Self Test POST sequence on page 2 1 LCD Operator panel service check FRU
49. Any reference to a product program or service is not intended to state or imply that only that product program or service may be used Any functionally equivalent product program or service that does not infringe any existing intellectual property right may be used instead Evaluation and verification of operation in conjunction with other products programs or services except those expressly designated by the manufacturer are the user s responsibility Lexmark Lexmark with diamond design MarkNet and MarkVision are trademarks of Lexmark International Inc registered in the United States and or other countries PictureGrade is a trademark of Lexmark International Inc PCL O is a registered trademark of the Hewlett Packard Company All other trademarks are the property of their respective owners 2006 Lexmark International Inc All rights reserved UNITED STATES GOVERNMENT RIGHTS This software and any accompanying documentation provided under this agreement are commercial computer software and documentation developed exclusively at private expense P N 12G9709 4512 630 Table of contents Table Ol CODIGOS 40444 64 0 0040 eW ek 04544454 AAA AAA iii Notices and safety information oooocconncconnn vii Laser olo Bug aiii iene EDAR EEES dra hee IUE d irt d aN Gan LES NR RE me EEES vii Safety informati n iiis oras ates dr Resa PERRO RESI RAE I ARMAS REGE A mates Ra E RENE NE ME Us xiii err rrr rr Te TT rr TC CeCe TV
50. C cables fuser power cable 4 24 code update 3 1 compatibility 1 5 Configuration ID 3 22 configuration menu accessing 3 1 3 26 available menus 3 26 Demo Mode 3 28 Energy Conserve 3 28 Env Prompts 3 28 EVENT LOG 3 28 Factory Defaults 3 28 Maint Cnt Value 3 27 Panel Menus 3 27 Paper Prompts 3 28 PPDS Emulation 3 28 Prt Quality Pgs 3 27 Reset Maint Cnt 3 27 control panel 1 2 controller card removal 4 13 service check 2 17 D defaults EP defaults 3 23 factory defaults 3 28 US Non US defaults 3 21 diagnostics mode 3 2 accessing 3 1 available tests 3 2 BASE SENSOR TEST 3 20 DUPLEX TESTS Duplex Feed 1 3 17 Quick Test 3 16 Sensor Test 3 17 Top Margin 3 16 4512 630 EP SETUP Charge Roll 3 23 EP Defaults 3 23 Fuser Temp 3 23 Gap Adjust 3 23 Print Contrast 3 23 Transfer 3 23 EVENT LOG Clear Log 3 25 Display Log 3 24 Print Log 3 24 exiting 3 4 HARDWARE TESTS Button Test 3 14 DRAM Test 3 14 Panel Test 3 14 parallel wrap tests 3 15 INPUT TRAY TESTS Feed Test 3 18 OUTPUT BIN TESTS Feed Test 3 19 Sensor Tests 3 19 PRINT TESTS input source 3 13 Prt Quality Pgs 3 13 PRINTER SETUP Configuration ID 3 22 Defaults 3 21 Edge to Edge 3 22 engine settings 3 21 Model Name 3 21 Page Count 3 21 Par x Strobe Adj 3 22 Perm Page Count 3 21 Serial Number 3 21 REGISTRATION 3 4 DRAM Test 3 14 duplex tests Duplex Feed 1 3 17 Quick Test 3 16 Sensor Test 3 17 Top Margin 3 16 E error messages service error co
51. E PG RES 3 29 Exit Config Menu xcix cano RR ca aa Ras CR RR a acm a EE Halo RR ORC CRURA DR 3 29 HepalrinTormalloh iussa oes ipeo ER PPS AP PRTERUM IMP EOM PEEQ PA P PRI RU PP EPtESU EE 4 1 Handling ESD sensitive Pants sace na 00 020 he dock HE RE dames AAA Feb UR do EORR E PRO e 4 1 Removal Procedures anxa ERUN cima cake CE ORO ade antics ENEE KEEN Ra E RR CR Rc a RR 4 1 Front access cover remOVal s e Res RU RRERYRGORHRRSSERYVER RERO e RES RESET 4 2 Lei Stee CONCEPTE MON seues DER ERRORIS PS RSE rs 4 4 Right side cover removal socorrer I MR P Y TREE I ERE creus m s Ges 4 5 EE 4 6 Top coverremaval eda ernie UR RD tic rr 4 7 Auto Comp PaiDVal au east exceeds e dob ee DR Aoi e qus bord 4 9 Auto competie FOImoval 5222224399204 PESRer ANA 4 10 Auto comp dive shat assembly removal EE 4 11 BoreltemoVval evt e e REA A1 RP a Roe dS ES Ra ES xd AE Au 4 12 Controler card removal mesos astra es 4 13 Cover open Sensor removal EE 4 15 Developer drive coupling assembly removal 4 4 e 4 16 Duplex o MA O Raga eq aad ER wile uitia es 4 18 Duplex dear Tu EE 4 20 STEET vers dues SR RE Geox vid msan dee sac d bd gode iie diro dedi s 4 21 Flag removal top cover right 5 2 22 og NEES EEN 4 21 ROSS MOV M PLC PEU 4 22 Fuser power Cable TemoVal i59 qe RR RR Repo rbd 4 24 Link developer drive and access door removal ua eee eee 4 25 EVPS HVPS Catal assembly removal auspicia dede 4 26 IHR KEREN ge stees Se
52. Edition May 15 2007 mm N p uu Lexmark E450dn Service Manual SSES e Table of contents e Start diagnostics e Safety and notices e Trademarks e Index 4512 630 Edition May 15 2007 The following paragraph does not apply to any country where such provisions are inconsistent with local law LEXMARK INTERNATIONAL INC PROVIDES THIS PUBLICATION AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some states do not allow disclaimer of express or implied warranties in certain transactions therefore this statement may not apply to you This publication could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated in later editions Improvements or changes in the products or the programs described may be made at any time Comments may be addressed to Lexmark International Inc Department D22A 032 2 740 West New Circle Road Lexington Kentucky 40550 U S A or e mail at ServicelnfoAndTraining Lexmark com Lexmark may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you References in this publication to products programs or services do not imply that the manufacturer intends to make these available in all countries in which it operates
53. PS HVPS to controller 7 5 Cable assembly misc toner sensor saamaa diaa nn rere 7 5 32MB SDR DIMM 7 8 64MB SDR DIMM 2 2 2 meca e eee ee ee 7 8 128MB SDR DIMM lt nn 7 8 Parallel cable packaged mi 7 8 USB cable packaged 2m 0200 I III I II III 7 8 256MB SDR DIMM 9 9e m e eem ee em eme ee rm eene dia a menm 7 8 Japanese font card assembly 2052 r rr rrr rrr rrr rr rrr rrr ree 7 8 Simplified Chinese font card assembly 7 8 Traditional Chinese font card assembly 7 8 Korean font card assembly 7 8 32MB flash card assembly ee ce es ee eee mes 7 8 Fuser assembly 220 Ne 7 5 Fuser assembly 100 V notan 7 5 LSU E350d E352dn E450dn printhead II 7 5 Controller card E450dn u r eurer rrr rec euer rm rr rmm 7 5 LCD operator panel assembly E450dn om I III 7 5 Top cover right flag lt m mmm Rem m Re meme neue uem 7 3 Cover open sensor assembly 2 22 7 5 Tray 2Paperfeedtires ie in meme emm Ree ia SEG Se oe SEE ee e e iere ne Cr LCD bezel cover E450dn ee ee mea rrr rrr rrr rrr rrr 7 3 LVPS HVPS card assembly 110 V ee me
54. Participating Standards Organization Raster Image Processor Toner Add Roll Synchronous Dynamic RAM Universal Serial Bus Volts alternating current Volts direct current 4512 630 General information 1 9 4512 630 1 10 Service Manual 4512 630 2 Diagnostics information Start CAUTION Unplug power from the printer before connecting or disconnecting any cable assembly or electronic card This is a precaution for personal safety and to prevent damage to the printer Use the service error code user status message user error message symptom table service checks and diagnostic aids in this chapter to determine the corrective action necessary to repair a malfunctioning printer They will lead you to solutions or service checks including use of various tests Symptom tables If your machine completes the Power On Self Test POST sequence on page 2 1 without an error and you have a symptom go to Messages and error codes on page 2 5 Locate your symptom and take the appropriate action Service errors 9xx xx s If a service error code appears while you are working on the machine go to Messages and error codes on page 2 5 and take the indicated action for that error Service error codes are indicated by a three digit error code followed by a period and additional numbers in the format XXX YY In most cases five digits are shown User status and attendance messages User status messages provide th
55. R DIMM NS 40X1367 1 Parallel cable packaged 3 m NS 40X1368 1 USB cable packaged 2 m NS 40X1371 1 256MB SDR DIMM NS 40X1564 1 32MB flash card assembly NS 40X1512 1 Japanese font card assembly NS 40X1513 1 Simplified Chinese font card assembly NS 40X1514 1 Traditional Chinese font card assembly NS 40X1515 1 Korean font card assembly Assembly 5 Power cords Asm Part Units Units Description Index number mach FRU NS 40X0289 1 Power cord 1 8M straight USA Canada NS 40X0278 1 Power cord 6 foot straight Europe and others NS 40X0288 1 Power cord 8 foot straight Argentina NS 40X0271 1 Power cord 8 foot straight United Kingdom NS 40X0275 1 Power cord 6 foot straight Israel NS 40X0274 1 Power cord 6 foot straight Switzerland NS 40X0276 1 Power cord 6 foot straight South Africa NS 40X0287 1 Power cord 6 foot straight Traditional Italy NS 40X0279 1 Power cord 6 foot straight Denmark NS 40X0277 1 Power cord 6 foot straight Brazil NS 40X0282 1 Power cord 1 8M straight PRC NS 40X0270 1 Power cord 2 5M straight Japan NS 40X0280 1 Power cord 1 8M straight Korea NS 40X0281 1 Power cord 1 8M straight Taiwan NS 40X0296 1 Power cord 1 8M straight Australia 7 8 Service Manual Index A abbreviations 1 9 acronyms 1 9 autocompensator tires 4 38 B Button Test 3 14 buttons accessing service menus 3 1 Button Test 3 14
56. S HVPS board at PCN3 Clean as necessary If this does not correct the problem replace the following FRUs one at a time in the order shown LVPS HVPS board See Black page on page 2 25 for pin values Controller card Diagnostics information 2 25 4512 630 Partial blank image white spots no repeating pattern FRU Action Toner cartridge not a FRU Remove the toner cartridge assembly and gently shake the assembly to evenly distribute the toner Check to make sure that the laser light path is not blocked If toner cartridge is low try a new one Paper not a FRU Make sure recommended media is being used Check the media settings in the printer driver A heavier media may require higher heat to properly fuse Variation in image density horizontally across page FRU Action PC Kit not a FRU The charge roll may have an unbalanced force against the PC photoconductor drum Try anew PC Kit Transfer roll Note Do not touch the transfer roll except at its ends Place a sheet of paper over the roll to prevent damage from finger oils or hand lotion Check the springs in the left and right transfer roll bearings The bearing assemblies should support the transfer roll applying evenly distributed forces to the PC drum Replace the transfer roll assembly if the springs or bearings show signs of damage or fatigue Inspect the transfer roll for signs of wear
57. Test duplex This test is used to determine whether or not the duplex sensors and switches are working correctly The test allows you to actuate the duplex input sensor located in the back part of the duplex unit and the duplex exit sensor located in the return paper path 1 3 Select Sensor Test from DUPLEX TESTS The message Sensor Test Testing displays Manually actuate each of the duplex sensors When the sensor switch is closed CL closed displays and when the sensor switch is open OP open displays e Duplex input sensor e Duplex exit sensor Press Back amp 5 or Stop to exit the test Duplex Feed 1 This test feeds a blank sheet of paper to the duplex paper stop position 1 This test can be run using any of the supported paper sizes To run the Duplex Feed 1 Test 1 Select Duplex Feed 1 from DUPLEX TESTS The power indicator blinks while the paper is feeding and the message Duplex Feed 1 Feeding displays The message Dupl ex Feed 1 Clear Paper displays when the paper reaches paper stop position 1 and the power indicator turns on solid Remove the media from the duplex unit and clear the message on the operator panel by pressing Stop 8 Diagnostic aids 3 17 4512 630 INPUT TRAY TESTS Feed Tests input tray This test lets the servicer observe the paper path as media is feeding through the printer A blank sheet of paper feeds through the printer as the laser turns off during thi
58. a list of all printer messages explains what they mean and tells how to clear the messages The following table lists the messages in alphanumerical order A message can also be located using the index User attendance messages Message Action Activating Demo Mode Wait for the message to clear Activating Menu Changes Wait for the message to clear Activating Deactivating PPDS Wait for the message to clear Busy Wait for the message to clear or cancel the print job Cancelling Job Wait for the message to clear Change Cartridge Invalid Refill The printer has detected an unsupported refilled cartridge Remove the indicated print cartridge and install a new one Close door Close the specified door to clear the message Deactivating Demo Mode Wait for the message to clear Defragmenting Flash DO NOT POWER Warning Do not turn the printer off while this message is displayed F SF Wait for the message to clear Disabling Menus Wait for the message to clear Note The printer settings cannot be changed from the control panel while the menus are disabled Enabling Menus Wait for the message to clear Flushing Buffer Wait for the message to clear Formatting Flash DO NOT POWER Warning Do not turn the printer off while this message is displayed OFF Wait for the message to clear Invalid Engine Code Download valid engine code to the printer Invalid Standard Network Code T
59. ally a Class IIIb 3b laser that is nominally a 5 milliwatt gallium arsenide laser operating in the wavelength region of 770 795 nanometers The laser system and printer are designed so there is never any human access to laser radiation above a Class level during normal operation user maintenance or prescribed service condition Laser Der Drucker erf llt gem amtlicher Best tigung der USA die Anforderungen der Bestimmung DHHS Department of Health and Human Services 21 CFR Teil J f r Laserprodukte der Klasse 1 In anderen L ndern gilt der Drucker als Laserprodukt der Klasse der die Anforderungen der IEC International Electrotechnical Commission 60825 1 gemaB amtlicher Bestatigung erf llt Laserprodukte der Klasse gelten als unsch dlich Im Inneren des Druckers befindet sich ein Laser der Klasse ID 3b bei dem es sich um einen Galliumarsenlaser mit 5 Milliwatt handelt der Wellen der Lange 770 795 Nanometer ausstrahlt Das Lasersystem und der Drucker sind so konzipiert daB im Normalbetrieb bei der Wartung durch den Benutzer oder bei ordnungsgem Ber Wartung durch den Kundendienst Laserbestrahlung die Klasse bersteigen w rde Menschen keinesfalls erreicht Avis relatif l utilisation de laser Pour les Etats Unis cette imprimante est certifi e conforme aux provisions DHHS 21 CFR alin a J concernant les produits laser de Classe 1 Pour les autres pays cette imprimante r pond aux normes IEC 60825 1 relativ
60. alquer possiblidade de acesso humano a radiac o laser superior a um nivel de Classe durante a operac o normal a manutenc o feita pelo utilizador ou condi es de assist ncia prescritas Laserinformatie De printer voldoet aan de eisen die gesteld worden aan een laserprodukt van klasse Voor de Verenigde Staten zijn deze eisen vastgelegd in DHHS 21 CFR Subchapter J voor andere landen in IEC 60825 1 Laserprodukten van klasse worden niet als ongevaarlijk aangemerkt De printer is voorzien van een laser van klasse lllb 3b dat wil zeggen een gallium arsenide laser van 5 milliwatt met een golflengte van 770 795 nanometer Het lasergedeelte en de printer zijn zo ontworpen dat bij normaal gebruik bij onderhoud of reparatie conform de voorschriften nooit blootstelling mogelijk is aan laserstraling boven een niveau zoals voorgeschreven is voor klasse 1 Lasermeddelelse Printeren er godkendt som et Klasse l laserprodukt i overenstemmelse med kravene i IEC 60825 1 Klasse l laserprodukter betragtes ikke som farlige Printeren indeholder internt en Klasse IIIB 3b laser der nominelt er en 5 milliwatt galliumarsenid laser som arbejder pa belgelaengdeomr det 770 795 nanometer Lasersystemet og printeren er udformet s ledes at mennesker aldrig uds ttes for en laserstr ling over Klasse niveau ved normal drift brugervedligeholdelse eller obligatoriske servicebetingelser viil Service Manual 4512 630 Laserilmoitus Tama tulosti
61. and bottom e Horizontal lines to check for skew General printer information including current page count installed memory serial number and code level To print the Quick Test page Note Print the Quick Test Page on letter or A4 paper 1 Select REGISTRATION from DIAGNOSTICS 2 Press W until the Y appears next to Qui ck Test The messageQuick Test Printing appears on the display Once the Quick Test Page completes printing the Registration screen displays again 3 12 Service Manual 4512 630 PRINT TESTS Input source tests The purpose of the diagnostic Print Tests is to verify that the printer can print on media from each of the installed input options The contents of the Print Test Page varies depending on the media installed in the selected input source Check each Test Page from each source to assist in print quality and paper feed problems To run the Print Test Page 1 Select PRINT TESTS from the Diagnostics menu 2 Select the media source Tray 1 Tray 2 if installed Multipurpose Feeder if installed Envelope Feeder if installed 3 Select Single or Continuous e If Single is selected a single page is printed f Continuous is selected printing continues until Stop is pressed to cancel the test If a source is selected that contains envelopes an envelope test pattern is printed If Continuous is selected the test pattern is printed only on the first envelope Note The Print Test Pa
62. and text The Back Menu and Stop buttons are located to the left of the display the navigation buttons are located below the display and the numeric pad is located to the right of the display Back LCD PS ae er Seleot SNS S Indicator light Navigation buttons Stop The use of the buttons and the layout of the display panel are described in the following table Operator panel Button Function Press the Back button to return to the last screen you viewed Back e Note Changes made on the screen will not be applied if you press the Back button Press the Menu button to open the menu index Menu es Note The printer must be in the Ready state to access the menu index A message indicating the menus are unavailable will appear if the printer is not ready Press Stop to stop the mechanical operation of the printer After pressing Stop Stop the message St oppi ng is displayed When the printer has stopped the status line in the operator panel will show St opped and a list of options will appear 2 2 Service Manual Operator panel Continued 4512 630 Button Function Navigation buttons SA SS A v The Up or Down buttons are used to move up and down lists When navigating through a list using the Up or Down button the cursor moves one line at a time Pressing the Down button at the bottom of the Screen changes the screen to the next whole page lt gt
63. ator panel and menus 1 1 6 cee nnn 2 2 Diagram of the printer menus 1 1 2 0 cece hh hh nh hn 2 4 Messages and error COdBS sie in EE RE FERREA RAE sien ee TERRA EUR RE E RACE RE pad RE E 2 5 Userattendance Messages 522 2233 2a GUERRE irigi a ee ae LAC AC aa OR RC OR UD e 2 5 Cartridge emor MESSAGES ia aix coma AIR AAA Ada 2 8 Paper jam error codes 200 series a ccc EIERE ka a Ra Rs RR RA ACA aoe aren a a RR 2 8 SEVICE COR COGES es mea pies bri ta RERO Ede dea bo RR Rex EE EE tne oa ORO Qe do Eun 2 12 SVG JOE At Se eee eee ee EST ee Ea ES RO RR S BO A Ea d QU ee cb o GES E 2 15 POST symptom table casas xd AAA RR A 2 15 Printer symptom table 6 sick ich ana EIERE dan aa a RRA a Rol RRA ERA 2 16 Service CHECKS emana ats ekia xs eR REFER ss a Ee P PRAFUPRESPPENI EUER ERR Sere ed SE 2 17 Controller card service check issssnkscsanka ara REX CX OX ROUX Oe ERROR ER AA 2 17 Cooling fan service check 2 dasssna ssmadadue ieee X RERO ARA ERRARE SRGRARESLARR RA ma 2 18 Cover interlock switch Service check 00 0 cece eee eee eee eee eee eee nn nnn 2 18 Dead machine Service Check i23 ra b is Sh Ro RUD ia RE a dU CARTER ANASA 2 19 Fuser senice CHECK asma para pd DARIA AAA EE de did odd da dura 2 19 EVPS AVPS SEMIC Cheek cstacaisiGantiga dia fand n Qux de adt dh RUE mera UD A AUR RE RUE P bd 2 20 Main motor service CHECK scans usn Rye REY OC ERU a ERA RR AGRIC Ro ea RC ha dad 2 20 Operatorpanel service check i i222 xao a AA AA 2
64. c 240 V ac for the 220 V printer FRU Action Unplug the printer Remove the LVPS HVPS and check the fuses for continuity If open replace the LVPS HVPS AN f not open check the switch continuity across its conductors with the switch on Turn the switch off Plug the AC line into the LVPS HVPS and switch unit on Note Voltages may be exposed at several places on the board Do these verifications and LVPS HVPS then unplug the card e Verify 24 V dc on pins 8 9 and 10 at PCN1 e Verify approximately 3V on pins 1 3 e Verify approximately 5V on pins 4 and 13 e If voltages are not correct replace the LVPS HVPS e If voltages are correct check the controller card See Controller card connector pin values on page 5 2 Fuser service check When toner is partially fused to the media it is usually caused by low fuser temperature The line voltage to the printer must be within the following limits e 100 V ac 127 V ac for the 110 V model printer e 200 V ac 240 V ac for the 220 V model printer This printer uses a belt fuser and therefore does not have a lamp Fuser service check FRU Action Unplug the printer and disconnect the fuser cable plug from the LVPS HVPS board connector at PCN5 A Check for continuity across the fuser by checking across the connector pins If there is continuity check the LVPS HVPS See LVPS HVPS service check on page 2 20 Fuser power cable LVPS HVPS Fuser
65. ception d origine et sur des composants particuliers Le fabricant n assume aucune responsabilit concernant la s curit en cas d utilisation de pi ces de rechange non agr es e Les consignes d entretien et de r paration de ce produit s adressent uniquement un personnel de maintenance qualifi Le d montage et l entretien de ce produit pouvant pr senter certains risques lectriques le personnel d entretien qualifi devra prendre toutes les pr cautions n cessaires ATTENTION Ce symbole indique la pr sence d une tension dangereuse dans la partie du produit sur laquelle vous travaillez D branchez le produit avant de commencer ou faites preuve de vigilance si l ex cution de la t che exige que le produit reste sous tension Norme di sicurezza Lasicurezza del prodotto si basa sui test e sull approvazione del progetto originale e dei componenti specifici Il produttore non responsabile per la sicurezza in caso di sostituzione non autorizzata delle parti Leinformazioni riguardanti la manutenzione di questo prodotto sono indirizzate soltanto al personale di assistenza autorizzato Durante lo smontaggio e la manutenzione di questo prodotto il rischio di subire scosse elettriche e danni alla persona pi elevato Il personale di assistenza autorizzato deve quindi adottare le precauzioni necessarie e ATTENZIONE Questo simbolo indica la presenza di tensione pericolosa nell area del prodotto Scollegare il prodott
66. d assembly Warning Do not replace the operator panel and controller card at the same time Each card contains the printer settings When either of these cards is new it obtains some of the settings from the other card Settings are lost when both are new and replaced at the same time POST Power On Self Test Note The printer should complete POST in approximately 30 seconds If the printer fails to display lights or activate the drive motor fuser or fan check the following order 1 Power to the LVPS HVPS 2 Power from the LVPS HVPS to the controller card 3 Cables are plugged in correctly especially for the operator panel The printer will not power up without a functioning operator panel 4 The controller card assembly 5 The operator panel See Operator panel service check on page 2 21 Verify 24 V dc input from the LVPS HVPS 1 Turn the printer off 2 Disconnect the LVPS HVPS cable from the controller card at J19 3 Turn the printer on 4 Verify 24 V dc on positions 8 and 9 of the cable connector 5 If voltage is correct check the continuity in the other conductors of the cable If the cable is good check the connectors to the controller board Verify that pins 7 and 12 on both the cable and the card connector are grounded If grounds are not correct on the cable but the cable posses continuity otherwise check the LVPS HVPS 8 If the grounds are not correct on the controller card replace
67. d pick tires tray 1 Check tires for debris If tires are new try reversing each on its hub Paper feed pick tires tray 2 Tray 1 Tray 2 option Check side guides on Tray 1 and Tray 2 Guides set for a full stack of media may be too wide when the stack is short Media trees wrinkles stacks poorly or curls FRU Action Fuser This problem is most likely due to a worn backup roll It causes the printer to run hotter than required for the media being printed Excessive heat can cause media treeing problems poor stacking or curl Print the menu sheet press and release Y with the printer in ready mode Look atthe media settings Some such as card stock or rough texture may require a higher fuser temperature which leads to more of these problems except stacking in plain paper Change settings using the printer driver e Use the local printer setup utility included on the CD to change the NVRAM settings Try a different ream of paper Moist media has a higher tendency to crease treeing and curl Parallel or USB port service check 1 AON Perform a print test to make sure the printer prints correctly Verify that the indicator light is on then press V to print menu settings Be sure the printer parallel cable is designed for bidirectional printing Be sure the user s application is set up correctly If the internal print test page prints correctly the user s ap
68. de DHHS 21 CFR apartat J pels productes laser de classe 1 i segons ha estat certificat en altres llocs s un producte laser de classe que compleix els requisits d IEC 60825 1 Els productes l ser de classe no es consideren perillosos Aquesta impressora cont un l ser de classe IIIb 3b d arseni r de gal li nominalment de 5 mil liwats i funciona a la regi de longitud d ona de 770 795 nan metres El sistema laser i la impressora han sigut concebuts de manera que mai hi hagi exposici a la radiaci laser per sobre d un nivell de classe durant una operaci normal durant les tasques de manteniment d usuari ni durant els serveis que satisfacin les condicions prescrites L 3 icBiy 544104 IO7ZULZS i CKBHCIADHHS 21 CERSZ7T v 75 07241 1 ORB MA LEV V HMCHSS EC LEN TwcvE k ECREDLACRIEC 8250245721205 Alov V 5kcb5s cmBsT COE 225X1IO0v T 8WiiiufsltE7o6xsx oncoEd c 0o TU LA RZ 5205 3b OL P AAMELTIEF CO LT RBOT70 T95FJX P DBGRT BH 537937 bhOAVDAULWMERHITSLU P CH COL Y YAFALIVDA Il EOS 2A VPOA YFIHYVAL D ES NIE BOTE ABRITAIOLANIALO L ik HIM NZCLORWELABHAaANTHEF y D Eng A H ED OL ae 36 EI UGE 47 DHHS 21 CFR Subchapter I WA 25 I 1 BOC d ES tH HE ME Hd Hh p Ru SEGA IE S IEC 825 ES dn TE T I MIC dh RAI RS EE X TT EN OL A BP A35 lb 3b AY IE ERMUA NS ES ENS EURO SS HB RO El fE 770 795 nm Z RI RR RI ENS EA EE VE EAEE A HE A RJ EE ME P ARS f
69. des 2 12 user attendance messages 2 5 ESD sensitive parts 4 1 event log clear log diagnostics mode 3 25 display log diagnostics mode 3 24 print log configuration menu 3 28 print log diagnostics mode 3 24 Index l 1 4512 630 F fan parts catalog 7 5 removal 4 21 service check 2 18 frame parts catalog 7 6 fuser parts catalog 7 5 removal 4 22 service check 2 19 G gap adjustment 3 23 H handling ESD sensitive parts 4 1 input source tests 3 13 input tray feed test 3 18 L LCD operator panel 4 36 locations front views 5 1 rear views 5 1 lubrication specifications 6 1 LVPS HVPS parts catalog 7 5 removal 4 26 service check 2 20 maintenance approach 1 1 maintenance kits 6 1 manual feed print media types and sizes 1 6 menus accessing service menus 3 1 messages service error codes 2 12 user attendance messages 2 5 Model Name 3 21 models comparison 1 1 diagrams 5 1 operator panels 1 2 trays available 1 4 N navigation buttons 2 3 O operator panel Button Test 3 14 LCD 2 2 LED service check 2 21 l 2 Service Manual LED E238 E240 n overview 1 2 Panel Test 3 14 output bin sensor tests standard bin 3 19 P page count Page Count 3 21 permanent page count 3 21 Panel Test 3 14 panel control 1 2 paper exit guide removal 4 37 paper jams tips on preventing 1 7 parallel port service check 2 23 parallel wrap tests 3 15 parts catalog covers 7 2 electronics 7 4 fram
70. e 7 6 options 7 8 power on self test POST 2 1 symptoms 2 15 print media preventing jams 1 7 trays by model 1 4 types and sizes 1 6 print quality pages 3 13 3 27 using 2 24 print quality problems print media 1 7 service check 2 24 solving 2 28 print registration 3 4 printer symptom table 2 16 printhead removal 4 40 service check 2 31 Q quality pages 3 13 3 27 Quick Test 3 12 3 16 R REGISTRATION 3 4 registration 3 4 removals controller card 4 13 cover open sensor 4 15 covers front access cover 4 2 left side cover 4 4 right side cover 4 5 top cover 4 7 developer drive coupling assembly 4 16 fan 4 21 fuser 4 22 fuser power cable 4 24 LVPS HVPS card assembly 4 26 paper exit guide assembly 4 37 paper feed rollers 4 38 printhead 4 40 procedures 4 1 toner level sensor 4 41 transfer roll 4 42 S safety information xiii safety inspection guide 6 1 sensors cover open 4 15 serial number 3 21 service checks 2 17 controller card 2 17 cooling fan 2 18 cover interlock switch 2 18 dead machine 2 19 fuser 2 19 LVPS HVPS 2 20 main motor 2 20 operator panel 2 21 paper feed 2 21 paper jam during POST 2 21 paper never picks 2 22 paper picks but stops 2 22 paper picks during POST 2 21 paper picks sheets 2 22 paper trees curls 2 23 parallel port 2 23 print quality 2 24 black page 2 25 blank page 2 24 heavy background 2 25 image density 2 26 light print 2 27 partial blank image 2 26 poor fusing of image 2 2
71. e IEEE 4 28 Manual Tegd Sensor POmoVal 43 2 2 2 che Eee RENAE LARA AAA SERA eds 4 30 Manual paper teed citeh iius pierre 4 81 Idanual feed solenoids seguides di ncivdtes fis Puede sie 4 32 Media level indicator removal sese Re Rex Re RR RE ES 4 33 Table of contents V 4512 630 Narrow media Sensor removal so sados sis Bad he eU eb mani cesc aa race ak data ade 4 35 Operator panel removal eg veru de 4 36 Paper exit guide assembly removal 5 2 ontario wae ia ea eerie e Sub ded 4 37 Paper feed rollers autocompensator tires removal 4 38 Paper input and duplex sensor removal rirerire eee ees 4 39 FHBIBOS POI Val e s eee geste A ty ces ss ee EU E 4 40 Reversing solenotd removal 224522 aeris RR EE EELER AE AE d SA 4 41 Toner level Sensor removal 22 53 3 52 S RR cens Rias 4 41 Transfer toll removal 2i2isoiibes do ci RR b5 Hess HES ayes SSE oa DT 4 42 Tray 2 auo comp UO TEMNGVAl d m cerns oc arr anced ROE eh eee eRe aE sd x 4 43 Upper Trout frame group TemoVal ues bea PERIERE Rer RE ET estie iori Dita ad 4 44 Wear SII removal tav 1 a ecd xod RSET SSE Se KOE de E RP ERR De dde p ede 4 46 Wear stpiremovalutay 2 siia eas PRISE in SEDER CARER GE CS addi 4 46 Locations and connections iis cockeres Vert C HERE ERES AA 5 1 EO a ee a IT Ter ee TTD 5 1 FOM VEN aprii Geant Seen xx EE EE DR ROR RU Ee 5 1 Rear VICW 4a palos dopo E ORE ORATOR SORT PDE RA VE Ra Re BAR AD AMS o OX o Edo dot P e mews 5 1 Controlle
72. e cover away from the printer Repair information 4 5 4512 420 430 Rear cover removal 1 Remove the right side cover See Right side cover removal on page 4 5 2 Remove the left side cover See Left side cover removal on page 4 4 3 Remove the two screws A A 4 Open the rear cover 5 Lift the rear cover unhooking it from the frame at the bottom and remove Note In re installation check to make sure that the fuser ground cable is routed out of the way and is not pinched or damaged 4 6 Lexmark E350d E352dn 4512 420 430 Top cover removal Remove the right side cover See Right side cover removal on page 4 5 Remove the left side cover See Left side cover removal on page 4 4 Open the rear door Remove the two screws A from the two front corners on the top cover the two screws B from the two rear corners on the top cover and the screw C on the left side PONT 5 Open the front cover 6 Remove the two screws D 7 Remove the controller card cover Repair information 4 7 4512 420 430 8 Disconnect the cable E of the narrow media sensor from J10 on the controller card B Jk 9 Free the cable while noting which top frame opening it goes through 10 Release the latches F on both sides to unhook the top cover 11 Lift and remove the top cover Installation note Besure to re route the cable back through the same hole e Be sure
73. e default standard model Configuration ID is used instead e Configuration ID is the only function available in DIAGNOSTICS e Unless the menu is in DIAGNOSTICS Check Config ID displays To set the configuration ID 1 Select Printer Setup from the Diagnostic mode 2 Select Configuration ID from the Printer Setup menu Submitting Selection displays followed by the value for Configuration ID 1 3 Enter the Configuration ID 1 To select a digit or character to change press 4 or e until the digit or character is underlined Tochange a digit or character press A to increase or TV to decrease the value e When the last digit is changed press Y to validate the Configuration ID 1 If nvalid D appears the entry is discarded and the previous Configuration ID 1 is displayed on the screen If the process is successful Submi tti ng Selection appears on the display followed by the current value for Confirguration ID 2 4 Repeat the steps for entering the Configuration ID and press Y If the Configuration ID 2 is validated Sub mi tti ng Selection appears and a check y appears next to Printer Setup 5 Restart the printer Edge to Edge When this setting is On the text and graphics are shifted to the physical edges of the paper for all margins When the setting is Off the normal margins are restored Parallel strobe adjustment Par x Strobe Adj This setting adjusts the amount of time the strobe is sampled in order to determ
74. e message to clear Res Reduced The printer is reducing the resolution of a page in the current job from 600 dots per inch dpi to 300 dpi to preventa 38 Memory Full error Res Reduced remains on the display while the job prints Restoring Factory Defaults Wait for the message to clear Note When factory default setting are restored All downloaded resources fonts macros symbol sets in the printer memory are deleted All menu settings return to the factory default except The Display Language setting in the Setup Menu All settings in the Parallel Menu Network Menu and USB Menu Std Bin Full The standard bin is full Toner Low e Replace the toner cartridge Press Y to clear the message and continue printing Tray lt x gt Missing Insert the tray into the printer USM The printer is processing data through the specified USB port Waiting The printer has received a page of data to print but is waiting for an End of Job command a Form Feed command or additional data Press Y to print the contents of the buffer e Cancel the current job Diagnostics information 2 7 4512 630 Cartridge error messages Error Description 31 Defective cartridge 32 Unsupported print cartridge 33 Invalid refill Paper jam error codes 200 series Note The Event log see EVENT LOG on page 3 28 will list any of these errors that have occurred
75. e operating temperature Page arrived at fuser earlier than expected so it was probably staged 202 00 Paper jam around exit sensor 202 01 Exit sensor never broke on the trailing edge of the sheet at the exit sensor 202 02 Exit sensor never broke from sheet ahead of page heading toward the exit sensor 202 06 Exit sensor bounced 202 13 Exit sensor covered media not expected media not in machine during warm up 202 25 Exit sensor never broke from the sheet ahead of the page heading toward the exit sensor when feeding out the media detected during warm up 202 26 Trailing edge never cleared exit sensor when feeding out media that was detected during warm up 202 32 Long media or shingled multi feed stopped before sending to duplex 231 00 Duplex jam while reversing into the device 231 01 Duplex sensor never made by leading edge reversing into the duplex 231 02 Bouncy duplex sensor never made 232 00 Duplex jam while staging in the device 232 01 Duplex sensor never broke by the sheet ahead after reversing into the duplex 232 02 Page in duplex ahead of current reversing page never staged 233 00 Duplex jam while picking from the device 233 01 Page in duplex never picked 233 02 Feed error picking from the duplex 233 03 Paper never reached the input sensor but was detected at the manual feed sensor 234 01 Duplex sensor covered during warm up 235 01 Invalid duplex media 241 00 Paper jam
76. e print cartridge assembly If continuity fails call the next level of service A LVPS HVPS board Controller card Miscellaneous cables With the printer off disconnect the LVPS HVPS cable from J19 on the controller card Turn the printer on and verify 24 V dc on pins 8 and 9 of the cable Verify ground on pins 7 12 and 14 If the voltage is incorrect replace LVPS HVPS board f grounds are incorrect check ground paths Check confinuity in the cable Replace the cable if necessary f voltage is correct and the toner electrodes are good replace the controller card See the LVPS HVPS service check on page 2 20 and the Controller card service check on page 2 17 if necessary Heavy background Poor development or poorly charged toner particles cause excessive background This is more noticeable as the toner cartridge nears end of life FRU Action Toner cartridge not a FRU PC Kit not a FRU Check the toner darkness setting in the driver Try a lower setting Make sure the toner cartridge and PC Kit are correctly installed and the high voltage contacts are clean If the toner cartridge and PC Kit are installed correctly try a new PC Kit first and then toner cartridge A LVPS HVPS Controller card Chech the contacts for correct installation and contamination vvhere contact is made between the print cartridge assembly and spring contacts which connect to the LVP
77. e user with information on the current status of the printer Ready displays on the first line of the display unless invoked and thenPower Saver displays If a user status message is displayed go to Messages and error codes on page 2 5 User attendance messages are indicated by a two or three digit error code that provides the user with information that explains a problem with a print cartridge paper jam option port and so on If a user error message displays go to User attendance messages on page 2 5 and Paper jam error codes 200 series on page 2 8 Power On Self Test POST sequence The following is an example of the events that occur during the POR sequence when the printer is turned on 1 Diamonds are displayed on the operator panel 2 While code is being loaded into DRAM dots scroll across the operator panel 3 Ascreen is displayed with the memory and processor speed A typical example of this message is 64MB 4 Performing Self Test is displayed 5 Busy is displayed 6 Close Door will be displayed if the cover is open 7 Any cartridge errors such as Defective Cartridge are displayed 8 Applicable maintenance messages are displayed 9 Applicable toner low messages are displayed 10 The printer displays Ready Diagnostics information 2 1 4512 630 Overview of the operator panel and menus The operator panel on your printer is a 4 line back lit grayscale display that can show both graphics
78. ed solenoid Make sure the rubber tires on the ACM are installed and clean Replace the tires ACM drive clutch assemblies solenoids or drive shaft as necessary Media occasionally mispicks or picks multiple sheets at once FRU Action Tray 1 Tray 2 option Check tray for media catch points If the sheet being fed stops momentarily the ACM applies additional vertical force causing additional sheets to feed Do not mix media types in one tray Paper pick tires Tray 1 or tray 2 Check the tires in the ACM assembly for signs of wear or damage Replace the tires as necessary ACM clutch complete bill of material CBM Manual feed clutch CBM Media feed clutch ASM tray 1 only Manual feed clutch ASM Open left cover and observe the solenoid and clutch actions at the ACM and manual feed shafts as a print job is attempted Replace the faulty part Controller card P U and manual feed solenoid ASM Disconnect the solenoid cable at J21 on the controller card Measure the resistance across cable pins 1 and 2 and then pins 3 and 4 The resistance should be 180 250 ohms e If itis not replace the solenoid assembly If the resistance is 180 250 ohms check the controller card See Controller card service check on page 2 17 for more information Replace controller card as necessary 2 22 Service Manual 4512 630 Media skews FRU Action Paper fee
79. edges Paper feed Printhead skew misalignment There are no adjustments for skew Check the pick roll paper pick assembly for wear the paper path for obstructions the fuser for proper setting and the tray paper guides for fit to the media To adjust the printhead Enter the Diagnostics Menu See Entering Diagnostics mode on page 3 2 Select PRINT TESTS SelectTray 1 Select Si ngl e Fold the printed test page on the left side so that a few millimeters of grid lines wrap around the outside of the fold See photo below Fold a second vertical fold near the center so that the left side top edge aligns with the right side top edge m BRONZT 3 10 Service Manual 4512 630 7 If the grid lines of the right flap align below the corresponding lines on the left flap adjust the printhead clockwise relative to the printer and recheck See the left side of the figure below If the grid lines of the left flap align below the corresponding lines of the right side adjust the printhead counterclockwise See the right side of the figure below 8 After obtaining a properly adjusted image on the paper tighten all three screws Note The printhead must be aligned electronically See Printhead assembly electronic adjustment on page 3 6 Diagnostic aids 3 11 4512 630 Quick Test The Quick Test contains the following information Print registration settings Alignment diamonds at the top
80. eet the video delivery requirements There is not enough time since prior image finished to start new image 200 26 The trailing edge never cleared the input sensor when feeding out the media that was detected during warm up 200 27 Printhead Driver Mirror motor fell out of lock condition after the media at the input sensor more time elapsed since the printhead than the expected stable lock time but less than the printhead jitter stable specification Mirror motor fell out of lock condition after media at the input sensor more time elapsed since the printhead than expected stable lock time but less than the printhead jitter stable specification 200 28 First writing line of a page at the developer nip but laser servo cleanup is not complete Likely pre staged media or a fast paper feed 200 29 Printhead drive control out of range due to an external event beyond what the control is designed to handle Probable causes ESD or noise on hsync signal 200 30 Narrow media sensor covered during warm up 200 32 Media more than 14 inches too long over the manual feeder sensor Possible causes include multi sheet feed or pre staged media in the tray 200 33 Page from tray 1 did not reach the input sensor after multiple attempts Page did make it out of the tray at least as far as the manual feeder sensor Possible cause is that the page stalled at the alignment gate 200 34 Timed out waiting for page from tray 1 to reach the input sens
81. eft side cover See Left side cover removal on page 4 4 Remove the right side cover See Right side cover removal on page 4 5 Remove the rear cover See Rear cover removal on page 4 6 Loosen the top cover by removing the one rear screw above the reverse solenoid Release the side latches and lift the rear of the top cover Remove the paper exit guide assembly The gears of the exit guide must clear the fuser bracket without touching it See Paper exit guide assembly removal on page 4 37 for more information Remove the two screws A and the one machine screw B that secures the ground cable SN 0 RODZ B A Disconnect the thermistor cable above the fuser Remove the controller card cover Disconnect the exit sensor cable from J11 on the controller card Disconnect the fuser power cable above the fuser 9 fo E 4 22 Lexmark E350d E352dn 4512 420 430 11 Unlatch the fuser see A and B in the second photo below and remove Reinstallation note Be sure to reroute the cables back through their retainers e If the printer has been moved following the removal of the fuser verify that the cross shaft behind the fuser is in place Place the fuser into the opening and push levers A to open the latches B Push the fuser into the final position on the release levers Alternatively the fuser may be tilted to drop the latches B below the shaft for the final few millimeters e Check to
82. eny original i els components espec fics El fabricant no es fa responsable de les questions de seguretat si s utilitzen peces de recanvi no autoritzades La informaci pel manteniment d aquest producte est orientada exclusivament a professionals i no est destinada a ning que no ho sigui El risc de xoc el ctric i de danys personals pot augmentar durant el proc s de desmuntatge i de servei d aquest producte El personal professional ha d estar ne assabentat i prendre les mesures convenients gt o 2 gt o Di DU gt a Hu rH rt 2 con r ola cp a FTT H nio nio si o 9 2 2 E 9 gt u PI XAT 4 9 jor T Hu pit o T r Uu xo 9 o o Yi r3 HE Ha P o X ToX H gt ru Qn TE Jo ox ri OF Ms ot co mH Ho o fo oot 9 4 bi r do o ie H 2a o H of ct 4 19 4 lo gor co AE fri BR a dm gt a BRUT ARE XE P i E UA RAAN fh D AEA VET IT TX PORT REE XL HES MARA Lui PAST SEALE ES Ft AIE mn TEAR AE IRIS AA ATI e D AL HS ES HA FF A E Om ERA R SEDI AAA HAD BEY RU d 6 o VEI ETE TET P m De Eo WEJ Wie SEAH o RAES aD UE de TAS BRE B H d m HS E JE RHIZ AAA rir ro lo od
83. er assembly Front access cover assembly mm ee Complete duplex assembly 2 2 me a Main tray eee eee Optional media drawer assembly Tray 2 assembly Pickup and manual feed solenoids Reversing solenoid mm 110 V maintenance kit 6 1 220 V maintenance kit 6 1 100 V maintenance kit 6 1 Screws miscellaneous eee ee eee eee eee eee eee ACM drive shaft assembly Tray 1 wear strips me eL Tray 2 wear strips eee een en ne eee eee ee Narrow media sensor rrr Upper front frame assembly Legal extender dust cover 7 3 Paper feed ACM tires RO Toner low sensor RO 2 ee enn a me ee Field location package assembly l 6 Service Manual 7 7 E
84. ersing solenoid Parts Catalog 7 5 4512 630 Assembly 3 Frame 7 6 Service Manual Assembly 3 Frame 4512 630 Asm Part Units Units Description Index number mach FRU 3 1 40X2834 1 Media exit guide assembly 2 40X2822 1 Transfer roll bearings gear spring CBM 3 40X2858 1 1 Legal extender dust cover 4 40X2850 N A Screws miscellaneous 4 TP2NCX3X6PF Ni 4 TP2C 4 0 8PF Ni 4 M3 0 0 5 6PF Ni 2 M3 0 0 5 4PF Ni 2 M3 5 0 6 6P Ni 5 40X2853 1 1 ACM drive shaft assembly 6 40X2841 1 1 Complete duplex assembly 7 56P1820 2 Paper feed ACM tires RO 8 40X2838 1 1 Media ACM drive assembly 9 40X2857 1 1 Upper front frame assembly 10 40X2830 1 1 Manual feed clutch CBM 11 40X2831 1 1 Media feed ACM clutch CBM 12 40X2832 1 1 Media level indicator CBM 13 40X2825 1 1 Developer drive access door link 14 40X2829 1 1 Developer drive coupling assembly 15 40X2821 1 1 Duplex drive gear CBM NS 40X2847 1 1 110 V maintenance kit NS 40X2848 1 1 220 V maintenance kit NS 40X2849 1 1 100 V maintenance kit Note Kit contains the following Fuser 40X2800 40X2801 or 40X2802 Exit guide 40X2834 Tray 1 ACM feed tires 56P1820 Transfer roll CBM 40X2822 NS 7377298 1 Field location package assembly NS 40X2817 1 2 Tray 2 Paper feed tires Parts Catalog 7 7 4512 630 Assembly 4 Options CT amber mee PAU Destin NS 40X1364 1 32MB SDR DIMM NS 40X1365 1 64MB SDR DIMM NS 40X1366 1 128MB SD
85. es aux produits laser de Classe I Les produits laser de Classe sont consid r s comme des produits non dangereux Cette imprimante est quip e d un laser de Classe Illb 3b ars niure de gallium d une puissance nominale de 5 milliwatts mettant sur des longueurs d onde comprises entre 770 et 795 nanom tres L imprimante et son syst me laser sont con us pour impossible dans des conditions normales d utilisation d entretien par l utilisateur ou de r vision l exposition des rayonnements laser sup rieurs des rayonnements de Classe Avvertenze sui prodotti laser Questa stampante certificata negli Stati Uniti per essere conforme ai requisiti del DHHS 21 CFR Sottocapitolo J per i prodotti laser di classe 1 ed certificata negli altri Paesi come prodotto laser di classe 1 conforme ai requisiti della norma CEI 60825 1 prodotti laser di classe non sono considerati pericolosi La stampante contiene al suo interno un laser di classe ID 3b all arseniuro di gallio della potenza di 5mW che opera sulla lunghezza d onda compresa tra 770 e 795 nanometri Il sistema laser e la stampante sono stati progettati in modo tale che le persone a contatto con la stampante durante il normale funzionamento le operazioni di servizio o quelle di assistenza tecnica non ricevano radiazioni laser superiori al livello della classe 1 Notices and safety information Vii 4512 630 Avisos sobre el laser Se certifica que en los EE UU esta im
86. ettings in the NETWORK PORTS MENU group Energy Conserve This menu controls what values appear on the Power Saver menu If Off is selected in Energy Conserve menu then Disabled appears in the Power Saver menu and Power Saver can be turned off If On is set in Energy Conserve the Power Saver feature cannot be disabled EVENT LOG The event log provides a history of printer errors The event log can only be printed in CONFIG MENU Additional options are available in DIAGNOSTICS See EVENT LOG on page 3 24 To print the event log 1 Select Print Log from EVENT LOG 2 Press Back Q or Stop to return to EVENT LOG Note An event log printed from the CONFIG MENU will not contain debug information or secondary codes for 900 service errors However the event log printed from DIAGNOSTICS mode does include this information Paper Prompts When a tray is out of the indicated paper size a prompt is sent to the user to load paper in a tray This setting controls the tray the user is directed to fill Selections are Auto default MP Feeder and Manual Paper Env Prompts This setting controls the tray the user is directed to refill when a specific envelope size is out The selections are Auto default MP Feeder and Manual Env 3 28 Service Manual 4512 630 Change Prompts The value of this setting determines if the device displays any of the Change prompts Reduced Curl This setting will cause the engine throughput to be
87. f the printer LVPS HVPS card assembly removal 1 Remove the rear cover See Rear cover removal on page 4 6 2 Place the printer onto its top with the back and bottom in view 3 Remove the four screws A the machine screw B and the machine screw C 4 Unhook the red cable D located in the left side frame 4 26 Lexmark E350d E352dn 4512 420 430 6 Rotate the assembly and unplug the remaining cables 7 Remove the assembly Re installation note When re installing the LVPS HVPS assembly Be sure to locate the rear flange of the card bracket inside of the shield prior to rotating the card assembly into final position CAUTION Make sure that the mylar card is located inside the overlapping A flanges to avoid damage to the printer e Itis easy for the cables to become pinched during re installation Make sure that the cables are free during re installation Repair information 4 27 4512 420 430 Main motor drive removal 1 Open the left side cover See Left side cover removal on page 4 4 for more information 2 Tilt the printer onto its right side and remove the six screws A the screw B and the ground cable screw C IMPORTANT The ground strap held by screw B is not included in the main motor drive FRU Be sure to remove this strap and install it in the new drive 3 Lift the motor end and disconnect the main motor cable D 4 28 Lexmark E350d E352dn 4512 4
88. fer roll P N 40X2822 Maintenance kits Description Part number 110 V maintenance kit 40X2847 220 V maintenance kit 40X2848 100 V maintenance kit 40X2849 Preventive maintenance 6 1 4512 630 6 2 Service Manual 7 Parts Catalog 4512 630 How to use this parts catalog The following legend is used in the parts catalog Asm Part Index number Units mach Units FRU Description Asm index identifies the assembly and the item in the diagram For example 3 1 indicates assembly 3 and the item number 1 Part number identifies the unique number that identifies this FRU Units mach refers to the number of units actually used in the machine or product Units FRU refers to the number of units packaged together and identified by the part number NS Not shown in the Asm Index column indicates that the part is procurable but is not pictured in the illustration PP Parts Packet in the parts description column indicates the part is contained in a parts packet Model information used in the parts catalog Machine type and model Description 4512 630 Lexmark E450dn Parts Catalog 7 1 4512 630 Assembly 1 Covers 7 2 Service Manual Assembly 1 Covers 4512 630 Asm Part Units Units Description Index number mach FRU 1 1 40X2835 1 1 Top cover assembly includes narrow media sensor 2 40X2812 1 1 Top cover right flag
89. ge 2 20 Fan does not come on See Cooling fan service check on page 2 18 Fuser does not cycle See Fuser service check on page 2 19 Fuser does not turn on and off See Fuser service check on page 2 19 The paper feed picks and tries to feed media See Paper feed service checks on page 2 21 Note Investigate any displayed codes before proceeding with these symptoms For example a missing toner cartridge will prevent POST from completing Diagnostics information 2 15 4512 630 Printer symptom table Symptom Action Dead machine no power See Dead machine service check on page 2 19 Fan noisy or fan not working See Cooling fan service check on page 2 18 Fuser parts melted See LVPS HVPS service check on page 2 20 Toner not fused to the media See Fuser service check on page 2 19 Paper jams See Paper feed service checks on page 2 21 Main motor noisy or not moving See Main motor service check on page 2 20 Media skew See Paper feed service checks on page 2 21 Printer not communicating with host See Parallel or USB port service check on page 2 23 Front access cover will not close See Cover interlock switch service check on page 2 18 Operator panel button not responding See Operator panel service check on page 2 21 Operator panel lights are off or ver
90. ge always prints on one side of the paper regardless of the duplex setting or the presence of a duplex option Press Back to return to PRINT TESTS Print quality pages Prt Quality Pgs The purpose of this diagnostic function is to allow printing of the print quality test pages with the toner cartridge lockout function disabled The print quality pages consist of three pages Page one contains a mixture of graphics and text Pages two and three only contain graphics If duplex is turned on the pages are duplexed The Print Quality Test pages are printed in English and must always be printed on letter legal or A4 paper To run the Print Quality Test Pages select Prt Quality Pgs from PRINT TESTS The message Pri nti ng Quality Test Pages is displayed Note The print quality test pages can also be printed from the Configuration menu CONFIG MENU however a cartridge must be installed with a machine class ID matching the machine class ID stored in NVRAM Additional diagnostic information may be printed on the pages when printing from DIAGNOSTICS The following is included in the DIAGNOSTICS version of the print quality pages Values from EP SETUP in DIAGNOSTICS including Fuser temperature warm up time transfer print contrast and charge roll settings Contents of the EVENT LOG from DIAGNOSTICS e Configuration information including printer serial number controller code level engine code level operator panel code level fo
91. gnostic aids 3 3 4512 630 Diagnostics mode tests continued EP SETUP EP Defaults See EP Defaults on page 3 23 Fuser Temp See Fuser Temperature Fuser Temp on page 3 23 Transfer See Transfer on page 3 23 Print Contrast See Print Contrast on page 3 23 Charge Roll See Charge Roll on page 3 23 Gap Adjust See Gap Adjust on page 3 23 EVENT LOG Display Log See Display Log on page 3 24 Print Log See Print Log on page 3 24 Clear Log See Clear Log on page 3 25 EXIT DIAGNOSTICS Exiting Diagnostics mode Select Exit Diagnostics to exit the Diagnostics mode Resetting the Printer displays the printer performs a POR and returns to normal mode REGISTRATION Print registration makes sure the printing is printed properly aligned on the page The settings available are Bottom Margin Top Margin Left Margin Right Margin Quick Test To set print registration Select REGISTRATION from the DIAGNOSTICS menu Select Quick Test and press Y To print the Quick Test page a Press W until the of appears next to Quick Test b Press V The messageQuick Test Printing appears on the display Retain this page to determine the changes you need to make to the margin settings 3 4 Service Manual 4512 630 3 Use W or A to select the margin setting you need to change and press Y The Top margin sign value pair blinks
92. h the printer on If the computer indicates unknown device replace the controller card Toner Low light is on and printing stops If a 3 5K or more page toner cartridge is being used and the Toner Low alarm is set to on the printer stops printing until the toner cartridge is replaced The Error light alone is on Make sure the printer front cover is closed The Toner Low light is blinking and the Error light is on Make sure the toner cartridge is installed correctly Install a new toner cartridge The media skews or buckles e Tray is overfilled or media is too loose Don t overfill Tray 1 or the optional Tray 2 see media capacities in the media types and sizes table in the User s Guide Make sure the paper guides are flush against the edges of the media The media sticks together resulting in the printer feeding multiple sheets The friction between sheets is too high Remove the media from Tray 1 or Tray 2 and fan it Don t overfill Tray 1 or the optional Tray 2 see media capacities in the media types and sizes chart in the User s Reference The media fails to feed from Tray 1 Frictional force between tires and media is less than resisting force Remove the media from Tray 1 and fan it Make sure Tray 1 is selected from the printer driver Do not overfill the tray Check the condition of the rubber on the paper feed rolls Replace if worn or contaminated
93. he code in an internal print server is not valid The printer cannot receive and process jobs until valid code is programmed into the internal print server Download valid code to the internal print server Note The network code can be downloaded while this message is displayed Load manual feeder with lt Custom Load the specified media in the manual feed tray or multipurpose Type feeder Load manual feeder with Custom String To ignore the manual feed request and print on media already installed in one of the input sources press Y If the printer finds a tray that has media with the correct media type Load manual feeder with lt size gt and size it feeds media from that tray If the printer cannot find a tray with the correct media type and size it prints on whatever Load manual feeder with lt size gt media is installed in the default input source lt type gt Cancel the current job Diagnostics information 2 5 4512 630 User attendance messages Continued Message Action Load lt src gt with lt Custom Type Na me gt Load lt src gt with lt Custom String gt Load lt src gt lt size gt Load lt src gt lt type gt lt size gt Load the input source with the correct type and size media Cancel the current job Maintenance Replace the maintenance items and if necessary reset the printer maintenance counter Men
94. he left side frame Left side relative to the picture above Repair information 4 19 4512 420 430 Duplex gear drive 1 Remove the main motor drive See Main motor drive removal on page 4 28 2 Remove the duplex See Duplex removal on page 4 18 3 Remove the duplex coupling and gears A the screw and plastic retainer A 4 Remove the duplex coupling B and mating link B Note The link not shown that connects the duplex and duplex coupling is part of this FRU as well as the duplex FRU 4 20 Lexmark E350d E352dn 4512 420 430 Fan removal 1 Open the right side cover See steps 2 through 4 of Right side cover removal on page 4 5 2 Remove the two screws A holding the fan to the side frame 3 Unplug the cable from J4 on the controller card Note Be sure to remove the toroid before removing the cables When re installing be sure to place the toroid back over the same cables 4 Remove the cable from its retainer 5 Remove the fan Flag removal top cover right 1 Remove the top cover See Top cover removal on page 4 7 2 Turn the top cover upside down 3 While lifting the flag with your thumb to align the shaft flats with the holder use the spring hook to slide the flag out of place and remove Note The left flag was found to be not needed and has been removed from the FRU list Repair information 4 21 4512 420 430 Fuser removal Remove the l
95. he side frame and remove the shaft and spring anchor E y 4 34 Lexmark E350d E352dn 4512 420 430 Narrow media sensor removal 1 Remove the top cover See Top cover removal on page 4 7 2 Turn the top cover upside down 3 Remove the ground strap screw A and the ground strap A 4 Remove the narrow media sensor Repair information 4 35 4512 420 430 Operator panel removal Open the front cover Remove the bezel See Bezel removal on page 4 12 Remove the screw A Remove the face plate which surrounds the bezel by unlatching the four tabs B talla Ds De DOI es B 5 Close the front cover 6 Disconnect the cable C The LED operator panel connects the same as the LCD panel as shown C Unlatch the four latches on the panel cover Pull the bottom edge out until it slides in a downward motion out of its retainers Slide the card out from the latches on top Remove the operator panel Warning Do notreplace the operator panel and the controller card at the same time Each card contains the printer settings When either of these cards is new it obtains its settings from the other card Critical factory settings are lost when both are new and replaced at the same time fO PN 4 36 Lexmark E350d E352dn 4512 420 430 Paper exit guide assembly removal 1 Remove the rear cover See Rear cover removal on page 4 6 2 Remove the one screw above the revers
96. i A PRE fh I NU ESA gn X Service Manual 4512 630 BLAS 158 sop ASSO CHE DHHS 21 CFR Subchapter 39 PHS Fs ves UZAN CIS ESO HA 319 9 ejod IEC 825 732 EFE 152 MOA dMES A 2138 Ho ES LE 158 AOA ASSES HNE HOS dE E HERES 5 Uee AS OE LLOC OIX A 770 795 LE Ol E S TFHA sel Class ill 3b ajjo amp yo Aa SUC E alo AAMT zae AA As Boll FAL BS SLE WAS MEA slot x 7 9 Class FE HoH Lo Apeto Act 3428 913 So 9 uc Notices and safety information Xi 4512 630 Xii Service Manual 4512 630 Safety information e The safety of this product is based on testing and approvals of the original design and specific components The manufacturer is not responsible for safety in the event of use of unauthorized replacement parts e The maintenance information for this product has been prepared for use by a professional service person and is not intended to be used by others There may be an increased risk of electric shock and personal injury during disassembly and servicing of this product Professional service personnel should understand this and take necessary precautions CAUTION When you see this symbol there is a danger from hazardous voltage in the area of the A product where you are working Unplug the product before you begin or use caution if the product must receive power in order to perform the task Consignes de s curit La s curit de ce produit repose sur des tests et des agr ations portant sur sa con
97. imarily due to a variation in the speed of the media as it feeds through the printer especially in the developer and transfer process It may also be a result of overly dry or moist environments With the printer off check to make sure that the laser beam is not blocked Inspect the toner cartridge and paper feed components especially the drive coupler and drive gears for debris binds or damage Toner on back of page FRU Action PC Kit not a FRU Print a menu page found under Utilities and check settings for media type Inspect the overall paper path for signs of spilled toner Gently clean the contaminated areas with a soft cloth Fuser Inspect the fuser for signs of contamination Replace the fuser as necessary Transfer roll A transfer roll contaminated with toner can cause toner to transfer to the back of pages Inspect the transfer roll for contamination and replace as necessary Diagnostics information 2 27 4512 630 Solving print quality problems Note Refer to the print defects guide at the end of the manual for repeating defects Print quality problems Problem Cause action Light or blurred Light print characters See Light print on page 2 27 The toner cartridge may be getting low on toner Remove the toner cartridge and print cartridge assembly Shake it from side to side to redistribute the toner Reinstall it and recheck for condition
98. ine if the valid data is available on the parallel port The range of values are from 4 to 6 and the default is 0 for Par S Strobe Adj Par 1 Strobe Adj and Par 2 Strobe Adj After adjustment of 1 increment the strobe samples 50 ns longer 3 22 Service Manual 4512 630 EP SETUP EP Defaults This setting is used to restore each printer setting listed in EP SETUP to its factory default value Sometimes this is used to help correct print quality problems To restore EP Defaults 1 Select EP Defaults from EP SETUP 2 Select Restore to reset the values to the factory settings and select Do Not Restore to exit without changing the settings Fuser Temperature Fuser Temp This adjustment can be used to help solve some customer problems with paper curl on low grade papers and problems with letterheads on some types of media The fuser temperature can be adjusted to Normal Lower Lowest The default is Normal Transfer The transfer can be adjusted to Low Medium or High The default setting is Medium Print Contrast The print contrast setting controls the developer voltage offset The print contrast can be adjusted to Low Medium or High The default setting is Medium Charge Roll The charge roll can be adjusted to Low Medium or High The default setting is Medium Gap Adjust The setting adjusts the minimum gap between sheets Increasing this value may reduce curl of some printed media and eliminate some output bin
99. ing solenoid See Top cover removal on page 4 7 3 Remove the three screws A 4 Lift the back of the top cover right side in photo to prevent the gears on the assembly from touching other items while removing especially the fuser mounting bracket 5 Remove the paper exit guide assembly Repair information 4 37 4512 420 430 Paper feed rollers autocompensator tires removal Remove Tray 1 Open or lower the duplex door Lower the ACM Remove the rubber paper feed rollers Pinch the new rubber roller into a tight radius to determine the orientation of the tire relative to the hub Notice the direction of the points on the edge Those points should be directed in the paper feed direction as shown m pm gt x o e c o D o c o LL 6 Make sure the new paper feed rollers are captured between the rims of the plastic hub 7 If the orientation is questionable run Print Quality sheets and check for skew 4 38 Lexmark E350d E352dn 4512 420 430 Paper input and duplex sensor removal 1 Remove the duplex unit See Duplex removal on page 4 18 2 Remove screws A holding the two sensors 3 Remove the sensor assembly Note Be sure to secure cables in retainers when installing the new assembly The solenoid cable should be installed on top of the sensor cables Repair information 4 39 4512 420 430 Printhead removal Remove the top cover See Top cover re
100. ion Check the springs in the left and right transfer roll bearings The bearing assemblies should support the transfer roll applying evenly distributed forces to the PC drum Note Do not try to move the left spring Transfer roll Replace the transfer roll assembly if the springs or bearings show signs of damage or fatigue Inspect the transfer roll for signs of wear damage or contamination Replace as necessary Diagnostics information 2 31 4512 630 2 32 Service Manual 3 Diagnostic aids 4512 630 This chapter explains the tests and procedures to identify printer failures and verify repairs have corrected the problem Accessing service menus There are different test menus that can be accessed during POR to identify problems with the printer Diagnostics Mode 1 Turn off the printer 2 Press and hold W and gt Io 3 Turn on the printer 4 Release the buttons when Performing Self Test displays The Diagnostics Mode group contains the settings and operations used while manufacturing and servicing the printer See Diagnostics mode on page 3 2 for more information Configuration Menu Turn off the printer 2 Press and hold 7 and gt 3 Turn on the printer 4 Release the buttons when Performing Self Test displays The Configuration Menu group contains a set of menus settings and operations which are infrequently required by a user Generally the options
101. ion 4 41 4512 420 430 Transfer roll removal Note A flashlight may be required to remove the transfer roll 1 Open the front access cover 2 Place a clean piece of paper around the transfer roll to protect it from finger oils Note Do nottouch the transfer roll with bare hands Contaminants can damage the roll 3 Atthe right side of the transfer roll squeeze the holder arms with the left hand while lifting Stop when the holder is unlatched 4 Atthe left side of the transfer roll squeeze the holder arms with the right hand while lifting with the left hand Stop when the left holder is unlatched 5 With a hand at each end lift the transfer roll out Note Do not try removing the spring on the left it is not removeable but can be dislodged The spring included with the FRU is to be used only if the old right side spring is damaged or lost Both springs must be positioned on posts that cannot be seen If the old springs are moved feel the base of the springs to assure that they are on the posts The top of the springs must be captured in the bearings of the transfer roll 4 42 Lexmark E350d E352dn 4512 420 430 Tray 2 auto comp tire removal Gently pull the rubber tire loose from the wheel and replace it with a new tire Note Look at the nap of the tire and orient the tire for highest friction when picking the paper Repair information 4 43 4512 420 430 Upper front frame group removal 1 Open the f
102. k or incorrectly installed sensor causes a paper jam indication Media picks during POST and or continuously FRU Action ACM Manual feed clutch Check the ACM clutch for wear The solenoid interacts with the clutch to control the motion of the pick tires If the ratchet teeth of the ACM clutch assembly are worn or broken the solenoid may not stop the ACM from rotating Replace the ACM clutch assembly if necessary Check the manual feed clutch for damage Diagnostics information 2 21 4512 630 Media picks but stops halfway through the printer FRU Action Input Duplex sensors under print cartridge assembly Input sensor manual Make sure the input sensors are working properly Check for a broken or stuck flag on the input sensors Make sure the cables are seated on the controller card at J23 Tray 1 input and J20 manual input Check for about 5 V dc on pin 6 at J23 Input duplex sensors and pin 3 at J20 Input sensor If correct replace the input paper feed sensor f these voltages are not correct replace the controller card Media never picks FRU Action Paper feed pick tires tray 1 Paper feed pick tires tray 2 Open the left cover and verify that the solenoids and clutches are functioning when an attempt is made to feed the media Media drive ASM Media feed clutch ASM Manual feed clutch ASM ACM drive shaft P U and manual fe
103. m III 7 5 LVPS HVPS card assembly 220 V e 7 5 Duplex drive gear CBM 2 s uuu Ree nese ners cscs ARIR 7 7 Transfer roll bearings gear spring CBM Yer Manual input sensor assembly sccRR III III 7 5 Developer drive access door link ecmcrnm III Tf Main drive gear assembly e 7 5 Developer drive coupling assembly T 7 Manual feed clutch CBM e 7 7 Media feed ACM clutch CBM 2 22 5225 reer errr em mem me mens 7 7 Media level indicator CBM eee 7 7 Part number index l 5 4512 630 40X2833 40X2834 40X2835 40X2836 40X2837 40X2838 40X2839 40X2840 40X2841 40X2842 40X2843 40X2844 40X2845 40X2846 40X2847 40X2848 40X2849 40X2850 40X2853 40X2854 40X2855 40X2856 40X2857 40X2858 56P1820 56P2076 7377298 Miscellaneous cable assemblies Media exit guide assembly eee ee eee eee eee eee Top cover assembly includes narrow media sensor left Side Cover sese e sopesar ee ide SEE medie sees Right side cover c l l elllle llle ee en eee eee Media ACM drive assembly Rear upper and lower cov
104. might damage the product hardware or software CAUTION A caution identifies something that might cause a servicer harm product where you are working Unplug the product before you begin or use caution if the product CAUTION When you see this symbol there is a danger from hazardous voltage in the area of the A must receive povver in order to perform the tash XVi Service Manual 4512 630 1 General information The Lexmark E450dn is a monochrome laser printer designed for single users or small workgroups This book contains information on E450dn For more information on E250d and E250dn see the 4512 220 230 service manual For information on E350d and 352dn see the 4512 420 430 service manual Maintenance approach The diagnostic information in this manual leads to the correct field replaceable unit FRU or part Use the error code charts symptom index and service checks to determine the symptom and repair the failure See Diagnostics information on page 2 1 for more information See Repair information on page 4 1 to help identify parts After completing the repair perform tests as needed to verify the repair General information 1 1 4512 630 Overview of the operator panel The control panel consists of these items e A 4 line liquid crystal display LCD that can show both graphics and text e Eight buttons Back Menu Stop Select V A V bk and d e Indicator light A label located o
105. moval on page 4 7 for more information Remove the right side cover See Right side cover removal on page 4 5 Remove the controller card cover Disconnect the cables J5 DRV A J8 LXK LSU B and J15 C from the controller card Note Be sure to remove the toroid before disconnecting the cables RODT 6 Remove the printhead Reinstallation note Install the new printhead by lining up the alignment knub with the indicator located at the front right hand Screw Be sure to place the toroid back over the cables Mechanically adjust the printhead if necessary See Printhead assembly mechanical adjustment on page 4 13 Electronically adjust the printhead This is a necessary step See Printhead assembly electronic adjustment on page 4 8 4 40 Lexmark E350d E352dn 4512 420 430 Reversing solenoid removal ae m 5 Remove the top cover See Top cover removal on page 4 7 Remove the controller card shield Loosen the four screws and slide See Right side cover removal on page 4 5 Disconnect the cable from J9 DP REV SOL on the controller card Remove the two screws A Remove the reversing solenoid Toner level sensor removal mpm Remove Tray 1 Open the front access cover Open the right side cover Unplug the toner level sensor cable Unsnap the toner level sensor A from the frame and remove it through the inside of the printer Repair informat
106. n fan took too long to ramp up 927 04 Main fan is under speed or stalled during speed adjustment state 927 05 Main fan overspeed during speed adjustment state 927 06 Main fan capture data is invalid and speed control is at maximum in fan control idle state 927 07 Main fan capture data is invalid and speed control is at maximum in fan control adjustment state Printhead service errors 931 00 No first hsync 931 01 No first hsync 932 00 Lost hsyncs 932 01 Lost hsyncs 933 00 Printhead boost signal failure 935 10 Printhead sweep error swept through Hz range without finding the resonant frequency 935 11 Printhead sweep error autosweep hw state 935 12 Printhead sweep error coarse sweep state 935 13 Printhead sweep error init fine sweep state 935 14 Printhead sweep error fine sweep state 935 15 Printhead sweep error check prelim amp state 935 16 Printhead sweep error enable amp Kp state 935 17 Printhead sweep error amp Kp failed to converge 935 18 Printhead sweep error enable amp Ki state 935 19 Printhead sweep error amp Ki failed to converge 935 20 Printhead sweep error enable offset controller state 935 21 Printhead sweep error load scan regs state 935 22 Printhead sweep error fwd and rev capture times differ by too much 935 23 Printhead sweep error check sweep accuracy state
107. n on sertifioitu Yndysvalloissa DHHS 21 CFR Subchapter J standardin mukaiseksi luokan 1 lasertuotteeksi ja muualla IEC 60825 1 standardin mukaiseksi luokan lasertuotteeksi Luokan lasertuotteita ei pidet haitallisina Tulostimen sis ll on luokan IIIb 3b laser joka on nimellisteholtaan 5 mW n galliumarsenidilaser ja toimii 770 795 nanometrin aallonpituuksilla Laserjarjestelma ja tulostin ovat rakenteeltaan sellaisia ett kayttaja ei joudu alttiiksi luokkaa 1 suuremmalle s teilylle normaalin R yt n yllapidon tai huollon aikana Huomautus laserlaitteesta Tama kirjoitin on Yhdysvalloissa luokan 1 laserlaitteiden DHHS 21 CFR Subchapter J m rityksen mukainen ja muualla luokan laserlaitteiden IEC 60825 1 maarityksen mukainen Luokan laserlaitteiden ei katsota olevan vaarallisia k ytt j lle Kirjoittimessa on sis inen luokan IIIb 3b 5 milliwatin galliumarsenidilaser joka toimii aaltoalueella 770 795 nanometri Laserjarjestelma ja kirjoitin on suunniteltu siten ett k ytt j ei altistu luokan m rityksi voimakkaammalle s teilylle kirjoittimen normaalin toiminnan k ytt j n tekemien huoltotoimien tai muiden huoltotoimien yhteydess VARO Avattaessa ja suojalukitus ohitettaessa olet alttiina n kym tt m lle lasers teilylle l katso s teeseen VARNING Osynlig laserstr lning n r denna del r ppnad och sp rren r urkopplad Betrakta ej str len Laser notis Denna skrivare
108. n ox RR AR ORC CR seme i aa ee ee RC RO RR 2 31 Tra sfer roll service CHECK icici ce seek asina AAA AAA 2 31 Diagnostic aids 20 20 26 I nn 3 1 APOCESSINGSEIVICE Menu errar Conta OB RI oc UA c RAP I BOE iu esta dh da Cd Seas 3 1 Diagnostics MORE a ina sodas caw sea AR a Ra PR mia a gala use 3 2 Entering Diagnostics mode o esa kx RR A mans CRI emia na ma BARR EE EES ACCU ea 3 2 Available tests iios aa ana Re VU Sa diades cames RN E S PRESS Km Pit M da tubs 3 2 Exiting Diagnostics mode iaces ek RR a na KR Re He mae Ra a Ra 3 4 HEGISIBATION es Sons p2isiepess 49 PbirbqQpespevuepeeiepevR ba qu DUM x RUE Sd 3 4 Printhead assembly electronic EIERE eu vases e ar ERR IER ad 3 6 Printhead assembly mechanical adjustment 3 10 CURR TES cccd duce Deane ASA ea Geen at a Dot a data tg gel 3 12 PRINI TESTS ics cree tenes ee caer deals wipes LIE uper send irnos PE 3 13 INPOTSQUIECO TESIS lt span Des ra des ded de qd eque 3 13 Print guality pages Pit Quality POS EE 3 13 Re E Et EENG 3 14 Panel Wes ee pP 3 14 B tlori TESt sooo besos rr A A EFE RP TRIS Re ET 3 14 DRAM TOSES odie skin s aa ellc esae mir dM IM MEE I ME Pr 3 14 Parallel Wrap testS 0 204 en EE E Y TPERSCERPPSRRERUPQUOHRE SCORE E 3 15 DUPLEX TESTS 2 20 ira cipis c ERR EROR eee REOR RUE ER RR eRe REE Peewee ae d 3 16 Quiglc FesEIOUBIBX pps Ep 43523204 059 GRACE Obr P pesa ies es bequ S Rer ESE PC Ee 3 16 Top Lor Margin AUDIO traia ge dares at Renders hab di 3 16 Sensor A
109. n the inside front door shows the control panel buttons in your language An additional translated label is included in the printer box Voltar es Parar Sal Zp t Tilbake Stop Stopp Tilbage Wr Stop Stop Terug Hasan Stop Cron Takaisin RO Seis 1 Retour Atr s Stop Parar Zur ck Bak t Stopp Stopp Vissza IBI Le ll t s PELE Indietro Geri Stop Durdur RS Za 1 2 Service Manual 4512 630 Specifications Memory Item 4512 630 Lexmark E450dn Standard DRAM 64MB Optional SDRAM 32MB v Optional SDRAM 64MB v Optional SDRAM 128MB v Optional SDRAM 256MB v Maximum DRAM 320MB Optional flash memory 32MB 1 Optional font cards DBCS 1 Print quality Resolution 43127630 Lexmark E450dn 1200 Image quality v 2400 Image quality v 1200 x 1200 dpi v 600 x 600 dpi v 300 x 300 dpi v 11200 Image quality defined as 600 dpi with 2 bit IET image enhancement technology default mode for all models 2400 Image quality defined as 600 and 4 bit IET 3 True 1200 dpi at Y rated speed Although the printer supports the 300 dpi resolution it doesn t support a 300 dpi driver General information 1 3 4512 630 Media trays and supply capacity Item 4512 630 Lexmark E450dn Available input trays 250 sheet tray v 550 sheet option drawer v 550 sheet tray optional Dust cover optional Toner and photoconductor
110. near tray 1 241 10 Second pick attempt failed from Tray 1 241 12 Second pick from manual feeder tray 1 or feeder failed when the media was in the source while other sheets were committed to the paper path 241 16 Failed to feed from tray 1 Pages in the paper path have been flushed to the output bin 241 17 MISIDENTIFIED SMALL GAP JAM Engine detected small gap at the manual feeder sensor attempted to open the gap by stopping the feed rolls trailing edge was seen at the input sensor manual feeder sensor is no longer covered 241 18 MISIDENTIFIED NO GAP JAM Engine detected no gap at the manual feeder sensor attempted to open the gap by stopping the feed rolls trailing edge was seen at the input sensor manual feeder sensor is no longer covered 241 19 Second pick attempted failed from Tray 1 no pages printed since calling a 241 10 or a prior 241 19 242 00 Paper jam near tray 2 2 10 Service Manual 4512 630 Paper jam error codes 200 series Continued Error Description 242 01 Took too long to ramp up dc feed motor 242 08 Received lots of dc feed interrupts before losing them 242 10 Second pick attempt failed from Tray 2 242 12 Second pick from manual feeder tray 1 or feeder failed when media was in the source other sheets were committed to the paper path 242 16 Failed to feed from tray 2 Pages in the paper path have been flushed to the output bin 251
111. nt versions and cartridge information Default values for the QUALITY MENU settings used to print the pages Diagnostic aids 3 13 4512 630 HARDWARE TESTS Select the following Hardware Tests from this menu e Panel Test Button Test e DRAM Test ROM Memory Test e Parallel Wrap if available e Serial Wrap if available Panel Test This test automatically toggles each pixel of the operator panel through every contrast level beginning with the darkest and on to the brightest This test continues until you press Stop e Button Test The Button Test verifies the operation of the buttons on the operator panel When you select Button Test a diagram of the operator panel appears on the panel When you press a button on the operator panel an X appears on the corresponding diagram When you release the button an X disappears Pressing Back or Stop Y cancels the test DRAM Test The purpose of this test is to check the validity of DRAM memory both standard and optional The test writes patterns of data to DRAM to verify that each bit in memory can be set and read correctly To run the DRAM Test 1 Select DRAM Test from the menu The message DRAM Test Testing displays Then the messageResetting Printer appears The following type of message appears DRAM Test xxx MB P HEEH F e xxx represents the installed DRAM size es 6P represents the number of times the memory test has
112. o prima di iniziare o usare cautela se il prodotto deve essere alimentato per eseguire l intervento Safety information Xiii 4512 630 Sicherheitshinweise Die Sicherheit dieses Produkts basiert auf Tests und Zulassungen des urspr nglichen Modells und bestimmter Bauteile Bei Verwendung nicht genehmigter Ersatzteile wird vom Hersteller keine Verantwortung oder Haftung f r die Sicherheit bernommen Die Wartungsinformationen f r dieses Produkt sind ausschlieBlich f r die Verwendung durch einen Wartungsfachmann bestimmt Wahrend des Auseinandernehmens und der Wartung des Ger ts besteht ein zus tzliches Risiko eines elektrischen Schlags und k rperlicher Verletzung Das zust ndige Fachpersonal sollte entsprechende VorsichtsmaBnahmen treffen ACHTUNG Dieses Symbol weist auf eine gef hrliche elektrische Spannung hin die in diesem Bereich des Produkts auftreten kann Ziehen Sie vor den Arbeiten am Ger t den Netzstecker des Ger ts bzw arbeiten Sie mit groBer Vorsicht wenn das Produkt f r die Ausf hrung der Arbeiten an den Strom angeschlossen sein muf Pautas de Seguridad La seguridad de este producto se basa en pruebas y aprobaciones del disefio original y componentes espec ficos El fabricante no es responsable de la seguridad en caso de uso de piezas de repuesto no autorizadas La informaci n sobre el mantenimiento de este producto est dirigida exclusivamente al personal cualificado de mantenimiento Existe mayor riesgo de de
113. omp clutch removal on page 4 10 2 Use a spring hook or a small screwdriver to dislodge the arm of the shaft bushing and rotate the arm counterclockwise as far as it will go e ee 3 With the bushing aligned with the frame opening for clearance unsnap the shaft from the ACM 4 Remove the auto comp drive shaft assembly 5 Use a screwdriver to align the ACM with the shaft bearing to help in installation Repair information 4 11 4512 420 430 Bezel removal 1 Open the front access cover 2 Remove the two screws A 3 Lift the lower edge of the shield slide it to the right and remove 4 Release the four inner latches B 5 Remove the bezel and lens while the door remains open 4 12 Lexmark E350d E352dn 4512 420 430 Controller card removal Warning e Always touch a ground before touching the card Handle the card carefully by the edges Never replace the operator panel and controller card at the same time without a successful POR in between 1 Remove the right side cover See Right side cover removal on page 4 5 2 Remove the controller card cover 3 Disconnect all the cables from the controller card and remove cables from the shield housing Warning Do notreplace the controller card and the operator panel at the same time Each card contains the printer settings When either of these cards is new it obtains its settings from the other card Critical factory settings are l
114. or after multiple pick attempts but the page was later detected at the input sensor while waiting for any page s ahead to clear the paper path Possible cause is that the page is delayed at the alignment gate 200 35 Failed to create hsync during auto alignment 200 36 Lost hsyncs during auto alignment 200 37 Timeout on data collection during auto alignment 200 38 Interpage servo gap is smaller than expected for printhead offset target evaluation 201 00 Paper jam between input and exit sensor 201 01 Transport motor identification failed to identify either motor after two tries 201 02 Exit sensor never made by leading edge of page Also known as internal jam 201 03 Video never started on the page at the input sensor within two inches after hitting the input sensor 201 05 Restart attempted after an internal jam without the cover open close event It is likely that the jam was never cleared 201 25 Exit sensor never made by leading edge of media when feeding out the media that was detected during warm up 201 26 Page at fuser nip before fuser started ramping toward desired temperature Indicates code may be receiving more hall interrupts than intended Diagnostics information 2 9 4512 630 Paper jam error codes 200 series Continued Error Description 201 27 Page at fuser nip before fuser reached acceptabl
115. ost when both are new and replaced at the same time 4 Remove the four screws A that are securing the controller card m E Ki b e Repair information 4 13 4512 420 430 5 Remove the three screws B securing the USB port and the parallel ports gt B 6 Lift and remove the card Re installation note When replacing the controller card make sure to route all of the cables through the correct shield opening Make sure that the ground wire that is being held by the front upper screw is in the correct location before installing 4 14 Lexmark E350d E352dn 4512 420 430 Cover open sensor removal Remove Tray 1 Open the front cover Open the right side cover See steps 1 and 2 of Right side cover removal on page 4 5 Remove the controller card cover Loosen the one screw A from the shield that protects the sensor A 6 Disconnect the cable from J6 on the controller card Note The cable has a toroid Be sure to remove the toroid before removing the cable 7 Use a small Phillips screwdriver to remove the screw B holding the sensor 8 Remove the sensor Reinstallation note Be sure to re route the cable back through its retainer Be sure to place the toroid back over the cable Repair information 4 15 4512 420 430 Developer drive coupling assembly removal 1 Remove the left side cover See Left side cover removal on page 4 4 2 Place the machine on its right
116. ot straight Israel 25 2252 II III 7 8 Power cord 6 foot South Africa 2 5 eee reer errr reer renee 7 8 Power cord 6 foot straight Brazil 2 2 5522 Ie 7 8 Power cord 6 foot straight Europe and others 7 8 Power cord 6 foot straight Denmark 52 220 III 7 8 Power cord 1 77M straight Korea 7 8 Power cord 1 77M straight Taiwan 7 8 Power cord 1 77M straight PRC 7 8 Power cord 6 foot straight Traditional Italy 7 8 Power cord 6 foot Argentina 7 8 Power cord 1 77M straight USA Canada 7 8 Power cord 1 8M straight Australia 7 8 Fuser assembly 110 V 0220 ee rr nono 7 5 Duplex and media sensor assembly 7 5 Cooling fan mm meme SE eR Re ee qua a ma ee Shee e Tee dee 7 5 Cable assembly misc fuser power c cccur I III 7 5 Cable assembly misc main drive motor 5 55 a e rere ere 7 5 Cable assembly misc LV
117. ount being 999 999 e F represents the number of times the memory test has failed and finished with errors Initially 0000 displays with the maximum fail count being 999 999 Initially only four digits appear but additional digits appear as needed Each time the test finishes the screen updates If the test passes the pass counter increases by 1 however if the test fails a message displays for approximately three seconds Once the maximum count is reached the test stops The power indicator goes on solid and the final results display To stop the test before completion press Stop e Diagnostic aids 3 15 4512 630 DUPLEX TESTS Quick Test duplex This test prints a duplex version of the Quick Test that can be used to verify that the correct placement of the top margin on the back side of a duplex page You can run one duplexed page Single or continue printing duplexed pages Continuous until Stop 0 is pressed For information about changing the margin see Top Left Margin duplex on page 3 16 Note Before you set the duplex top margin be sure to set the registration See REGISTRATION on page 3 4 The paper you choose to print the page on should be either Letter or A4 To run the Quick Test duplex 1 Select Quick Test from DUPLEX TESTS 2 Select Single or Continuous The single Duplex Quick test cannot be canceled The printer attempts to print the Quick Test Page from the default pape
118. page 3 27 Panel Menus See Panel Menus on page 3 27 PPDS Emulation See on page 3 27 Demo Mode See Demo Mode on page 3 28 Factory Defaults See Factory Defaults on page 3 28 Energy Conserve See Energy Conserve on page 3 28 EVENT LOG print log only See EVENT LOG on page 3 28 Paper Prompts See Paper Prompts on page 3 28 Env Prompts See Env Prompts on page 3 28 Change Prompts See Change Prompts on page 3 29 Reduce Curl See Reduced Curl on page 3 29 USB Speed See USB Speed on page 3 29 Exit Config Menu See Exit Config Menu on page 3 29 Some menus are not available depending on the configuration of the printer 3 26 Service Manual 4512 630 Maintenance page count Maint Cnt Value The current value for the maintenance page counter is displayed This counter tracks printer usage A print job containing a single page increments the counter by one and a duplex page by two At 300 000 the customer is reminded that the printer requires scheduled maintenance This counter is reset by the servicer after a 80 Scheduled Maintenance message displays and a maintenance kit is installed See Maintenance kits on page 6 1 for the part number To view the maintenance page count 1 Select Maint Cnt Value from CONFIG MENU 2 Press Y to view the value Press Back to return to the
119. plication printer driver is set up correctly and the correct bidirectional parallel cable is installed but the printer still fails to print on command from the host computer replace the controller card Check the USB cable for continuity Diagnostics information 2 23 4512 630 Print quality service checks Note Ensure the cover closes tightly A gap in the opening may allow light to expose the photoconductor resulting in a dirty print Extreme environmental conditions temperatures and humidity will affect the print quality Using print quality test pages To help isolate print quality problems like streaking print test pages using the print quality test pages To print the print quality test pages 1 Enter Configuration Menu Turn off the printer Turn on the printer while pressing and holding Y and O Release the buttons when Performing Self Test displays The message CONFIG MENU displays Press bk toPrt Quality Pgs Press Y to print the pages Four pages print to help evaluate print quality The first page has various fonts and a graphic the second page is gray with graphics the third page is black and the last page is blank 2 Use the test pages to isolate problems such as light or toner streaks See POST symptom table on page 2 15 for solutions to these problems 3 Press p gt toExit Config Menu and press Y moaoop To exit configuration turn the printer off Blank page FRU Action
120. pluggable module is being removed use the correct tool Do not place the ESD sensitive part on the MFP cover or on a metal table if the ESD sensitive part needs to be put down for any reason first put it into its special bag Machine covers and metal tables are electrical grounds They increase the risk of damage because they make a discharge path from your body through the ESD sensitive part Large metal objects can be discharge paths without being grounded e Prevent ESD sensitive parts from being accidentally touched by other personnel Install machine covers when the machine is not being worked on and do not put unprotected ESD sensitive parts on a table f possible keep all ESD sensitive parts in a grounded metal cabinet case Be extra careful in working with ESD sensitive parts when cold weather heating is used because low humidity increases static electricity Removal procedures Note Pom Remove the toner cartridge and media tray before removing other printer parts The toner cartridge should be protected from light while out of the printer We recommend disconnecting all external cables from the printer to prevent damage during service Unless otherwise stated reinstall the parts in reverse order of removal When reinstalling a part held with several screws start all screws before final tightening Repair information 4 1 4512 420 430 Front access cover removal Remove Tray 1 Open the front access
121. presora cumple los requisitos para los productos laser de Clase 1 establecidos en el subcap tulo J de la norma CFR 21 del DHHS Departamento de Sanidad y Servicios y en los dem s pa ses re ne todas las condiciones expuestas en la norma IEC 60825 1 para productos l ser de Clase I 1 Los productos l ser de Clase no se consideran peligrosos La impresora contiene en su interior un l ser de Clase Illb 3b de arseniuro de galio de funcionamiento nominal a 5 milivatios en una longitud de onda de 770 a 795 nan metros El sistema l ser y la impresora est n disefiados de forma que ninguna persona pueda verse afectada por ningun tipo de radiaci n l ser superior al nivel de la Clase durante su uso normal el mantenimiento realizado por el usuario o cualquier otra situaci n de servicio t cnico Declarac o sobre Laser A impressora est certificada nos E U A em conformidade com os requisitos da regulamentac o DHHS 21 CFR Subcapitulo J para a Classe 1 de produtos laser Em outros locais est certificada como um produto laser da Classe I em conformidade com os requisitos da norma IEC 60825 1 Os produtos laser da Classe n o s o considerados perigosos Internamente a impressora cont m um produto laser da Classe IIIb 3b designado laser de arseneto de pot ssio de 5 milliwatts operando numa faixa de comprimento de onda entre 770 e 795 nan metros O sistema e a impressora laser foram concebidos de forma a nunca existir qu
122. r cara connector pin VANES 1i ica ned ko Ue ede KR b db di Qe QUAE sa sana ii m s 5 2 COMICIOS Fer RT TOUT 5 4 Preventive maintenance tLttttuttuttuuusssssssses e 6 1 Safety inspection guide iussa sema sumas ena d Rma doe red Pad deka RR ew ae 6 1 Lubrication specifications dedi vegas sra SE E Rh RR ERRARE RE AREE MER EGER RU ed ria Ro bee 6 1 Maintenance kits an iac rico ko xo R S arit A EES REOR sa CURRO EOD A RR Rda 6 1 x citis MERERETUR TIT 7 1 How to use This Darts catal g uisa bx FX EX Vader tesa KR iba bob UA Ob ER CR viat mes 7 1 Assembiy d COVEIS o ii So dae a d SE De GG adque dia desidia 7 2 Assembly 2 Electronics sos ARR RRRR EVO XU ee bart bee brew ret EE aes 7 4 Assembly 3 IIAMBuuirocsiss 99m meds tahoe anche takes ardido 7 6 Assembly 4 OptiONns lt 2254656004 3605490035 S0364 05544 A 7 8 Assembly 5 PONerCOrdS cici caus sas andes adds a VR S ARR DEERE RES 7 8 ipo Ar TT T ere N EEA eee ee ee reper Li Part MUMDE ENER ici cidad RO ER wood eon l 5 vi Service Manual 4512 630 Notices and safety information The following laser notice labels may be affixed to this printer Laser notice The printer is certified in the U S to conform to the requirements of DHHS 21 CFR Subchapter J for Class 1 laser products and elsewhere is certified as a Class laser product conforming to the requirements of IEC 60825 1 Class laser products are not considered to be hazardous The printer contains intern
123. r on Within a few seconds the controller card assembly should apply 24 V dc to pin 2 If voltage is present and the fan is not turning replace the cooling fan If the fan still doesn t function replace the controller card If voltage is not present check the controller card Cover interlock switch service check Note Make sure a print cartridge assembly is installed and the cover closes all the way engaging the cover open switch lever FRU Action Cover interlock switch Disconnect the cover interlock cable from the controller card at J6 With the printer turned off verify continuity between cable pin 1 and pin 2 with the door closed and discontinuity with the door open Verify continuity between cable pin 1 and pin 3 with the door open and discontinuity with the door closed Verify discontinuity between cable pins 2 and 3 whether the door is open or closed f either fails replace the cover interlock switch f both pass continuity turn the printer on and measure 5 V dc on pin 2 at J6 on the controller card Verify pin 3 at J6 is ground If voltage or ground is not present see Controller card service check on page 2 17 for more information 2 18 Service Manual 4512 630 Dead machine service check 100 V ac volts alternating current 127 V ac for the 110 V printer CAUTION Check the AC line voltage The voltage should be within the following limits 200 V a
124. r source If the default paper source only supports envelopes then the page is printed from Tray 1 e Check the Quick Test Page for the correct offset between the placement of the first scan line on the front and back side of a duplexed sheet The single test stops automatically when a single duplex sheet is printed and the continuous test continues until you press Stop Y Top Left Margin duplex This setting controls the offset between the first scan line on the front of the duplex page and the first scan line on the back of the page Therefore be sure to set the top margin in REGISTRATION before setting the duplex top margin See REGISTRATION on page 3 4 To set the Top Left Margin duplex 1 Print the Quick Test duplex a Select Quick Test from DUPLEX TESTS b Select Single C Hold the page to the light to see the whether the top margin of the backside aligns with the top margin of the frontside 2 Select Top Margin from DUPLEX TESTS 3 Use W or A to select the margin setting you need to change e Each increment shifts the duplex top margin by 1 100 of an inch The Top Margin duplex range is 20 to 20 and the default value is 0 Anincrease moves the top margin down and widens the top margin A decrease moves the top margin upward and narrows the top margin 4 Press Y 5 Print the Quick Test duplex again to verify the adjustment Repeat if necessary 3 16 Service Manual 4512 630 Sensor
125. rature while printing 920 08 Fuser temperature did not increase after IR recovery 920 20 Belt fuser under temperature during steady state control This can occur in printing or standby modes 921 00 Under temperature during standby control 921 01 Fuser temperature did not reach standby temperature after two attempts 922 00 Fuser failed to ramp to target temperature 922 01 Fuser did not reach standby temperature in time standby control 922 05 After fuser lamp detection the fuser did not roll over to steady state control in time 922 07 Media reached fuser nip and fuser is under temperature 922 08 Fuser warm up failure motor start condition 922 09 Fuser warm up failure compression set 922 20 Belt fuser failed to reach the preheat temperature for the motor to start during warm up 922 21 Belt fuser was under temperature when the media reached the fuser nip 923 00 Fuser is over temperature 923 01 Fuser is over temperature This applies to the fuser and belt fusers 924 00 Open thermistor check 2 12 Service Manual 4512 630 Service error codes 9xx Continued Error Description 924 01 Open thermistor check failure This applies to the fuser and belt fusers 924 02 Open thermistor check failure The ADC failed to converge Possible noisy thermistor signal This applies to the fuser and belt fusers Fan service errors 927 00 Service fan error 927 03 Mai
126. rify if the standard bin sensor is working correctly To run the Sensor Test for the standard bin 1 Select Sensor Test from OUTPUT BIN TESTS 2 Select Standard Bin from Sensor Tests 3 Select NearFull or Full sensor to test The following screen is displayed Standard Bin x Full 0pen NearFull 0pen e Full Bin full sensor e NearFull Bin near full sensor 4 Manually actuate the bin sensor by moving the flag in and out of the sensor The display indicates Open when the flag is out of the sensor and Cl os ed when the flag is in the sensor 5 Press Back amp 5 or Stop to exit the test Diagnostic aids 3 19 4512 630 BASE SENSOR TEST This test is used to determine if the sensors located inside the printer are working correctly To run the Base Sensor Test 1 Select BASE SENSOR TEST from the DIAGNOSTICS menu The following sensors are listed e Exit Exit sensor e Front Door Front door sensor e nput Input sensor 2 Manually actuate the sensors to verify that each sensor switches from Open to Cl osed 3 Press Back amp 5 or Stop PY to exit the test 3 20 Service Manual 4512 630 PRINTER SETUP Defaults US Non US defaults changes whether the printer uses the US factory defaults or the non US factory defaults The settings affected include paper size envelope size PCL symbol set code pages and units of measure Warning Changing this setting resets the printer to factory defaults
127. ront cover 2 Unhook the front end of the springs A on the right and left sides of the upper frame e A B Insert the flat end of the spring hook through the front corner opening B Push out on the latch by moving the top of the spring hook to the right and while lifting the corner Repeat for the right side and remove the assembly Unlatch the left and right sides of the front cover guide C with a flat blade screwdriver or spring hook D Lift the right side to align the flat on the guide shaft with the opening Slide the shaft through the opening UIDES 9 Slide the cover to the right to free the left side and remove the front cover guide 4 44 Lexmark M E350d E352dn 4512 420 430 Installation note Move the printer so the front hangs over the front edge of the work surface Anchor the left spring on its rear post and maintain tension on it while snapping the assembly into position on the left side Use the spring hook from below the printer to anchor the front of the spring Carefully position the unsnapped right side so the right spring can be anchored at the rear While maintaining tension on the spring snap the right side into position Use the spring hook from below the printer to anchor the front of the spring Repair information 4 45 4512 420 430 Wear strip removal tray 1 1 Hold the tray with the bottom up 2 Use a spring hook to unfasten each of the anchors on the back of each strip
128. s test The paper is placed in the output bin To run the Input Tray Feed Tests 1 Select Feed Tests from INPUT TRAY TESTS 2 Select the input source from the sources displayed on the Feed Tests menu All installed sources are listed 3 Select either Single or Continuous Single feeds one sheet of media from the selected source e Continuous media continues feeding from the selected source until Stop 0 is pressed 3 18 Service Manual 4512 630 OUTPUT BIN TESTS Feed Tests output bins Use these tests to verify that media can be fed to a specific output bin Media is fed from the default input source to the selected output bin No information is printed on the media fed to the output bin because the printhead is not engaged during this test These tests can use any media size or envelope supported by the printer To run the Feed Tests for the output bins 1 Select Feed Tests from the OUTPUT BIN TESTS 2 Select the output bin you want the paper to exit into The standard bin as well as any output option bin installed on the printer is shown on the menu The output bins are displayed in the order installed on the printer 3 Select either Single or Continuous e Single feeds one sheet of media from the selected source e Continuous media continues feeding from the selected source until Stop 0 is pressed Press Back O to return to OUTPUT BIN TESTS Sensor Test standard output bin This test is used to ve
129. scarga el ctrica y de dafios personales durante el desmontaje y la reparaci n de la m quina El personal cualificado debe ser consciente de este peligro y tomar las precauciones necesarias PRECAUCI N este s mbolo indica que el voltaje de la parte del equipo con la que est trabajando es peligroso Antes de empezar desenchufe el equipo o tenga cuidado si para trabajar con l debe conectarlo Informa es de Seguran a xiv A seguran a deste produto baseia se em testes e aprova es do modelo original e de componentes espec ficos O fabricante n o respons vel pela segunran a no caso de uso de pecas de substitui o nao autorizadas As informa es de seguran a relativas a este produto destinam se a profissionais destes servicos e nao devem ser utilizadas por outras pessoas Risco de choques el ctricos e ferimentos graves durante a desmontagem e manutengao deste produto Os profissionais destes servigos devem estar avisados deste facto e tomar os cuidados necess rios CUIDADO Quando vir este s mbolo existe a poss vel presenga de uma potencial tens o perigosa na zona do produto em que est a trabalhar Antes de comegar desligue o produto da tomada el ctrica ou seja cuidadoso caso o produto tenha de estar ligado corrente el ctrica para realizar a tarefa necess ria Service Manual Informaci de Seguretat A r9 4512 630 La seguretat d aquest producte es basa en l avaluaci i aprovaci del diss
130. tat psoriasis 3 23 Chane A dues comes sas aded E 3 23 Gap AGUS EE 3 23 EVENT LOG quins ea sia ns a ES EEES as EE actina EBRE ES RR a OR EE ma ES 3 24 Display L i iii odor sa RR POR REA RR meres it eeueeeiis IPSOS PE PPAR P ORE a 3 24 PUM COO CP 3 24 Cear Ec E ETT 3 25 EXIT DIAGNOSTICS kat tk sia ma vins edema REES RU eee KORR E dac E RUE is 3 25 Configuration menu CONFIG MENU eeeeeeee e Rh m hh nn 3 26 Entering Configuration Menn e atesa mcr rar 3 26 Available MENUS isaac dag a RUE Ud tn dedo ACORD in 3 26 Maintenance page count Maint Cnt Value 3 27 Maintenance page counter reset Reset Maint Cnt 02 cee eee eee eee 3 27 Print quality pages Prt Quality PQS 4 casa nan dle made AER AANER EENS A da ma qua ma 3 27 Panel Menus sera na mas ac CARCER USO cae ma aa lea ERE DE RE NS RE ENS RACK ERR 3 27 PPDS Emulation iaia ia SS ii A da SE Gi RA ieee Gi A HE NUR baie ee 3 28 Demo Mode 43 5 xke seo ead rasa Pe ROGA le RR RC CERCA GO dd CR A 3 28 Factory ei dt eee errr Crt etree cere ip ias 3 28 Energy CONSEIVG cds wa ames PX nd E 3 28 EVENTOS eei koosess Ra Fate ped Gotb ad boa 3 28 Paper PrOMPIS a sea eb mat debba UR ARANA es ROS EE PES PE Pb AA 3 28 ENV ROMS iua ib3ee dba aaa dd Ga ik dod d parie mortem masa ia 3 28 Change PromplS essa ha x a ca aie dea ER Ar bee bd RR RR ER Je d 3 29 Reduced Cull 13 5 xx nce A naa CREARE ea A RA ama E dd OD RR C Ru RR 3 29 USB Speed acusa se e rwr a a NU dG RE MER
131. test page Step 3 printout sample only use actual sheet BA gt lt CA gt O RO e xo e ex ex ee ee eo eo 2 oe oe OO O Ox Ox LED On O LED Off LED Flashing Step 3 of 3 Note that each step may repeat more than once 10 Press gt to change the BA setting to the number beside the darkest portion of the vertical bar 11 Press and release to move to the CA settings on the right side of Step 3 test page 12 Press gt to change the CA settings to the number beside the darkest portion of the vertical bar 3 8 Service Manual 4512 630 13 Press Go to print Visual alignment page Visual alignment printout sample only use actual sheet 14 Verify that the overall darkest line across the page is 0 If not then run the alignment again 15 Turn the printer off to exit the printer alignment menu Diagnostic aids 3 9 4512 630 Printhead assembly mechanical adjustment A printhead needs to be correctly positioned after it has been removed Align it to the frame or use the same position as the removed printhead An indicator is located at the front right hand screw for reference Note Skew is caused by a sheet being fed through the printer while misaligned The entire image is rotated relative to the sheet edges However a mechanically misaligned printhead causes the horizontal lines to appear skewed while the vertical lines remain parallel to the vertical
132. that the ground strap aligns at screw C e Verify the proper alignment of the top cover with the paper exit guide along the mating edges at the rear of the exit tray e Verify that the rollers in the top cover contact the exit guide rollers at the top rear There are arrows under the top cover to verify the location of the rollers 4 8 Lexmark E350d E352dn 4512 420 430 Auto comp removal 1 Remove the duplex See Duplex removal on page 4 18 2 Remove the auto comp clutch See Auto comp clutch removal on page 4 10 3 Use a spring hook or a small screwdriver to rotate the latch toward the bottom of the printer until it is pointing downward ht Ed ya 4 Lay the printer on its top Be sure to protect it from marring 5 Raise the auto comp and unhook the counter balance spring A Repair information 4 9 4512 420 430 6 Rotate the arm and pull to remove the auto comp y Auto comp clutch removal 1 Remove the left side cover See Left side cover removal on page 4 4 2 Remove the main motor drive See Main motor drive removal on page 4 28 3 Remove the screws A Note Resistance to loosening the screw may have to be applied to the shaft Use a finger or small screwdriver against the coupler behind the clutch 4 Remove the auto comp clutch 4 10 Lexmark E350d E352dn 4512 420 430 Auto comp drive shaft assembly removal 1 Remove the auto comp clutch See Auto c
133. the controller card Check with one probe on the connector pin and the other on the card s ground plane found at each screw head N O Controller card voltage outputs Turn the printer off and plug the LVPS HVPS cable into J19 of the controller card See the wiring diagram at the end of the book which identifies the voltages and grounds for a good controller card Turn the printer off before plugging or unplugging any connectors Diagnostics information 2 17 4512 630 Controller card service check Continued FRU Action LVPS HVPS Verify main power to controller card With the printer off unplug the LPS HVPS cable at J19 on the controller card Verify grounds on pins 7 12 and 14 for both the cable and the controller card If any of these grounds are incorrect check the cable for continuity Replace the cable or the respective card as necessary Turn the printer on with the cable still unplugged and verify the following on the cable controller card will not be powered Pins Voltage J19 8 24 V dc J19 9 24 V dc J19 13 5 V dc If any of the voltages are incorrect replace the LVPS HVPS See Dead machine service check on page 2 19 Cooling fan service check FRU Action Cooling fan Make sure the fan cable plug is properly seated at J4 controller card Turn the printer off and disconnect the cooling fan cable from the controller card Turn the printe
134. us Disabled The printer menus are disabled The printer settings cannot be changed from the control panel Note A job can still be canceled Contact a system support person Net work A network interface is the active communication link Network Card Busy An internal print server also called an internal network adapter or INA is being reset Wait for the message to clear Not Ready The printer is not ready to receive or process data Someone pressed Gi to take the printer offline Press Y to make the printer ready to receive jobs Parallel A parallel interface is the active communication link Performing Self Test The printer is running the series of start up tests it performs after it is turned on Wait for the message to clear Power Saver Send a job to print Press Y to warm the printer to normal operating temperature and display the Ready message Printing Directory List The printer is processing or printing a directory of all files stored in flash memory Wait for the message to clear Printing Font List The printer is processing or printing a list of all available fonts for the specified printer language Wait for the message to clear Printing Menu Settings The printer is processing or printing the menu settings page Wait for the message to clear Printing Device Statistics The printer is printing statistical information about the printer Wait for the message
135. y defaults Make sure the parallel cable or USB cable is firmly plugged in at the back of the printer Jobs are not printing The printer is waiting for an appropriate command and the error light is on Make sure the print cartridge assembly is installed properly solid Make sure the printer front cover is closed While in PostScript 3 Ensure the correct PostScript driver is being used emulation the printer The printer doesn t have enough memory to print the job Install more memory is flushing data Ready Data and Error lights are blinking Printhead service check FRU Action Turn the printer off Disconnect the printhead cables from J8 and J15 on the controller card A Turn the printer on vvith the front door closed On the controller card verify 5 V dc on pin 10 at J8 and 5 V de on pins 1 and 2 at J15 Printhead Verify grounds on pins 2 4 and 7 at J8 and on pin 4 at J15 Note New printhead If voltages or grounds are incorrect check the controller card See Controller card must be aligned See Printhead assembly electronic adjustment on page 3 6 service check on page 2 17 for more information If voltages are correct replace the printhead comes with cables Transfer roll service check FRU Action Note Do not touch the transfer roll except at its ends Place a sheet of paper over the roll to prevent damage from finger oils or hand lot
136. y dim See Operator panel service check on page 2 21 Blank page See Blank page on page 2 24 Black page See Black page on page 2 25 Heavy background See Heavy background on page 2 25 Light print See Light print on page 2 27 White or black lines or bands See White or black lines or bands on page 2 27 Toner on back of page See Toner on back of page on page 2 27 Media never picks See Media never picks on page 2 22 Media feeds continuously See Media picks during POST and or continuously on page 2 21 Media wrinkled or bent See Media trees wrinkles stacks poorly or curls on page 2 23 Print quality problems Light print Blurred characters Toner on both sides of media Toner not fused Streaks Blank pages See Solving print quality problems on page 2 28 2 16 Service Manual 4512 630 Service checks N Service checks which involve measuring voltages on the LVPS HVPS low voltage power supply high voltage power supply board should be performed with the printer positioned on its back side Note When making voltage readings always use frame ground unless another ground is specified See the wiring diagram in the back of the book for more information Controller card service check Controller card service check FRU Action Controller car

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