User ManualTable of ContentsTable of contents3Laser notices11Laser advisory label11Class 1 Laser statement label12Laser notice13Laser13Avis relatif à l’utilisation de laser14Avvertenze sui prodotti laser14Avisos sobre el láser15Laserinformatie16Lasermeddelelse16Huomautus laserlaitteesta17Laser-notis17Laser-melding18Avís sobre el Làser18Japanese laser notice19Chinese laser notice19Korean laser notice20Safety information21Consignes de sécurité21Norme di sicurezza22Sicherheitshinweise22Pautas de Seguridad23Informações de Segurança23Informació de Seguretat24Preface26Definitions261. General information27Maintenance approach27Tools required for service27Serial number28Acronyms29Specifications30Resolution30Model differences30Technical specifications30Physical specifications and weight31Operating clearances32Packaging and shipping dimensions32Print speed and performance33Time to first print33Duty cycle34Printer memory34Paper and media specifications34Media sizes37Output capacity by media and source38Media guidelines38Connectivity40Power and electrical specifications41Environment42Printer identification43Options identification44Printer theory of operation45Printer paper path46Printer systems description47Basic principles of color printing47Mechanical and electrical structures47Printer component systems49Basic process of color printing50Print system and transfer system51Structure of OPC belt (photo developer cartridge)52Basic structure of the print system53Details of the print system55Charging process55Exposing process57Developing process58First transfer (drum) process60Belt discharge (erase lamp) process61Belt cleaning process62Details of the transfer system64Second transfer (paper) process64Transfer belt cleaning process65Details of the optical system66Details of the paper transportation system68Fusing unit70Fusing process72Control system structure73Electrical system and function73Control of print process74Print sequence diagram75Laser drive control circuit76Interface control772. Diagnostic information79Start79Service error codes80Operator messages87Paper jam messages100Symptom tables103Printer symptom table103Print quality symptom table105Printer service checks107901-Yellow developer clutch service check107902-Magenta developer clutch service check109903-Cyan developer clutch service check111904-Black developer clutch service check113905-Yellow toner retract solenoid service check115906-Magenta toner retract solenoid service check117907-Cyan toner retract solenoid service check119908-Black toner retract solenoid service check121910-Developer motor service check123911-Main motor service check126912-Power supply fan service check129913-Fuser fan service check130914-Laser fan service check131915-Erase lamp service check132916-Toner empty sensor (sender-TPD) service check134917-Toner empty sensor (receiver-TTR) service check135918-HVPS connection service check136919-Lower feed unit (secondary paper assembly) service check137920-Fuser thermistor service check138921,922,923,924,925-Fuser assembly service check139930,931,932-Laser unit assembly service check140985-Duplex connection error 1 service check141986-Duplex connection error 2 service check142990-Transfer belt unit service check143991-Transfer roller clutch service check145992-Transfer belt cleaning roller clutch service check146993-Fuser clutch service check147994-OPC belt marker sensor service check148995-High voltage power supply (HVPS) service check150996-Low voltage power supply (LVPS) service check152Cover open service check153Incorrect media service check156Missing photodeveloper cartridge service check158Missing toner cartridge service check159OPC belt (photodeveloper) cartridge drive service check161Operator panel service check162Output tray full service check163Paper size sensing service check165Printer no power service check167Toner feed service check169Toner low/empty service check170Transfer roller missing service check171Tray empty service check173Waste toner bottle service check175Waste toner feed service check176Paper feed service checks177Printer paper feed service check177Print quality service checks179Background service check179Back stain service check180Banding service check181Black line service check182Color misregistration service check183Insufficient fusing service check185Insufficient gloss service check186Jitter service check187Missing image at edge service check188Mixed color image service check189Mottle service check190Residual image service check191Ribbing service check192Toner drop service check194Vertical line service check196Vertical staggering image service check197Vertical white band service check198White band service check199White line I service check200White line II service check201White spot / black spot service check202White print service check203Wrinkle / image migration service check204Uneven density (right and left)205Spacing table207Roller specifications2073. Diagnostic aids209Disabling download emulations209Paper jam sequence210Diagnostic mode212Diagnostics menu structure213Print quality test pages213Print registration214Setting tray 2 left margin214Setting top margin215Print tests215Hardware tests216LCD test217Button test217Parallel wrap test217ROM memory test218DRAM memory test219Serial wrap test219Duplex tests221Duplex left margin221Device tests222Quick disk test222Disk test/clean222Flash test223Printer setup224Setting the page count224Viewing the permanent page count224Serial number225Setting configuration ID225Parallel strobe adjustment226Error log227Viewing the error log227Printing the error log227Clearing the error log228Restore EP factory defaults228Exiting diagnostic mode2294. Repair information231Removal and cleaning precautions231Handling the printed circuit boards with MOS ICs232During transportation/storage:232During replacement:232During inspection:232Photodeveloper cartridge233During transportation/storage233Handling233Parts not to be touched233Printer removal procedures234Precautions to take before maintenance work234CRU/FRU and supplies removals235Cleaning roller cover removal236Transfer belt cleaning roller removal236Transfer belt unit removal237Transfer roller removal238Fuser assembly removal239Waste toner bottle removal240Photodeveloper cartridge removal241Duplex unit assembly removal243Secondary paper feed assembly removal246Cover removals247Top cover assembly removal248Front cover assembly removal249Right cover removal252Rear cover assembly removal252Left cover removal254Laser unit assembly (printhead) removal254Laser unit fan assembly removal256Erase lamp removal257Right side removals259Front door interlock switch removal259Front door interlock switch with bracket261Developer motor removal261Waste toner bottle holder removal262Developer drive assembly removal262Toner sensor (sender) removal265Cleaning roller clutch removal266Main motor assembly removal268Clutch removal270Main drive gear assembly removal271Waste toner feeder removal272Rear removals274RIP board removal275Bracket assembly removal275Paper guide assembly removal276Paper guide (C) assembly removal277Paper feed roller removal278Paper exit assembly removal279Registration assembly removal282Left side removals283Operator panel cable removal284Engine controller board removal285RIP board cage removal287High voltage power supply (HVPS) removal289Low voltage power supply (LVPS) with cage removal290HVPS cage removal292Toner present sensor removal293Toner sensor (receiver) removal294Toner retract solenoid and cam removal294Left tray guide assembly removal295Top removals298Marker sensor assembly removal299I/O board removal300Waste toner auger removal302Waste toner agitator removal303Power supply fan removal3045. Locations and connectors305Printer305Options307Electronic components308Sensor locations308Printer circuit board locations310Fan/motor locations311Interlock switch locations312Solenoid/clutch locations313Symbol and part name table315Wiring diagram / cable harness reference318RIP board319Engine controller board320Input/output (I/O) board321Low voltage power supply (LVPS) board322High voltage power supply (HVPS) board322Printer cables323Cable 1 connector assignments323Cable 1 connector pin assignments323Cable 2 connector assignments326Cable 2 connector pin assignments326Cable 3 connector assignments328Cable 3 connector pin assignments328Cable 4 connector assignments330Cable 5 connector assignments331Cable 6 connector assignments336Cable 6 connector pin assignments336Cable 7 connector assignments340Cable 7 connector pin assignments340Cable 9 connector assignments346Cable 9 connector pin assignments346Cable 10 connector assignments348Cable 10 connector pin assignments348Cable 11 connector assignments350Cable 11 connector pin assignments350Cable 12 connector assignments351Cable 12 connector pin assignments351Cable 13 connector assignments352Cable 13 connector pin assignments3526. Preventive maintenance3557. Parts catalog357How to use this parts catalog357Assembly 1: Base printer358Assembly 2: Covers360Assembly 3: Front362Assembly 4: Right364Assembly 5: Rear366Assembly 6: Left368Assembly 7: Top370Assembly 8: RIP board372Assembly 9: Miscellaneous/Options374Index377Part number index381Cable diagram385Size: 5.87 MBPages: 385Language: EnglishOpen manual
