6250N - Phaser Color Laser Printer Service Manual Brandname: Xerox Category: Printer Total Pages: 467 Table of contents Phaser3ServiceTerms5PowerSafetyPrecautions7ServiceSafetySummary9ServicingFuserComponents10RegulatorySpecifications11DeclarationofConformity121GeneralInformation143ErrorMessagesandCodes154GeneralTroubleshooting177CleaningandMaintenance189PartsList2110WiringDiagrams22AAppendix23InThisChapter24CapacityFeeder25PartsofThePrinter28LedIndicators29RearView30ImageProcessorBoard31RoutineMaintenanceItems32PrinterSpecifications34FunctionalSpecifications35ElectricalSpecifications36InThisChapter40PrinterTheoryofOperation41PrintModes44ProcessControl45TonerDensityControl46High-AreaCoverageMode471LightDensitySetting48TonerControl51FuserControl52PaperPathofThePrinter53PaperPathRoute54FrameandDriveAssemblies55PaperTray258PaperFeed-Tray259500-SheetFeederTray361RetardHousingAssembly66ChuteAssemblyIn67ChuteAssemblyOut68ChuteAssemblyExit69Xerographics74TonerCartridgeAssembly77Electrical80InThisChapter82Introduction83ServicingInstructions84VoltageMeasurements86ServiceDiagnostics87DiagnosticMenuMap89ServiceDiagnosticTests90JamErrors98MediaMismatchErrors99JamErrors100JamAtDuplexJamD102MisfeedAtTray2JamT2109MisfeedAtTray3JamT3112MisfeedAtTray4JamT4115DoorandCoverErrors117ConsumableErrors118ReplaceImagingUnitOr119ReplaceTransferRollerOr121InstallOrReseatFuser122YMCKTonerIsLow126DustyDensitySensor128TrayandMediaErrors131Tray2PaperIsLow135Tray34PaperIsLow136SizeType143FatalErrors144DensitySensorFailure145FuserFailure146FuserFailureContD147FuserFailureContD148FuserFanFailure149RearFanFailure150GenericFanFailure151EngineFirmwareFailure152FuserFirmwareFailure154EngineNvramError156Non-Phaser6250Fuser159Non-Phaser6250ImagingUnit160EnvironmentalSensorFailure161InThisChapter162Introduction163SystemStart-UpandPost164PowerOnSelfTestPost165PostTestSequence166PostFaults167FrontPanelTroubleshooting169FaultIsolation170PaperSizeSwitchAssembly171Media-BasedProblems175SkewedImage176ExitJams177MacintoshPrintingProblems178WindowsPrintingProblems180InThisChapter182ImagingUnit184FrontPanelTestPrints185TestPrint2RgbTestPrint186ServiceTestPrints187600X600ServiceTestPrint189PrintEngineTestPrint190LightPrints191InitialActions192BlankPrints194BackgroundContamination201InTheProcessDirection205InThisChapter208Calibrations209Adjustments210ResettingNvram211InThisChapter216RecommendedTools217InThisChapter220Overview221GeneralNotesOnDisassembly222Consumables223TonerCartridgeRemoval224PrintEngineDisassembly225FrontPanelPl111226FuserFanPl117227TopMainCoverPl119228RearCoverPl1120231Tray1MptPl1199233PaperFeed237ReplacementNotes240ReplacementNotes241Pl322243IndicatorGuidePl3210246Removal-LowPaperLever247PaperPickRollersPl333248Pl334249Removal-NoPaperSensor250LinkActuatorPl336251FeedSolenoidPl3317252ReplacementNotes254ReplacementNotes257ChuteAssemblyIn260CtdAdcSensorPl5111261ReplacementNotes263LeftLatchPl5130265ChuteAssemblyOut266SensorPl614269Pl614270RemovingTheDuplexSensor271RemovalofTheActuator272RemovalofTheSensor273DuplexRollerPl6112275ReassemblyNotes278Tray1ShaftPl6128279ReassemblyNotes280ChuteAssemblyExit281ExitRollerPl714282MidRollerPl715283ReassemblyNotes285StrapPl8113286Xerographics287ReplacementNotes289ReplacementNotes291RemovalofActuator292RemovalofSensor293ReplacementNotes295ReplacementNotes298YPl1011299And10122301TonerLowSensorPl1015303ReplacementNotes304EepromBoardPl10114305FrameandDriveAssemblies307Electrical317ReplacementNotes319RearFanPl1212321CardCage322ReplacementNotes324ReplacementNotes325ReplacementNotes327ReplacingTheBoard329CoverFrontPl1424330Pl1452333HarnessAssemblyTray3334ReplacementNotes335Reassembly337Pl1458338LeftTrayGuidePl1433341LinkActuatorPl1446343IdlerGearPl1456345ReplacementNotes348CoverFrontPl1524349Reassembly350