Samsung MultiXpress X4 Series User manual

A3ColorCopier
MultiXpressX4series
SL-X4300LX/SL-X4250LX/
SL-X4220RX
(Ver1.47)
SERVICEMANUAL
A3ColorCopierContents
1.Precautions
2.ProductSpecicationsandDescription
3.DisassemblyandReassembly
4.Troubleshooting
5.ConnectionDiagram
6.ReferenceInformation
RefertotheservicemanualintheGSPN(seetherearcover)formoreinformation.

Contents
Contents
1.Precautions........................................................................................................................................1−1
1.1.Safetywarning..........................................................................................................................1−1
1.2.Cautionforsafety......................................................................................................................1−2
1.2.1.Toxicmaterial...............................................................................................................1−2
1.2.2.Electricshockandresafetyprecautions...........................................................................1−2
1.2.3.Handlingprecautions.....................................................................................................1−4
1.2.4.AssemblyandDisassemblyprecautions.............................................................................1−4
1.2.5.Disregardingthiswarningmaycausebodilyinjury..............................................................1−5
1.3.ESDprecautions........................................................................................................................1−6
2.ProductSpecicationsandDescription....................................................................................................2−1
2.1.ProductOverview......................................................................................................................2−1
2.2.Specications............................................................................................................................2−2
2.2.1.GeneralSpecication.....................................................................................................2−2
2.2.2.PrintSpecications........................................................................................................2−4
2.2.3.Scanspecication..........................................................................................................2−6
2.2.4.Copyspecication.........................................................................................................2−8
2.2.5.Faxspecication...........................................................................................................2−9
2.2.6.PaperHandlingspecication..........................................................................................2−11
2.2.7.SoftwareandSolutionspecication.................................................................................2−12
2.2.8.Supplies.....................................................................................................................2−14
2.2.9.MaintenanceParts.......................................................................................................2−15
2.2.10.Option.......................................................................................................................2−16
2.3.MachineExternalView.............................................................................................................2−21
2.4.FeedingSystem.......................................................................................................................2−25
2.4.1.FeedingSystemOverview.............................................................................................2−25
2.4.2.MainComponentsandfunctions....................................................................................2−26
2.4.3.Cassette(Tray1,2,3,4)..................................................................................................2−30
2.4.4.Pick-UpUnit..............................................................................................................2−31
2.4.5.RegistrationUnit.........................................................................................................2−32
2.4.6.MPF(Multi-PurposeFeeder)Unit...................................................................................2−33
2.5.ImageCreation........................................................................................................................2−34
2.5.1.Printingprocessoverview.............................................................................................2−34
2.5.2.ImagingUnit..............................................................................................................2−35
2.5.2.1.ImagingUnit................................................................................................2−35
2.5.2.2.Drumdrive..................................................................................................2−36
2.5.2.3.DeveloperUnit.............................................................................................2−37
2.5.3.ITB(IntermediateTransferBelt)Unit..............................................................................2−39
2.5.3.1.ITBUnitoverview........................................................................................2−39
iCopyright©1995-2017SAMSUNG.Allrightsreserved.

Contents
2.5.3.2.Transferbeltdrive.........................................................................................2−40
2.5.3.3.Transferbeltcleaning.....................................................................................2−41
2.6.Fuserunit...............................................................................................................................2−42
2.6.1.Fuserunitoverview.....................................................................................................2−42
2.6.2.FuserUnitdrive..........................................................................................................2−43
2.6.3.Fuserunittemperaturecontrol........................................................................................2−44
2.6.4.Loopcontrol...............................................................................................................2−45
2.7.Laserscanningunit(LSU).........................................................................................................2−46
2.7.1.LSUoverview.............................................................................................................2−46
2.7.2.LaserScanningOpticalpath..........................................................................................2−47
2.7.3.Lasersynchronizingdetectors........................................................................................2−48
2.7.4.Automaticlinepositionadjustment.................................................................................2−49
2.7.5.ShutterMechanism......................................................................................................2−52
2.8.DriveSystem..........................................................................................................................2−53
2.8.1.DriveMotors..............................................................................................................2−53
2.8.2.MainDriveUnit(OPC_DEVE_ITB_T1_Disengage_Engage)..............................................2−54
2.8.3.PickUpDrive.............................................................................................................2−55
2.8.4.Regi_MPDrive...........................................................................................................2−56
2.8.5.FeedDrive.................................................................................................................2−57
2.8.6.Fuser_ExitDrive.........................................................................................................2−58
2.8.7.WasteTonerContainerDrive.........................................................................................2−59
2.8.8.TonerSupplyDrive......................................................................................................2−59
2.9.ScannerSystem.......................................................................................................................2−60
2.9.1.ScannerSystemOverview.............................................................................................2−60
2.9.2.ScanningSystemComponents.......................................................................................2−63
2.9.3.Cautionformovingthescanner......................................................................................2−69
2.10.DualScanDocumentFeeder(DSDF)forX4300andX4250.............................................................2−70
2.10.1.DSDFoverview..........................................................................................................2−70
2.10.2.Electricalpartslocation................................................................................................2−71
2.10.3.DSDFDriveSystem....................................................................................................2−73
2.10.3.1.DSDFOriginalPick-UpAssembly...................................................................2−74
2.10.3.2.DSDFOriginalRegi.Drive.............................................................................2−75
2.10.3.3.OriginalScanningandFeed-OutDrive..............................................................2−76
2.11.ReverseAutomaticDocumentFeeder(RADF)forX4220................................................................2−77
2.11.1.RADFoverview..........................................................................................................2−77
2.11.2.Electricalpartslocation................................................................................................2−78
2.11.3.RADFDriveSystem....................................................................................................2−79
2.11.3.1.RADFOriginalPick-UpAssembly...................................................................2−80
2.11.3.2.RADFRegistration(Regi)DriveAssembly........................................................2−81
2.11.3.3.RADFFeedDriveAssembly...........................................................................2−82
Copyright©1995-2017SAMSUNG.Allrightsreserved.ii

Contents
2.11.3.4.RADFExitDriveAssembly............................................................................2−83
2.11.3.5.OriginalReturnDrive....................................................................................2−84
2.12.HardwareConguration............................................................................................................2−85
2.12.1.MainController(MainBoard).......................................................................................2−88
2.12.2.OPEHUBPBA...........................................................................................................2−93
2.12.3.SMPS(SwitchingModePowerSupply)board..................................................................2−94
2.12.4.FuserDriveBoard(FDB)..............................................................................................2−96
2.12.5.HVPSboard...............................................................................................................2−97
2.12.6.EraserPBA..............................................................................................................2−100
2.12.7.FuserPBA...............................................................................................................2−100
2.12.8.WasteSensorPBA.....................................................................................................2−100
2.12.9.CRUMPBA.............................................................................................................2−101
2.12.10.DeveCRUMJointPBA.............................................................................................2−101
2.12.11.TonerCRUMJointPBA............................................................................................2−101
2.12.12.PaperSizesensorPBA...............................................................................................2−102
2.12.13.OPEUnit.................................................................................................................2−103
2.13.CassetteHeater......................................................................................................................2−104
2.14.DCFUnit.............................................................................................................................2−105
2.15.InnerFinisher.........................................................................................................................2−111
3.DisassemblyandReassembly................................................................................................................3−1
3.1.Precautionswhenreplacingparts..................................................................................................3−1
3.1.1.Precautionswhenassemblinganddisassembling.................................................................3−1
3.1.2.PrecautionswhenhandlingPBA.......................................................................................3−1
3.1.3.ReleasingPlasticLatches................................................................................................3−2
3.2.Maintenance.............................................................................................................................3−3
3.2.1.MachineCleaningformaintenance...................................................................................3−3
3.2.1.1.CleaningtheLSUwindow................................................................................3−3
3.2.1.2.Cleaningthetransferroller................................................................................3−4
3.2.1.3.Cleaningthescanglass.....................................................................................3−4
3.2.1.4.CleaningtheDSDFwhitebar_CIS.....................................................................3−5
3.2.1.5.CleaningtheCTDsensor..................................................................................3−6
3.2.1.6.Cleaningthepaperduststick.............................................................................3−7
3.2.2.Replacingthemaintenancepart........................................................................................3−9
3.2.2.1.DrumUnit.....................................................................................................3−9
3.2.2.2.DeveloperUnit.............................................................................................3−10
3.2.2.3.ITBCleaner.................................................................................................3−12
3.2.2.4.ITBUnit......................................................................................................3−12
3.2.2.5.Fuserunit....................................................................................................3−14
3.2.2.6.Transferroller...............................................................................................3−14
3.2.2.7.Pick-Up_Reverse_Forwardroller.....................................................................3−16
iiiCopyright©1995-2017SAMSUNG.Allrightsreserved.

Contents
3.2.2.8.MPPickup_Reverse_Forwardroller.................................................................3−17
3.2.2.9.DSDFPick-uprollerAssy...............................................................................3−18
3.2.2.10.DSDFreverseroller.......................................................................................3−19
3.2.2.11.RADFpickuprollerAssy...............................................................................3−21
3.2.2.12.RADFreverserollerAssy...............................................................................3−22
3.3.ReplacingthemainSVCpart.....................................................................................................3−23
3.3.1.LeftCover..................................................................................................................3−23
3.3.2.RearCover.................................................................................................................3−23
3.3.3.HVPSboard...............................................................................................................3−24
3.3.4.Temperature_HumiditySensor.......................................................................................3−24
3.3.5.LSU..........................................................................................................................3−25
3.3.6.OPEUnit...................................................................................................................3−26
3.3.7.Mainboard.................................................................................................................3−28
3.3.8.SMPSFan..................................................................................................................3−28
3.3.9.SMPSboard...............................................................................................................3−29
3.3.10.FDBboard.................................................................................................................3−29
3.3.11.Fuser-DuctFan...........................................................................................................3−30
3.3.12.Mainboardshield........................................................................................................3−30
3.3.13.MainDriveunit...........................................................................................................3−31
3.3.14.Fuser_ExitDriveunit...................................................................................................3−31
3.3.15.Pick-upDriveunit.......................................................................................................3−32
3.3.16.FeedDriveunit...........................................................................................................3−32
3.3.17.Regi_MPDriveunit.....................................................................................................3−33
3.3.18.TonerSupplyDriveunit................................................................................................3−33
3.3.19.Wastetonercontainerdriveunit.....................................................................................3−34
3.3.20.AutoSizesensor.........................................................................................................3−34
3.3.21.ExitUnit....................................................................................................................3−35
3.3.22.SideUnit...................................................................................................................3−36
3.3.22.1.Fuseroutsensor............................................................................................3−37
3.3.22.2.DuplexsensorandCurlsensor.........................................................................3−38
3.3.22.3.MPunit.......................................................................................................3−39
3.3.23.Pick-upUnitandEmpty_Levelsensor.............................................................................3−43
3.3.24.Feedsensor1..............................................................................................................3−44
3.3.25.FeedUnitandFeedsensor2..........................................................................................3−45
3.3.26.RegistrationUnit.........................................................................................................3−46
3.3.27.DSDFUnit.................................................................................................................3−47
3.3.27.1.DSDFboard.................................................................................................3−49
3.3.27.2.DSDFmainmotor.........................................................................................3−50
3.3.27.3.DSDFpaperlengthsensor...............................................................................3−51
3.3.28.RADFUnit................................................................................................................3−53
Copyright©1995-2017SAMSUNG.Allrightsreserved.iv

Contents
3.3.28.1.RADFBoard................................................................................................3−54
3.3.28.2.RADFStacker..............................................................................................3−55
3.3.29.ScannerUnit(PlatenUnit).............................................................................................3−56
3.3.29.1.ScanGlass...................................................................................................3−58
3.3.29.2.LEDLampModule........................................................................................3−60
3.3.29.3.ScanImagingUnit.........................................................................................3−61
3.3.29.4.ScanJointBoard...........................................................................................3−64
3.3.29.5.APSSensor..................................................................................................3−65
3.3.30.ADFWhiteSponge......................................................................................................3−66
3.3.31.SideCoverOpenSwitch...............................................................................................3−67
3.3.32.FrontCoverOpenSwitch..............................................................................................3−68
3.3.33.HDD(HardDiskDrive)................................................................................................3−69
3.3.34.DCF(DoubleCassetteFeeder).......................................................................................3−70
3.3.34.1.DCFmainboard...........................................................................................3−70
3.3.34.2.DCFFeedMotor...........................................................................................3−71
3.3.34.3.DCFPickUpMotor.......................................................................................3−71
3.3.35.Finisher.....................................................................................................................3−72
3.3.35.1.EntranceSensor............................................................................................3−72
3.3.35.2.EntranceMotor.............................................................................................3−74
3.3.35.3.ExitSensor..................................................................................................3−77
3.3.35.4.ExitMotor...................................................................................................3−78
3.3.35.5.SubPaddleShaftSubAssy.............................................................................3−79
3.3.35.6.FrontJoggerMotor........................................................................................3−81
3.3.35.7.FrontJoggerHomeSensor..............................................................................3−87
3.3.35.8.RearJoggerMotor.........................................................................................3−87
3.3.35.9.RearJoggerHomeSensor...............................................................................3−89
3.3.35.10.Stapler........................................................................................................3−90
3.3.35.11.TraverseHomeSensor...................................................................................3−91
3.3.35.12.TraverseMotor.............................................................................................3−94
3.3.35.13.StackerMotor...............................................................................................3−95
3.3.35.14.StackerEncoderSensor..................................................................................3−95
3.3.35.15.StackerLowerLimitSwitch............................................................................3−96
3.3.35.16.StackBeamSensor........................................................................................3−97
3.3.35.17.StackPositionSensor.....................................................................................3−98
3.3.35.18.PaperHoldingLeverSolenoid.......................................................................3−100
3.3.35.19.PaperSupportMotor....................................................................................3−102
3.3.35.20.PaperSupportHomeSensor..........................................................................3−103
3.3.35.21.EjectorMotorAssy......................................................................................3−105
3.3.35.22.MainPaddleMotor......................................................................................3−108
3.3.35.23.MainPaddleHomeSensor............................................................................3−109
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Contents
3.3.35.24.MainPaddle...............................................................................................3−110
3.3.35.25.EjectorAssy................................................................................................3−111
3.3.35.26.PunchDustFullSensor................................................................................3−112
3.3.35.27.DoorSwitch...............................................................................................3−113
3.3.35.28.TopDoorSwitch.........................................................................................3−114
3.3.36.CardReaderorNFCKitInstallation.............................................................................3−115
3.3.36.1.InstallingtheCardReaderorNFCKitonWorkingtable(BYOD)table..................3−115
3.3.36.2.InstallingtheCardReaderorNFCKitinsideCover-ScanFront...........................3−117
4.Troubleshooting..................................................................................................................................4−1
4.1.ControlPanel............................................................................................................................4−1
4.1.1.Displayscreenandusefulbuttons.....................................................................................4−2
4.1.1.1.Menunavigation.............................................................................................4−2
4.1.1.2.HomeScreenOverview....................................................................................4−3
4.1.1.3.Customizingyourhomescreen..........................................................................4−4
4.1.1.4.NoticationBar..............................................................................................4−6
4.2.UnderstandingtheLEDs.............................................................................................................4−7
4.3.UpdatingFirmware....................................................................................................................4−8
4.3.1.UpdatingfromthePrinterControlPanel............................................................................4−8
4.3.2.UpdatingfromtheNetwork............................................................................................4−9
4.4.JAMremoval..........................................................................................................................4−12
4.4.1.Clearingoriginaldocumentjams....................................................................................4−12
4.4.2.Clearingpaperjams.....................................................................................................4−15
4.5.ServiceMode(TechMode)........................................................................................................4−20
4.5.1.EnteringtheServiceMode............................................................................................4−20
4.5.2.ServiceModeMenuTree.............................................................................................4−21
4.5.3.Information................................................................................................................4−26
4.5.3.1.General.......................................................................................................4−26
4.5.3.2.SupplyStatus...............................................................................................4−26
4.5.3.3.SoftwareVersion...........................................................................................4−27
4.5.3.4.ServiceHours...............................................................................................4−27
4.5.3.5.FaultLog.....................................................................................................4−27
4.5.3.6.PrintReports................................................................................................4−27
4.5.3.7.ExportReports..............................................................................................4−28
4.5.4.MaintenanceCounts.....................................................................................................4−29
4.5.4.1.FaultCount.................................................................................................4−29
4.5.4.2.JamCount...................................................................................................4−29
4.5.4.3.PartReplacementCount.................................................................................4−30
4.5.5.Diagnostics................................................................................................................4−31
4.5.5.1.EngineDiagnostics........................................................................................4−31
4.5.5.2.FaxDiagnostics............................................................................................4−37
Copyright©1995-2017SAMSUNG.Allrightsreserved.vi

Contents
4.5.5.3.ScannerDiagnostics.......................................................................................4−42
4.5.5.4.Adjustment..................................................................................................4−46
4.5.5.5.ACS(AutoColorSensing).............................................................................4−53
4.5.5.6.ImageManagement......................................................................................4−54
4.5.5.7.PrintTestPatterns.........................................................................................4−56
4.5.6.ServiceFunctions........................................................................................................4−57
4.5.6.1.MainMemoryClear......................................................................................4−57
4.5.6.2.HardDiskMaintenance..................................................................................4−57
4.5.6.3.CountSettingofLargePage...........................................................................4−57
4.5.6.4.NetworkPort................................................................................................4−58
4.5.6.5.DebugLog...................................................................................................4−58
4.5.6.6.CaptureLog.................................................................................................4−58
4.5.6.7.NetworkPacketCapture.................................................................................4−59
4.5.6.8.SystemRecovery..........................................................................................4−60
4.5.6.9.TRControlMode.........................................................................................4−62
4.5.6.10.ClearSystemCache.......................................................................................4−62
4.5.6.11.Hibernation..................................................................................................4−62
4.5.6.12.PaperLowWarningMessage...........................................................................4−62
4.5.6.13.PartReplacementAlert...................................................................................4−63
4.5.6.14.FDI............................................................................................................4−63
4.5.6.15.EIUL(EndofImageUnitLife)........................................................................4−63
4.5.6.16.SFE(SpecialFeatureEnablement)....................................................................4−63
4.5.6.17.DealerID.....................................................................................................4−64
4.5.6.18.EnvelopeRotate............................................................................................4−65
4.5.6.19.Drain..........................................................................................................4−65
4.6.ErrorCodeandTroubleshooting.................................................................................................4−66
4.6.1.11–2Txx(Papermismatcherror)....................................................................................4−66
4.6.2.61–1111(HibernationFail)............................................................................................4−67
4.6.3.A1–xxxx(Motorerror).................................................................................................4−68
4.6.4.A2–xxxx(Fanerror)....................................................................................................4−94
4.6.5.A3–xxxx(Sensorerror)................................................................................................4−97
4.6.6.C1–xxxx(Tonercartridgeerror)...................................................................................4−102
4.6.7.C3–xxxx(Drumuniterror)..........................................................................................4−115
4.6.8.C5–xxxx(ITBuniterror)............................................................................................4−124
4.6.9.C6–xxxx(Fuseruniterror)..........................................................................................4−126
4.6.10.C7–xxxx(Wastetonercontainererror)..........................................................................4−127
4.6.11.C8–xxxx(Developererror)..........................................................................................4−128
4.6.12.C9–xxxx(Transferrollererror)....................................................................................4−133
4.6.13.H1–xxxx(Optionaltrayerror)......................................................................................4−135
4.6.14.H2–xxxx(InnerFinishererror)....................................................................................4−148
viiCopyright©1995-2017SAMSUNG.Allrightsreserved.

Contents
4.6.15.Mx–xxxx(Jamerror).................................................................................................4−181
4.6.16.Mx–xxxx(Traynotinstall_Paperempty_Outbinfull).......................................................4−192
4.6.17.Sx–xxxx(Systemerror)..............................................................................................4−201
4.6.18.U1–xxxx(Fusererror)................................................................................................4−223
4.6.19.U2–xxxx(LSUerror).................................................................................................4−226
4.6.20.U3–xxxx(DocumentFeedererror_DSDF).....................................................................4−230
4.7.Imagequalityproblemsandsolutions........................................................................................4−236
4.7.1.VerticalBlackBand...................................................................................................4−239
4.7.2.VerticalWhiteBand,LightBand..................................................................................4−240
4.7.3.HorizontalperiodicBlackBandorDot..........................................................................4−242
4.7.4.HorizontalperiodicLight/DarkBandorDot...................................................................4−243
4.7.5.FoggyImage............................................................................................................4−244
4.7.6.LightImage..............................................................................................................4−245
4.7.7.BlurredImage...........................................................................................................4−246
4.7.8.Incorrectcolorregistration.........................................................................................4−247
4.7.9.Unevenpitchandjitterimage......................................................................................4−248
4.7.10.Skewedimage...........................................................................................................4−249
4.7.11.Blankcopy...............................................................................................................4−250
4.7.12.Poorfusingperformance.............................................................................................4−251
4.7.13.Stainonthepaperbackside.........................................................................................4−252
4.7.14.SettingStandardTone................................................................................................4−253
4.7.15.DuplexBlur_WhiteSpot_Bluroncolorprint-out.............................................................4−256
4.7.16.ScanWaveformDropImage........................................................................................4−257
4.8.OtherErrors..........................................................................................................................4−259
4.8.1.Imagesystemproblem................................................................................................4−259
4.8.2.Fuserproblem...........................................................................................................4−269
4.8.3.ScannerandDocumentFeederproblem.........................................................................4−270
4.8.4.Driveunitproblem....................................................................................................4−281
4.8.5.Feedingsystemproblem.............................................................................................4−282
4.8.6.LSUproblem............................................................................................................4−287
4.8.7.Softwareproblem......................................................................................................4−289
4.8.8.Electricalcircuitproblem............................................................................................4−294
4.9.Adjustment...........................................................................................................................4−303
4.9.1.AdjustingtheLSUskewerror......................................................................................4−303
4.9.2.AdjustingtheADF(DSDF_RADF)skew........................................................................4−304
4.9.3.AdjustingtheScanFRCarriageFlatness........................................................................4−307
4.9.4.AdjustingtheScanTopSkew......................................................................................4−309
4.10.SPDS(SmartPrinterDiagnosticSystem)Application...................................................................4−311
4.10.1.SPDSAppInstallationandLogin.................................................................................4−312
4.10.1.1.SPDSAppInstallation.................................................................................4−312
Copyright©1995-2017SAMSUNG.Allrightsreserved.viii

Contents
4.10.1.2.UserRegistrationRequest.............................................................................4−313
4.10.1.3.Change_ResetPassword...............................................................................4−314
4.10.1.4.Login........................................................................................................4−315
4.10.1.5.SelectConnectMethod................................................................................4−317
4.10.1.6.Consenttocustomerinformation....................................................................4−320
4.10.2.SPDSMenuIntroduction............................................................................................4−321
4.10.2.1.ErrorMode................................................................................................4−321
4.10.2.2.DiagnosisMode..........................................................................................4−326
4.10.2.3.TestMode..................................................................................................4−327
4.10.2.4.InformationMode.......................................................................................4−328
4.10.2.5.ServiceMode.............................................................................................4−330
4.10.3.CorrectiveUpload.....................................................................................................4−335
4.10.4.Exceptions...............................................................................................................4−336
5.ConnectionDiagram............................................................................................................................5−1
5.1.ConnectionDiagram(FUSER_EXIT)............................................................................................5−2
5.2.ConnectionDiagram(PICKUP_PHDRIVE_SIDE).........................................................................5−3
5.3.ConnectionDiagram(LSU_HVPS)...............................................................................................5−4
5.4.ConnectionDiagram(Toner)........................................................................................................5−5
5.5.ConnectionDiagram(FDB_SMPS)...............................................................................................5−6
5.6.ConnectionDiagram(UI)............................................................................................................5−7
5.7.ConnectionDiagram(FRONT_OPC)............................................................................................5−8
5.8.ConnectionDiagram(Scanner).....................................................................................................5−9
5.9.ConnectionDiagram(DoubleCassetteFeeder)..............................................................................5−10
5.10.ConnectionDiagram(FAX_DUALNW_FDI)...............................................................................5−11
6.ReferenceInformation..........................................................................................................................6−1
6.1.ToolsforTroubleshooting............................................................................................................6−1
6.2.Glossary...................................................................................................................................6−3
6.3.ModelNameandCode...............................................................................................................6−9
6.4.DocumentRevisionList............................................................................................................6−10
ixCopyright©1995-2017SAMSUNG.Allrightsreserved.