Contents
2.11.3.5.DSDFOriginalExitAssembly.........................................................................2−89
2.11.3.6.DSDFOriginalLiftingAssembly.....................................................................2−90
2.11.3.7.DSDFOriginalPick-up_ReverserollerReleaseAssembly....................................2−91
2.11.3.8.DSDFScaninRollerReleaseAssembly............................................................2−92
2.12.HardwareConguration............................................................................................................2−93
2.12.1.MainController(MainBoard).......................................................................................2−95
2.12.2.HUBPBA................................................................................................................2−106
2.12.3.SMPS(SwitchingModePowerSupply)PBA(Type5)......................................................2−108
2.12.4.SMPS(SwitchingModePowerSupply)PBA(Type3R)....................................................2−110
2.12.5.SMPS(SwitchingModePowerSupply)PBA(Type4)......................................................2−112
2.12.6.FuserDriveBoard(FDB)............................................................................................2−114
2.12.7.HVPS(HighVoltagePowerSupply)board.....................................................................2−115
2.12.8.EraserPBA..............................................................................................................2−117
2.12.9.FuserPBA...............................................................................................................2−117
2.12.10.WasteSensorPBA.....................................................................................................2−118
2.12.11.PaperSizesensorPBA...............................................................................................2−118
2.12.12.OPEUnit.................................................................................................................2−119
2.12.13.DSDFPBA..............................................................................................................2−121
2.12.14.ScanJointPBA.........................................................................................................2−122
2.12.15.CCDMPBA.............................................................................................................2−123
2.12.16.WLEDIFPBA.........................................................................................................2−124
2.12.17.WLEDPBA.............................................................................................................2−124
2.13.DoubleCassetteFeeder(DCF)Unit..........................................................................................2−125
2.14.HighCapacityFeeder(HCF)Unit.............................................................................................2−131
2.15.HighCapacityFeederSideUnit(LargeCassetteTrayUnit)...........................................................2−137
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.Cleaningthescanglass.....................................................................................3−3
3.2.1.2.CleaningtheDSDFwhitebar_CIS.....................................................................3−4
3.2.1.3.Cleaningthepaperduststick.............................................................................3−5
3.2.2.Replacingthemaintenancepart........................................................................................3−7
3.2.2.1.Development(Deve)unit...................................................................................3−7
3.2.2.2.FuserUnit......................................................................................................3−9
3.2.2.3.PaperTransferBelt........................................................................................3−10
3.2.2.4.Pick-Up_Separation_Forwardroller..................................................................3−11
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