Samsung MultiXpress M4370 Series - Page 4

Contents
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.CleaningtheDSDFwhitebar(M5370LX_M4370LX)...........................................3−3
3.2.1.2.CleaningtheRADFwhitebarandPlatenglass(M5360RX)....................................3−4
3.2.2.Replacingthemaintenancepart........................................................................................3−5
3.2.2.1.FuserUnit......................................................................................................3−5
3.2.2.2.TransferRoller...............................................................................................3−6
3.2.2.3.Pick-Up_Reverse_Forwardroller.......................................................................3−7
3.2.2.4.MPpadandMPUnit.......................................................................................3−8
3.2.2.5.DSDFpickuprollerAssy(M5370LX_M4370LX)..............................................3−12
3.2.2.6.DSDFReverserollerAssy(M5370LX_M4370LX).............................................3−13
3.2.2.7.SCFPick-Up_Reverse_Forwardroller...............................................................3−14
3.2.2.8.HCFPick-Up_Reverse_Forwardroller..............................................................3−15
3.2.2.9.RADFpickuprollerAssy(M5360RX).............................................................3−16
3.2.2.10.RADFfrictionpadAssy(M5360RX)................................................................3−17
3.3.ReplacingthemainSVCpart.....................................................................................................3−18
3.3.1.LeftCover..................................................................................................................3−18
3.3.2.RearCover.................................................................................................................3−18
3.3.3.FrontCover................................................................................................................3−19
3.3.4.FuserDriveBoard(FDB)..............................................................................................3−20
3.3.5.HVPSboard...............................................................................................................3−21
3.3.6.SMPSboard...............................................................................................................3−22
3.3.7.MainBoard................................................................................................................3−23
3.3.8.HardDiskDrive(HDD)................................................................................................3−24
3.3.9.MainDriveUnit..........................................................................................................3−25
3.3.10.Fuser_ExitDriveUnit..................................................................................................3−26
3.3.11.SideUnit...................................................................................................................3−27
3.3.11.1.DuplexFan..................................................................................................3−29
3.3.11.2.DuplexClutch..............................................................................................3−29
3.3.11.3.CTDsensor..................................................................................................3−30
3.3.12.Scanner.....................................................................................................................3−31
3.3.13.ExitUnit....................................................................................................................3−33
3.3.13.1.ExitSensor1................................................................................................3−34
3.3.13.2.ExitSensor2................................................................................................3−34
3.3.14.LSU(LaserScanningUnit)...........................................................................................3−35
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