Samsung CLX-8640ND - 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.Replacingthemaintenancepart....................................................................................................3−3
3.2.1.DrumUnit....................................................................................................................3−3
3.2.2.DeveloperUnit.............................................................................................................3−4
3.2.3.ITBUnit......................................................................................................................3−6
3.2.4.FuserUnit....................................................................................................................3−7
3.2.5.TransferRoller..............................................................................................................3−7
3.2.6.Pick-Up_Reverse_Forwardroller......................................................................................3−8
3.2.7.DADFPick-uprollerAssy..............................................................................................3−9
3.2.8.DADFReverserollerAssy............................................................................................3−10
3.2.9.MPRollers.................................................................................................................3−10
3.3.ReplacingthemainSVCpart.....................................................................................................3−15
3.3.1.LeftCover..................................................................................................................3−15
3.3.2.RearCover.................................................................................................................3−15
3.3.3.HVPS........................................................................................................................3−16
3.3.3.1.HVPSboard1...............................................................................................3−16
3.3.3.2.HVPSboard2...............................................................................................3−16
3.3.4.TemperatureSensor.....................................................................................................3−17
3.3.5.ITBWasteAugerDriveUnit.........................................................................................3−17
3.3.6.LSU..........................................................................................................................3−18
3.3.7.Mainboard.................................................................................................................3−19
3.3.8.SMPSboard...............................................................................................................3−19
3.3.9.MainDriveUnit..........................................................................................................3−20
3.3.10.SMPSshield...............................................................................................................3−20
3.3.11.CSTLiftDriveunit......................................................................................................3−21
3.3.12.FuserDriveBoard.......................................................................................................3−21
3.3.13.PaperSizeSensor........................................................................................................3−22
3.3.14.PH(PaperHandling)DriveUnit......................................................................................3−22
3.3.15.FuserDriveUnit.........................................................................................................3−23
3.3.16.TonerSupplyDriveUnit...............................................................................................3−24
3.3.17.SideUnit...................................................................................................................3−25
3.3.17.1.MPPickUpUnit...........................................................................................3−26
3.3.17.2.DuplexExitSensor........................................................................................3−29
3.3.17.3.DuplexMotor...............................................................................................3−30
3.3.17.4.DuplexFan..................................................................................................3−30
3.3.18.ExitUnit....................................................................................................................3−31
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