Samsung CLP-680 Series - Page 3

Contents
2.2.5.5.HVPSboard.................................................................................................2−28
2.2.5.6.ITBEEPROMPBA.......................................................................................2−29
2.2.5.7.HUBPBA...................................................................................................2−29
2.2.5.8.ElectricalPartsLocation.................................................................................2−30
2.2.6.EngineF/WControlAlgorithm......................................................................................2−32
2.2.6.1.Feeding.......................................................................................................2−32
2.2.6.2.Transfer.......................................................................................................2−32
2.2.6.3.Fusing.........................................................................................................2−33
2.2.6.4.LSU............................................................................................................2−33
2.2.7.SoftwareDescriptions..................................................................................................2−34
2.2.7.1.Softwaresystemoverview..............................................................................2−34
2.2.7.2.Architecture.................................................................................................2−34
2.2.7.3.DataandControlFlow...................................................................................2−35
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.Screwsusedintheprinter..........................................................................................................3−3
3.3.Replacingthemaintenanceparts.................................................................................................3−5
3.3.1.TonerCartridge...........................................................................................................3−5
3.3.2.WasteTonerContainer.................................................................................................3−6
3.3.3.ITBUnit....................................................................................................................3−7
3.3.4.FuserUnit..................................................................................................................3−9
3.3.5.Pickup_Forward_Reverseroller.....................................................................................3−9
3.4.ReplacingthemainSVCparts....................................................................................................3−10
3.4.1.LeftandRightcover....................................................................................................3−10
3.4.2.Topcover...................................................................................................................3−11
3.4.3.HVPSboard...............................................................................................................3−12
3.4.4.OuterTemperatureSensor.............................................................................................3−12
3.4.5.MainBoard................................................................................................................3−13
3.4.6.SMPSFan..................................................................................................................3−13
3.4.7.SMPSboard...............................................................................................................3−14
3.4.8.LSU..........................................................................................................................3−14
3.4.9.FuserFan...................................................................................................................3−15
3.4.10.MainDriveUnit..........................................................................................................3−15
3.4.11.DRIVE-T1.................................................................................................................3−16
3.4.12.FuserDriveUnit.........................................................................................................3−16
3.4.13.PH(PaperHandling)DriveUnit.....................................................................................3−17
3.4.14.ExitUnit....................................................................................................................3−18
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