Samsung CLP-775ND Series - Page 3

Contents
2.2.5.4.HVPSsubboard...........................................................................................2−25
2.2.5.5.FuserDriveBoard.........................................................................................2−26
2.2.5.6.OPEBoard...................................................................................................2−27
2.2.5.7.Sensor.........................................................................................................2−28
2.2.6.SoftwareDescriptions..................................................................................................2−30
2.2.6.1.Overview.....................................................................................................2−30
2.2.6.2.Architecture.................................................................................................2−30
2.2.6.3.DataandControlFlow...................................................................................2−31
3.DisassemblyandReassembly..............................................................................................................3−1
3.1.Precautionswhenreplacingparts................................................................................................3−1
3.1.1.Precautionswhenassemblinganddisassembling...............................................................3−1
3.1.2.PreautionswhenhandlingPBA......................................................................................3−1
3.1.3.ReleasingPlasticLatches..............................................................................................3−2
3.2.Screwsusedintheprinter..........................................................................................................3−3
3.3.Replacingamaintenanceparts....................................................................................................3−6
3.3.1.FuserUnit..................................................................................................................3−6
3.3.2.Pick-Uproller.............................................................................................................3−7
3.3.3.RetardRoller..............................................................................................................3−8
3.3.4.DustCleaningKit........................................................................................................3−9
3.4.DisassemblyProcedure.............................................................................................................3−10
3.4.1.Cover........................................................................................................................3−10
3.4.2.FrontCover................................................................................................................3−13
3.4.3.OPEUnit...................................................................................................................3−14
3.4.4.MainPBA..................................................................................................................3−14
3.4.5.HVPSboard...............................................................................................................3−15
3.4.6.SMPSBoard...............................................................................................................3−15
3.4.7.HVPSSubBoard(ACBoard)........................................................................................3−16
3.4.8.FuserControlBoard.....................................................................................................3−17
3.4.9.LSU..........................................................................................................................3−18
3.4.10.ClutchPick-UpandClutch-Feed....................................................................................3−19
4.AlignmentandTroubleshooting...........................................................................................................4−1
4.1.AlignmentandAdjustments.......................................................................................................4−1
4.1.1.ControlPanel..............................................................................................................4−1
4.1.2.UnderstandingTheStatusLED......................................................................................4−2
4.1.3.JAMRemoval.............................................................................................................4−3
4.1.3.1.ClearingPaperJams......................................................................................4−3
4.1.4.Usefulmenuitemforservice.........................................................................................4−7
4.1.5.PeriodicDefectiveImage..............................................................................................4−8
4.1.6.Usefulmanagementtools..............................................................................................4−9
4.1.6.1.UsingSamsungEasyPrinterManager(Windowsonly)........................................4−9
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