Samsung ProXpress M337x - Page 3

Contents
2.2.5.6.ADFandRADFSUBPBA.............................................................................2−35
2.2.5.7.SCFPBA-Optional......................................................................................2−35
2.2.5.8.CRUMPBA.................................................................................................2−36
2.2.5.9.FaxBoard....................................................................................................2−37
2.2.5.10.SMPSBoard................................................................................................2−38
2.2.5.11.HVPSboard.................................................................................................2−39
2.2.6.EngineFirmwareControlAlgorithm...............................................................................2−40
2.2.6.1.Feeding.......................................................................................................2−40
2.2.6.2.Transfer.......................................................................................................2−40
2.2.6.3.Fusing.........................................................................................................2−41
2.2.6.4.LSU............................................................................................................2−41
2.2.7.SoftwareDescriptions..................................................................................................2−42
2.2.7.1.Softwaresystemoverview..............................................................................2−42
2.2.7.2.Architecture.................................................................................................2−42
2.2.7.3.DataandControlFlow...................................................................................2−43
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.ReplacingtheMainSVCparts...................................................................................................3−5
3.3.1.LeftandRightCover....................................................................................................3−5
3.3.2.FrontCover................................................................................................................3−6
3.3.3.ADForRADFUnit.....................................................................................................3−7
3.3.4.OPEUnit...................................................................................................................3−8
3.3.5.PlatenUnit.................................................................................................................3−9
3.3.6.Top-MiddleCover.......................................................................................................3−10
3.3.7.FaxBoard..................................................................................................................3−11
3.3.8.MiddleandInnerCover................................................................................................3−12
3.3.9.MainBoard................................................................................................................3−13
3.3.10.HVPSboard...............................................................................................................3−13
3.3.11.SMPSBoard...............................................................................................................3−14
3.3.12.LaserScanningUnit(LSU)...........................................................................................3−14
3.3.13.FuserUnit..................................................................................................................3−15
3.3.14.MainDriveUnit..........................................................................................................3−16
3.3.15.FeedDriveUnit..........................................................................................................3−17
3.3.16.PickUp_Regi_MPClutch.............................................................................................3−17
3.3.17.Pick-UpRoller............................................................................................................3−18
3.3.18.TransferRoller............................................................................................................3−19
Copyright©1995-2013SAMSUNG.Allrightsreserved.ii