Samsung SCX-4729FW - Page 3

Contents
2.2.5.2.OPEboard...................................................................................................2−23
2.2.5.3.WirelessLANboard(SCX—4729FWonly).......................................................2−24
2.2.5.4.Faxboard....................................................................................................2−24
2.2.5.5.JointPBA....................................................................................................2−25
2.2.5.6.SMPSBoard................................................................................................2−26
2.2.5.7.HVPSBoard................................................................................................2−28
2.2.5.8.ElectricalPartsLocation.................................................................................2−29
2.2.6.EngineF/WControlAlgorithm......................................................................................2−31
2.2.6.1.Feeding.......................................................................................................2−31
2.2.6.2.Transfer.......................................................................................................2−31
2.2.6.3.Fusing.........................................................................................................2−32
2.2.6.4.LSU............................................................................................................2−32
2.2.7.SoftwareDescriptions..................................................................................................2−33
2.2.7.1.Softwaresystemoverview..............................................................................2−33
2.2.7.2.Architecture.................................................................................................2−33
2.2.7.3.DataandControlFlow...................................................................................2−34
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.ReplacingtheMainSVCparts...................................................................................................3−4
3.3.1.Cover........................................................................................................................3−4
3.3.2.OPE..........................................................................................................................3−5
3.3.3.Scanner.....................................................................................................................3−6
3.3.4.ADF.........................................................................................................................3−7
3.3.5.ADFRoller................................................................................................................3−7
3.3.6.ADFMotor................................................................................................................3−8
3.3.7.ScanMotor................................................................................................................3−9
3.3.8.CISUnit....................................................................................................................3−10
3.3.9.MiddleCover.............................................................................................................3−11
3.3.10.FaxBoard..................................................................................................................3−12
3.3.11.Mainboard.................................................................................................................3−12
3.3.12.SMPSboard...............................................................................................................3−13
3.3.13.HVPSboard...............................................................................................................3−13
3.3.14.Bin-Fullsensor...........................................................................................................3−14
3.3.15.MainDriveUnit..........................................................................................................3−14
3.3.16.PickupandRegiClutch...............................................................................................3−15
3.3.17.PickupandForwardroller............................................................................................3−16
Copyright©1995-2012SAMSUNG.Allrightsreserved.ii