Samsung SF-76x series - Page 3

Contents
2.2.5.3.Faxboard....................................................................................................2−25
2.2.5.4.SMPS/HVPSboard.......................................................................................2−26
2.2.5.5.ElectricalPartsLocation.................................................................................2−28
2.2.6.EngineF/WContolAlgorithm.......................................................................................2−30
2.2.6.1.Feeding.......................................................................................................2−30
2.2.6.2.Transfer.......................................................................................................2−30
2.2.6.3.Fusing.........................................................................................................2−31
2.2.6.4.LSU............................................................................................................2−31
2.2.7.SoftwareDescriptions..................................................................................................2−32
2.2.7.1.Softwaresystemoverview..............................................................................2−32
2.2.7.2.Architecture.................................................................................................2−32
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.ADFFrame................................................................................................................3−4
3.3.2.Stacker......................................................................................................................3−6
3.3.3.Whiteroller................................................................................................................3−6
3.3.4.OPEboard.................................................................................................................3−7
3.3.5.ADFroller.................................................................................................................3−8
3.3.6.CISunit.....................................................................................................................3−9
3.3.7.Mainboard.................................................................................................................3−9
3.3.8.Faxboard...................................................................................................................3−10
3.3.9.LeftCover..................................................................................................................3−10
3.3.10.Frontcover.................................................................................................................3−11
3.3.11.Middlecover..............................................................................................................3−12
3.3.12.Rearcover..................................................................................................................3−13
3.3.13.SMPS/HVPSboard......................................................................................................3−13
3.3.14.Fuserunit...................................................................................................................3−14
3.3.15.DriveUnit..................................................................................................................3−14
3.3.16.LSU..........................................................................................................................3−15
3.3.17.FeedSensorPBA........................................................................................................3−16
3.3.18.Pickuproller..............................................................................................................3−16
3.3.19.Motor........................................................................................................................3−17
3.3.20.Transferroller.............................................................................................................3−18
4.AlignmentandTroubleshooting...........................................................................................................4−1
4.1.AlignmentandAdjustments.......................................................................................................4−1
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