Samsung SF-76x series - Periodic Defective Image

4.AlignmentandTroubleshooting
4.1.5.PeriodicDefectiveImage
Ifanimagedefectsappearsatregularintervalsontheprinted-paper,itisduetoafaultyordamagedroller.Refertothetable
belowandchecktheconditionoftheappropriateroller.
RollerPeriod(mm)PhenomenonDefectivepart
1PressureRoller62.8mmBackground
2HeatRoller63.7mmBlackspotandimageghost
FuserUnit
3ChargingRoller26.7mmBlackSpotandlineandperiodicband
4OPCDrum62.9mmWhiteandBlackSpots
5DevelopingRoller33.7mmWhitespot,Horizontalblackband
6SupplyRoller78.2mmPeriodicBandbylittledifferenceofdensity
TonerCartridge
7TransferRoller39.3mmGhost,Damagedimagebyabnormal
transfer
Transferroller
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