Samsung ML-451 Series - 4.1.5. Periodic Defective Image Troubleshooting

4.AlignmentandTroubleshooting
4.1.5.Periodicdefectiveimage
Ifanimagedefectsappearsatregularintervalsontheprinted-paper,itisduetoafaultyordamagedroller.
Refertothetablebelowandchecktheconditionoftheappropriateroller.
4
5
3
2
1
RollerPeriod(mm)PhenomenonDefectivepart
1PressureRollerBackgroundFuser
2ChargingRoller44mmBlackSpotandlineandperiodicband
3MagneticRoller56.6mmWhitespot,Horizontalblackband
4OPCDrum94.2mmWhiteandBlackSpots
Imagingunit
5TransferRoller56.5mmGhost,Damagedimagebyabnormal
transfer
Transferroller
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