4.Troubleshooting
4.1.5.PeriodicDefectiveImage
Ifanimagedefectsappearsatregularintervalsontheprinted-paper,itisduetoafaultyordamagedroller.Refertothetable
belowandchecktheconditionoftheappropriateroller.
NoRollerDescription
BandPeriod
(mm)
PhenomenonDefectivepart
11stPressureroller62.8mmBackground
22ndPressureroller37.7mmBackground
3Heatroller77.8mmBlackspotandfuserghost
Fuserunit
4Chargeroller34.5mmBlackspot
5Developerroller37mmHorizontalband
6OPCdrum76mmWhiteandBlackspots
7Supplyroller69.57mmHorizontalband
LaserToner
cartridgeor
ImagingUnit
8Transferroller47.1mmGhost,DamagedimageTransferRoller
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