Samsung ML-451 Series - 4.2.4. Other Errors; Multi-Feeding Troubleshooting; No Power Troubleshooting

4.AlignmentandTroubleshooting
4.2.4.Othererrors
1)Multi-Feeding
Description:Multiplesheetsofpaperarefedatonce.
CheckandCauseSolution
Thepickupclutchdoesnotworknormally.Replacethepickupclutch.
ThePickup/Retard/Forwardrollerarecontaminatedor
wornout.
•Cleanthecontaminatedrollerwithsoftclothwith
IsopropylAlcohol.
•Iftherolleriswornout,replaceit.
2)Nopower
Description:Whensystempoweristurnedon,alllampsontheoperatorpaneldonotcomeon.
CheckandCauseSolution
SMPSboardisdefective.ReplacetheSMPSboard.
OPEharnessorOPEboardisdefective.
1)ChecktheOPEharnessconnection.
2)IftheOPEboardisdefective,replaceit.
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