Samsung SCX-4705ND - Other Errors

4.AlignmentandTroubleshooting
4.2.4.Othererrors
1)Multi-feeding
•Description:Multiplesheetofpaperarefedatonce.
CheckandcauseSolution
PickclutchorRegiclutchdoesnotworkproperly.Replacethedefectiveclutchifnecessary.
Pickup/Forward/Retardrolleriswornoutorcontaminated.Cleanorreplacethedefectiveroller.
2)No-Power
•Description:Whensystempoweristurnedon,LEDandLCDontheoperatorpaneldonotcomeon.
CheckandcauseSolution
TheconnectionbetweenmainboardandOPEboardisbad.Reconnectorreplacetheharness.
HVPS/SMPSoutputisabnormal.ReplacetheHVPS/SMPSboard.
Copyright©1995-2012SAMSUNG.Allrightsreserved.4-48