Samsung SF-76x series - Page 90

4.AlignmentandTroubleshooting
CheckandcauseSolution
Transferrolleriscontaminated.Replacethetransferroller.
11)Blankpage
Description:Thebackofthepageisstained.
CheckandcauseSolution
Thegroundcontactofthetonercartridgeisbad.Cleanthegroundterminalofthetonercartridge.Ifthe
problempersists,replacethetonercartridge.
LSUisdefective.ReplacetheLSU.
TheconnectionbetweenthemainboardandSMPS/HVPS
boardisbad.
Reconnecttheharness.IfthemainboardorSMPS/HVPS
boardisdefective,replaceit.
12)Partialimagevoid
Description:Thepartialvoidoccursintheprintedpage.
CheckandcauseSolution
Theprinterisnotinstalledonatground.Installtheprinteronatground.Print10samplepagesfor
test.
Thedevelopercirculationinthetonercartridgeisbad.
1)Shakethetonercartridge2~3timesfromrighttoleft.
Reinstallthetonercartridge.Print10samplepages
fortest.
2)Iftheproblempersists,replacethetonercartridge.
Thecontactbetweentonercartridgeandtransferrolleris
bad.
Checkifthetonercartridgeandtransferrollerareinstalled
properly.
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