Samsung ProXpress M4075FR - Page 158

4.AlignmentandTroubleshooting
11)Blankpage
Description:Thebackofthepageisstained.
CheckandcauseSolution
Thegroundcontactoflasertonercartridgeorimagingunit
isbad.
Cleanthegroundterminaloflasertonercartridgeorimaging
unit.Iftheproblempersists,replaceit.
LSUisdefective.ReplacetheLSU.
TheconnectionbetweenthemainboardandHVPSboard
isbad.
Reconnecttheharness.IfthemainboardorHVPSboard
isdefective,replaceit.
12)Partialimagevoid
Description:Thepartialvoidoccursintheprintedpage.
CheckandcauseSolution
Theprinterisnotinstalledonatground.Installtheprinteronatground.Print10samplepagesfor
test.
Thedevelopercirculationinthelasertonercartridgeor
imagingunitisbad.
1)Shakethelasertonercartridgeorimagingunit2~3
timesfromrighttoleft.Reinstallit.Print10sample
pagesfortest.
2)Iftheproblempersists,replacethelasertoner
cartridgeorimagingunit.
Thecontactbetweenimagingunitandtransferrollerisbad.Checkiftheimagingunitandtransferrollerareinstalled
properly.
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