Samsung SL–C1860FW

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4.AlignmentandTroubleshooting

3)Contaminationonbackofpage

•Description:Thebackofthepageiscontaminated.

CauseandCheckPointSolution

Dirtyregistrationroller,pressureroller,feedroller,etc.

Anydirtyrollersthroughthepathofthepaper.

Identifytherollerwhichmaycausetheproblemby

comparingtheperiodofthecontaminationonimageswith

thesizeofrollers.Cleananydirtfromtherollerorreplace

thedirtyroller.

Checkifthetransferrollerisdamagedorcontaminated.Replacethetransferrollerandtestagain.

Checkifpapertransferbeltisdamagedorcontaminated.ReplacetheITBunitandtestagain.

4)DarkorBlackimage

•Description:Theblackpageisprintedout.

CauseandCheckPointSolution

NochargingvoltageintheHVPS.ChecktheconnectingstatebetweentheMainPBAand

HVPS.Reconnecttheharness.

Poorcontactbetweentonercartridgeandsetcontacts.Cleanthecontactsasnecessary.Replaceanydeformed

ordamagedcontacts.

HVPSisdefective.ReplacetheHVPS.

Samsung SL–C1860FW - Page 121