Samsung ProXpress M4030 Series - Page 162

4.Troubleshooting
11)Blankpage
Description:Novisibleimageanywhereontheoutput.
ProbableCauseSolution
Thecontactterminalofthetonercartridgeisbad.
1)Cleanthecontactterminalofthetonercartridge.
2)Replacethetonercartridge.
Thesurfaceoftransferrolleriscontaminatedorwornout.Replacethetransferroller.
TheLSUwindowiscontaminated.
1)CleantheLSUwindow.
2)ReplacetheLSU
TheconnectionbetweentheLSUandmainboardis
defective.
1)Disconnectandreconnecttheharness.
2)Replacetheharness.
TheconnectionbetweenthemainboardandHVPSboard
isbad.
Reconnecttheharness.IfthemainboardorHVPSboard
isdefective,replaceit.
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