Lexmark 11C0200 Service Manual - Page 78

Lexmark 11C0200 - Optra SC 1275 Color Laser Printer Manual

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Foggy Background Possible Cause Action Poor development Replace the high voltage assembly (HV1). Replace the mechanical controller board (PWB-A). The following are customer replaceable parts at prescribed intervals: Replace the toner cartridge. Replace the PC drum cartridge. Blank Print Possible Cause Action Dirty or damaged PC drum contacts Transfer Roll Incorrect laser exposure Clean and reseat the PC drum contacts. Replace if necessary. Be sure the transfer roll is installed correctly. Replace the printhead. Replace the mechanical controller board (PWB-A). Gently rock the toner cartridge to distribute the toner evenly. If you still have the problem, replace the toner cartridge. This is a customer replaceable part at prescribed intervals. Poor development Diagnostic Information 2-43

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Diagnostic Information 2-43
Foggy Background
Blank Print
Possible Cause
Action
Poor development
Replace the high voltage assembly
(HV1).
Replace the mechanical controller
board (PWB-A).
The following are customer replace-
able parts at prescribed intervals:
Replace the toner cartridge.
Replace the PC drum cartridge.
Possible Cause
Action
Dirty or damaged PC drum con-
tacts
Clean and reseat the PC drum con-
tacts. Replace if necessary.
Transfer Roll
Be sure the transfer roll is installed
correctly.
Incorrect laser exposure
Replace the printhead.
Replace the mechanical controller
board (PWB-A).
Poor development
Gently rock the toner cartridge to
distribute the toner evenly. If you still
have the problem, replace the toner
cartridge. This is a customer
replaceable part at prescribed inter-
vals.