Diagnostic Information 2-97
5055-01X
Uneven Printing
Periodic Dirt
White Spots
Possible Cause Action
Photodeveloper Check for condensation or dirt on the
photodeveloper.
LED Printhead Clean any dirt off the exposed
surface of the LED printhead. Also
check the locating pins of the
printhead.
Transfer Belt Unit Be sure the transfer belt is clean and
not damaged. Replace parts as
necessary.
Top Cover Be sure the top cover is fully locked.
Possible Cause Action
• Oil Coating Fuser Roller Check for dirt or damage to the fuser
hot, the fuser press roll, or the fuser
oil roll OCR backup.
Photoconductor Drum Check for scratches on the surface
and replace if necessary.
Transfer Belt Unit Be sure the transfer belt is clean and
not damaged. Replace parts as
necessary.
Possible Cause Action
• LED Printhead
• Photodeveloper
• Toner Car tr idge
Firmly install the photodeveloper and
the toner cartridge into the printer.
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