Lexmark Optra Color 1200 Service Manual page 83

5050-001
Possible Cause
High Voltage Unit 1
Transfer Belt Unit
Partial Darkness or Lightness
Possible Cause
Photoconductor Drum Unit
Transport Belt Waste Toner Bottle
Transport Belt Unit
Uneven Printing
Possible Cause
Photoconductor Drum
LED Head
Transfer Belt Unit
Periodic Dirt
Possible Cause
Fuser Heat Roll
Fuser Press Roll
Fuser Oil Roll
2-44
Service Manual
Action
If you still have the problem, replace
the high voltage unit 1 (11G0326).
If you still have the problem, replace
the transfer belt unit (11G0202).
Action
Check the PC drum for exposure to
strong light.
Check the underside of the transport
belt for toner buildup.
Action
Check for condensation or dirt on the
photoconductor drum.
Clean any dirt off the exposure sur-
face of the LED head.
Be sure the transfer belt is clean and
not damaged. Replace parts as nec-
essary.
Action
Check for dirt or damage to the fuser
heat roll.
Check for dirt or damage to the fuser
press roll.
Check for dirt or damage to the fuser
oil roll.