Lexmark Optra Color 1200 Service Manual page 86

5050-001
High Voltage Unit 1
Transfer Belt Unit
Partial Darkness or Lightness
Photoconductor Drum Unit
Transport Belt Waste Toner Bottle
Transport Belt Unit
Uneven Printing
Photoconductor Drum
LED Head
Transfer Belt Unit
Periodic Dirt
Fuser Heat Roll
Fuser Press Roll
Fuser Oil Roll
2-44
Service Manual
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).
Check the PC drum for exposure to
strong light.
Check the underside of the transport
belt for toner buildup.
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.
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.