Lexmark Optra Color 1200 Service Manual page 84

5050-001
No Image
Moist Paper
LED Head
High Voltage Unit 2
Printer Controller Board
Printhead Controller Board
Black Line
Photoconductor Drum
Fuser Detach Pawl
Fuser Roller Surface
Fuser Thermistor Surface
Fuser Thermostat Surface
LED Head
2-42
Service Manual
Be sure the printer is not in a damp
environment and the paper is not
curled or wavy due to moisture. If
necessary inform the customer
about correct storage.
Be sure the LED head cable is
securely connected to the head
controller board and LED head
assembly. If the problem remains,
replace the LED head.
Be sure all the connectors to the
high voltage unit 2 are securely
connected. If the problem remains,
replace the high voltage unit 2
(11G0313).
Be sure all connectors are securely
connected to the printer controller
board. If the problem remains,
replace the printer controller board
(11G0324).
If you still have the problem, replace
the printhead controller board
(11G0555).
Clean any dirt from the PC surface.
Replace it if it is scratched.
Remove any toner buildup. Replace
scratched parts.
Clean the LED printhead. Print a
sheet of blank document. Replace
the LED printhead if a black line
appears on the paper.