Lexmark Optra Color 1200 Service Manual page 85

5050-001
Black Print
High Voltage Unit 1
Right Sub-frame
Photoconductor Drum Set
Missing Colors
Toner Cartridge Unit
High Voltage Unit 2
LED Printhead Unit
LED Printhead Controller Board
The printed paper has black print. Be
sure the high voltage unit 1 is prop-
erly connected. If you still have a
problem, replace the high voltage
unit 1 (11G0326).
If you still have the problem, replace
the right sub-frame contacts.
If you still have a problem after
replacing the right sub-frame, be
sure the PC drum has clean con-
tacts. If necessary, replace the PC
drum set.
Be sure the toner cartridge and the
PC drum unit are properly seated.
Be sure the contacts on the print unit
are clean. Be sure the print unit is
installed in the correct position. Run
a print test.
If the problem remains, switch the
print unit with another color and run
a test print. If the new color prints,
replace the failing toner cartridge.
If you still have the problem, check
the connector on the high voltage.
Replace the high voltage unit if you
still have the problem (11G0313).
Replace the printhead if you still
have the problem.
If you still have the problem, replace
the LED printhead controller board
(11G0555).
Diagnostic Information
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