Yellow Printhead Error; Magenta Printhead Error - Lexmark C920 Service Manual

930 - Yellow Printhead Error

930 Service
Printhead Error
Step Questions/actions
1 Check to ensure that the cables between the LED
printhead and the printhead controller board as well as
the cables between the printhead controller board and
the printer controller board are properly connected.
Are they properly connected?
2 Replace the LED printhead for the affected color.
Did this resolve the problem?
3 Did replacement of the printhead controller board
resolve the problem?

931 - Magenta Printhead Error

Step Questions/actions
1 Check to ensure that the cables between the LED
printhead and the printhead controller board as well as
the cables between the printhead controller board and
the printer controller board are properly connected. Are
they properly connected?
2 Replace the LED printhead for the affected color.
Did this resolve the problem?
3 Did replacement of the printhead controller board
resolve the problem?
Yes No
Go to step 2. Properly connect
the cables.
Problem solved. Replace the
printhead
controller board,
and go to step 3.
Problem solved. Replace the
printer controller
board.
Yes No
Go to step 2. Properly connect
the cables.
Problem solved. Replace the
printhead
controller board,
and go to step 3.
Problem solved. Replace the
printer controller
board.
Diagnostic information
5056-XXX
2-13