Lexmark C91x Service Manual page 60

5055-xxx
930 - Yellow 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 For serial number
XX–0XXXX: Is fuse 5 on
the printhead control board
open?
3 Did replacement of the
printhead controller board
correct the problem?
4 For serial number
XX–1XXXX and above:
Replace the LED printhead
for the affected color.
Did this resolve the
problem?
5 Did replacement of the
printhead controller board
resolve the problem?
2-10
Service Manual
930 Service
Printhead Error
Yes
If you have a
printer with serial
number
XX–0XXXX, go
to step 2.
If you have a
printer with serial
number
XX–1XXXX and
above, go to
step 4.
Replace the
printhead control
board, cables
(CL13, CL24),
and LED
printhead.
Problem solved.
Problem solved.
Problem solved.
No
Properly connect
the cables.
Replace the
printhead
controller board
and go to step 3.
Replace the
printer controller
board.
Replace the
printhead
controller board
and go to step 5.
Replace the
printer controller
board.