Service Checks; Black Printhead Error; Cyan Printhead Error; Magenta Printhead Error - Lexmark X925 7541-03 series Service Manual

Service checks

111.01 Black printhead error

Step Action and questions
1 Is the ribbon cable connecting CN4 on the printhead
controller board to the black LED head securely
connected?
2 Replace the ribbon cable. Does this fix the problem?
3 Replace the black LED printhead. Does this fix the
problem?

112.01 Cyan printhead error

Step Action and questions
1 Is the ribbon cable connecting CN2 on the printhead
controller board to the black LED head securely
connected?
2 Replace the ribbon cable. Does this fix the problem?
3 Replace the cyan LED printhead. Does this fix the
problem?

113.01 Magenta printhead error

Step Action and questions
1 Is the ribbon cable connecting CN3 on the printhead
controller board to the black LED head securely
connected?
2 Replace the ribbon cable. Does this fix the problem?
3 Replace the magenta LED printhead. Does this fix the
problem?

114.01 Yellow printhead error

Step Action and questions
1 Is the ribbon cable connecting CN1 on the printhead
controller board to the black LED head securely
connected?
2
Replace the ribbon cable. Does this fix the problem?
3 Replace the yellow LED printhead. Does this fix the
problem?
Yes No
Go to step 2 Properly connect
the ribbon cable
Problem fixed Go to step 3.
Problem fixed Replace the
printhead
controller board.
Yes No
Go to step 2 Properly connect
the ribbon cable
Problem fixed Go to step 3.
Problem fixed Replace the
printhead
controller board.
Yes No
Go to step 2 Properly connect
the ribbon cable
Problem fixed Go to step 3.
Problem fixed Replace the
printhead
controller board.
Yes No
Go to step 2 Properly connect
the ribbon cable
Problem fixed Go to step 3.
Problem fixed Replace the
printhead
controller board.
Diagnostic information
7541-03x
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