Lexmark Z51 Color Jetprinter, Service Manual

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Diagnostic Information
2-11
4098-001
Paper Feed Service Check
If your printer does not have paper jam problems, continue with the
service check. If your printer does have a paper jam problems,
examine it for the following before you begin the service check:
•
Check the entire paper path for obstructions.
•
Be sure there is not too much paper in the sheet feeder.
•
Be sure the correct type of paper is being used.
•
Check for static in the paper.
FRU Action
1 System Board With (J12) disconnected and power on, check for
+30 V dc between (J12-2) and ground at the
system board. If the voltage is not present, check
for motor pins shorted to the motor housing. If you
find a shorted pin, replace the motor. If you still
have a failure, replace the system board.