Lexmark ExecJet II 4076, Руководство пользователя

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4076-0XX
14
Paper Feed Service Check
If your machine does not have paper jam problems, go on to the ser-
vice check. If your machine does have a paper jam problem, exam-
ine it for the following before you begin the service check.
•
Check the entire paper path for obstructions.
•
Make sure there is not too much paper in the ASF.
•
Make sure the correct type of paper is in the machine.
•
Check for static in the paper.
•
Make sure the rear of the carrier guide is on top of the paper
guide.
FRU OR PROCEDURE ACTION
1 System Board With J5 disconnected and power on,
check for +24 V dc between J5-3 and
ground, and between J5-4 and
ground on the system board. If the
voltage is not present, check for
motor pins shorted to the motor hous-
ing. If you find a shorted pin, replace
the motor. If you still have a failure
after replacing the motor, replace the
system board.