Lexmark 2030 Color Jetprinter Service Manual - Page 16

Paper Feed Service Check, Be sure there is not too much paper in the sheet feeder.

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4091-001 Paper Feed Service Check If your machine does not have paper jam problems, continue with the service check. If your machine does have a paper jam problem, 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 1 System Board Action Unplug the printer and disconnect CN7 from the system board. Plug the printer in and check for a pulse of 24 V dc between CN7-1 and ground and CN7-2 and ground on 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 after replacing the motor, replace the system board. 2-6

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2-6
4091-001
Paper Feed Service Check
If your machine does not have paper jam problems, continue with
the service check. If your machine does have a paper jam problem,
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
Unplug the printer and disconnect CN7 from the
system board. Plug the printer in and check for a
pulse of 24 V dc between CN7-1 and ground and
CN7-2 and ground on 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
after replacing the motor, replace the system
board.