Lexmark 4090-001 manual Paper Feed Service Check

4090-001

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 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	With J5 disconnected and power on, check for
		+30 V dc between J5-1 and ground, and between
		J5-2 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.

Diagnostic Information 2-8