Lexmark 4200 Series manual Paper feed service check, Run the Power-On Self Test Post sequence

4413-XXX

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, 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	Run the “Power-On Self Test (POST) sequence”
		on page 2-1. Replace parts as needed. To check
		the paper feed motor, disconnect the paper feed
		connector CN7 and check for approximately 4
		ohms between pins 1 and 4. If the reading is
		incorrect, replace the paper feed motor assembly
		with gears. If the reading is correct, check
		connector CN7 pins 1,2,3,4 for approximately 30
		volts. If the voltage is incorrect, replace the system
		board Go to the “System board removal” on
		page 4-19.

Diagnostic information 2-11