Lexmark 1020 manual Envelope Feed Service Check, Perform the EOF and Home Position Sensors

4078-00X

	FRU	Action
6	Home Position	Perform the “EOF and Home Position Sensors
	Sensor	Test” on page 3-2, to check the Home Position
		Sensor. If you cannot enter the test, replace the
		system board. If the test fails, turn the printer off
		and disconnect CN5 from the system board. Turn
		the printer on and check for 5 V dc between CN5-1
		and ground, at the system board. If the voltage is
		present, replace the home position sensor. If the
		voltage is not present, replace the system board.
7	Maintenance	A problem with the maintenance station can cause
	Station	carrier movement problems at the right margin. Go
		to the “Maintenance Station Service Check” on
		page 2-8.
Envelope Feed Service Check

	FRU	Action
1	Envelope Guide	Be sure the envelope guide has been turned to
		the envelope load position.
		Be sure the envelope guide is against the
		envelopes.
		Perform the “Paper Feed Service Check” on
		page 2-9.

Diagnostic Information 2-7