Lexmark 4076-0XX manual Simm Service Check, Transport Service Check, FRUU or PROCEDURE, Action

4076-0XX

Simm Service Check

	FRUU or PROCEDURE	Action
1	SIMM Card	Try the following:
		1.	Reseat the SIMM card.
		2.	Use Toolkit, on the setup diskette,
			to format the SIMM card.
		3.	Try a known good SIMM card. If
			the failure continues, replace the
			system board.
Transport Service Check

	FRU OR PROCEDURE	ACTION
1	Transport Motor	Check the motor for binds, or loose
		motor pulley.
		Disconnect the transport motor (J6)
		from the system board. Check for 8 to
		18 ohms between pins 1 and 2 on the
		motor cable. If the reading is incor-
		rect, replace the motor.
		Check for motor pins shorted to the
		motor housing. If you find a pin
		shorted to the housing, replace the
		motor. If the failure remains, replace
		the system board.
2	System Board	Turn the printer off and disconnect J6
		from the system board. Turn the
		printer on and check for a pulse of 3
		to 5 V dc between J6-1 and ground
		and between J6-2and ground on the
		system board as the machine goes
		through POST.
3	Transport Belt	Check for worn, loose or broken
	Carrier Guide or Guide Rod	parts. Clean the carrier guide rod. Do
	Idler Pulley Parts	not lubricate the rod or the carrier rod
	Cable Clip	bearings. Check for obstructions
		blocking carrier movement.
4	Encoder Strip	Check for wear and dirt.

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