Lexmark 4036-304 manual Strange Sound Generated flatbed, Frequent paper jam, double feed or skew

4036-304

Strange Sound Generated (flatbed)

Cause	Relevant	Check	Action
	Unit
Motor unit	Motor unit	Visual check	Replace the
failure			carrier motor.
Main scanner	Main scanner	Replace the	Replace the
card failure	card	main scanner	main scanner
		card.	card.
Scanning	Scanning	Check if	Replace the
module	module	scanning	flatbed CCD
		module is	optical unit.
		loose.
Dirt on rail	None	Visual check	Clean the rail
			with isopropyl
			alcohol.
Frequent paper jam, double feed or skew

Cause	Relevant	Check	Action
	Unit
Paper setting	Operation	Is the paper	Teach users to
failure	error	correctly set	properly
		in the paper	position the
		chute?	paper.
Paper failure	Operation	Is the	None
	error	specified
		paper used?
ADF	ADF unit	Visual check	Connect the
connector		of motor	connector.
slip-off		rotation
Pad assembly	Pad assembly	Check the	Clean/replace
failure		pad assembly	the pad
		for wear and	assembly/touch
		tear.	spring unit
ADF unit	ADF unit	Replace the	Replace the
failure		ADF unit.	ADF unit.

2-14Service Manual