Lexmark 5021-0XX manual Mottle service check, Variation of optical density is found in image

5021-0XX

Mottle service check

Variation of optical density is found in image.

	Problem area	Action
1	Rear cover assembly	Rear cover assembly is not fixed in
		place.
		Open rear cover assembly and close
		properly.
2	Transfer roller	Transfer roller is not properly
		installed.
		Remove and reinstall transfer roller.
		See “Transfer roller removal” on
		page 4-8.
3	Paper	Replace deformed paper.
4	Toner cartridge	Replace defective toner cartridge.
5	HVPS	Replace faulty HVPS. See “High
		voltage power supply (HVPS)
		removal” on page 4-59.

2-112Service Manual