Lexmark 5021-0XX Print quality service checks, Background service check, Photodeveloper cartridge

5021-0XX

Print quality service checks

Background service check

Background is smeared due to toner spread.

	Problem area	Action
1	Toner cartridge	Too small charging amount in the
		development process.
2	Check developer high	Insufficient contact of developer
	voltage contact points.	roller's primary or secondary high
		voltage contact points. Ensure
		primary and secondary contact points
		are free from contamination and toner
		debris.
		Check toner cartridge developer roller
		bias pole. If contaminated, clean it. If
		damaged or deformed, replace toner
		cartridge.
3	Photodeveloper (OPC)	Photodeveloper cartridge has
	cartridge	reached life or is failing. Replace
		photodeveloper cartridge. See
		“Photodeveloper cartridge
		removal” on page 4-11.
		Note: Photodeveloper cartridge is a
		customer ordered supply.
4	High voltage power supply	HVPS has failed. Replace HVPS. See
	(HVPS)	“High voltage power supply
		(HVPS) removal” on page 4-59.

Diagnostic information 2-101