Lexmark 5021-0XX manual White print service check, Reinstall. See Transfer roller

5021-0XX

White print service check

Blank page (no print at all) is printed or a specific color is missing.

	Problem area		Action
		Solid white print
1	Optical Unit (Printhead)		Laser light path is blocked by paper or
			other material stuck at the opening of
			the optical unit. Ensure there are no
			foreign particles stuck at the opening
			of the optical unit.
2	Transfer roller		Transfer roller is not properly
			installed. Remove transfer roller and
			reinstall. See “Transfer roller
			removal” on page 4-8. Ensure
			transfer roller bias pole is touching
			spring contact on left side (as viewed
			from front of printer) of roller.
3	HVPS		Replace faulty HVPS. See “High
			voltage power supply (HVPS)
			removal” on page 4-59.
	One color missing
4	Toner cartridge		Replace faulty toner cartridge.
5	Toner retract system		Replace specific faulty toner retract
			system. See “Toner retract solenoid
			and cam removal” on page 4-64.

Diagnostic information 2-125