Lexmark 5021-0XX manual 921,922,923,924,925-Fuser assembly service check

5021-0XX

921,922,923,924,925—Fuser assembly service check

Step	Questions / actions	Yes	No
1	Check for proper input line	Go to step 2.	Provide proper
	voltage. Is line voltage		line voltage.
	correct?
2	Remove and reinstall fuser	Problem solved.	Go to step 3.
	assembly. See “Fuser
	assembly removal” on
	page 4-9. Does error
	clear?
3	Check fuser connector for	Problem solved.	Go to step 4.
	damage. Replace if
	necessary. Does error
	clear?
4	Turn printer off and check	Go to step 5.	Properly connect
	cable that connects engine		cable or replace
	controller board connector		if damaged. If
	FUCN to fuser for proper		error clears,
	connection, continuity, and		problem solved,
	pin shorts. Is cable okay?		otherwise go to
			step 5.
5	Replace fuser assembly.	Problem solved.	Replace LVPS.
	See “Fuser assembly		See “Low
	removal” on page 4-9.		voltage power
	Does error clear?		supply (LVPS)
			with cage
	Note: Fuser is a customer		removal” on
	ordered supply.		page 4-60. If
			error does not
			clear, replace
			engine controller
			board. See
			“Engine
			controller
			board removal”
			on page 4-55.

Diagnostic information 2-61