Lexmark 5021-0XX manual Developer motor service check, See Developer, Motor removal, 4-32. Go

			5021-0XX
910—Developer motor service check
Step	Questions / actions	Yes	No
1	Are there any unusual	Replace toner	Go to step 4.
	noises heard around	cartridge
	developer motor or	(customer
	developer drive assembly	ordered supply).
	before error posts?	Go to step 2.
2	Does noise go away?	Problem solved.	Replace
			developer motor
			and developer
			drive assembly.
			See “Developer
			motor removal”
			on page 4-31
			and “Developer
			drive assembly
			removal” on
			page 4-32. Go
			to step 3.
3	Does noise go away?	Problem solved.	Go to step 4.
4	Turn printer off and remove	Go to step 5.	Properly connect
	right cover. See “Right		cable. Retest
	cover removal” on		printer. If error
	page 4-22. Is cable		clears, problem
	properly connected to		solved,
	developer motor?		otherwise go to
			step 5.

Diagnostic information 2-45