Lexmark 5021-0XX manual Toner empty sensor sender-TPD service check

5021-0XX

916—Toner empty sensor (sender-TPD) service check

Step	Questions / actions	Yes	No
1	Turn printer off and remove	Go to step 2.	Properly connect
	I/O board shield. See “I/O		cable. Retest
	board removal” on		printer. If error
	page 4-70for steps to		clears, problem
	remove I/O board shield. Is		solved,
	cable properly connected		otherwise go to
	to I/O board connector		step 2.
	DCN15?
2	Turn printer off and replace	Problem solved.	Go to step 3.
	I/O board. See “I/O board
	removal” on page 4-70.
	Retest printer. Does error
	clear?
3	Check cable that connects	Go to step 4.	Replace cable.
	engine controller board		Retest printer. If
	connector I1CN to I/O		error clears,
	board connector DCN1 for		problem solved,
	continuity and pin shorts. Is		otherwise go to
	cable okay?		step 4.
4	Turn printer off and replace	Problem solved.	Go to step 5.
	engine controller board.
	See “Engine controller
	board removal” on
	page 4-55. Retest printer.
	Does error clear?
5	Turn printer off and replace	Problem solved.	Call Lexmark
	toner empty sensor		support.
	(sender-TPD). See “Toner
	sensor (sender) removal”
	on page 4-35for steps.
	Retest printer. Does error
	clear?

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