Lexmark 5021-0XX manual to output tray full

5021-0XX

Step	Questions / actions	Yes	No
6	Turn printer off. Check	Replace paper	Replace cable.
	cable for continuity that	exit assembly.
	connects DCN7 pins 7, 8,	See “Paper exit
	and 9 to output tray full	assembly
	sensor. Also check for	removal” on
	shorted pins. Is cable	page 4-49.
	okay?
7	Touch positive lead to	Replace I/O	Go to step 8.
	DCN13 pin 9 and pin 11 to	board. See “I/O
	ensure 5 VDC is being	board removal”
	supplied to I/O board. Is 5	on page 4-70.
	VDC present?
8	Check cable continuity	Replace LVPS.	Replace cable.
	between LVPS ACN1 and I/	See “Low
	O board DCN13. Also	voltage power
	check for shorted pins. Is	supply (LVPS)
	cable okay?	with cage
		removal” on
		page 4-60.

2-86Service Manual