Lexmark 5021-0XX manual For 5 VDC from pin 9 to Replace faulty

5021-0XX

Step	Questions / actions	Yes	No
5	Reconnect DCN16 and	LVPS is	Replace LVPS.
	disconnect cable from	providing 5 VDC	See “Low
	DCN13. On cable, check	to I/O board.	voltage power
	for 5 VDC from pin 9 to	Replace faulty	supply (LVPS)
		I/O board. See	with cage
	ground (you can touch
		“I/O board	removal” on
	negative lead of voltmeter
		removal” on	page 4-60.
	to metal bracket that holds
		page 4-70.
	I/O board to obtain ground.)
	Is voltage present and
	correct?

2-66Service Manual