Lexmark E310, 4044-XXX manual XXX Black page, Diagnostic Information, Action

4044-XXX

Black page

Note: Incorrect laser exposure or incorrect charging of the photoconductor causes an all black page.

FRU	Action
Models E310 & E312	Check the contacts for
HVPS Contacts	contamination and correct
	installation. Replace as necessary.
Model E310	Make sure the HVPS to engine/
Engine/LVPS Board	LVPS cable is correctly installed.
HVPS Cable	Disconnect the cable and measure
HVPS	the signals on CN2 of the engine/
	LVPS board. Go to “Engine/LVPS
	Board (model E310)” on page 5-4
	and check the voltage
	measurements. If the voltages are
	not correct, replace the engine/LVPS
	board. If the voltages are correct,
	check the HVPS to engine/LVPS
	cable for continuity. If the cable does
	not measure continuity, replace the
	cable. If the cable measures
	continuity, replace the HVPS.
Model E312	Make sure the HVPS to engine
Engine Board	board cable is correctly installed.
HVPS Cable	Disconnect the cable and measure
HVPS	the signals on CN11 of the engine
	board. Go to the “Engine Board
	(model E312)” on page -9. Check
	the voltage measurements. If the
	voltages are not correct, replace the
	engine board. If the voltages are
	correct, check the HVPS to engine
	board cable for continuity. If the
	cable does not measure continuity,
	replace the cable. If the cable
	measures continuity, replace the
	HVPS.

Diagnostic Information 2-29