Lexmark 4044-XXX, E310 manual Dead Machine Service Check

4044-XXX

FRU	Action
Model E312	Measure the voltages at CN2 of the
HVPS	HVPS. CN2-3 measures +5 V dc
	and CN2-4 measures +24 V dc. If
	the correct voltage is present, check
	the continuity between the following
	connector locations:
	CN2-3 - CN1-17
	CN2-3 - CN1-19
	CN2-4 - CN1-2
	CN2-4 - CN1-4
	If any location does not measure
	continuity, replace the HVPS.
Model E312	Replace the cable if it does not
HVPS to Engine Board Cable	measure continuity.
E312	Go to the “Engine Board (model
Engine Board	E312)” on page -9. Measure the
	voltages on CN11. If any voltages
	are incorrect, replace the engine
	board.

Dead Machine Service Check

Note: Check the AC line voltage. The voltage should be within the following limits:

100 V ac - 127 V ac for the low voltage model printer

200 V ac - 240 V ac for the high voltage model printer

FRU	Action
Model E310 & E312	Check the fuse on the LVPS for
LVPS Fuse	continuity. Replace with the
	appropriate fuse if blown. If a fuse
	blows again after being replaced,
	install a new fuse and go to “Engine/
	LVPS Board (model E310)” on
	page 5-4and check the engine/
	LVPS board output.

2-14Service Manual