Lexmark 4044-XXX, E310 Print Quality Service Check, Paper trees, wrinkles, stacks poorly or curls

4044-XXX

Paper "trees", wrinkles, stacks poorly or curls

FRU	Action
Models E310 & E312	This problem is most likely due to a
Transfer Roller	worn transfer roller. A worn transfer
	roller causes the printer to run hotter
	than required for the media being
	printed. Excessive heat can cause
	paper treeing problems, poor
	stacking or curl.

Print Quality Service Check

Blank page

FRU	Action
Models E310 & E312	Remove the toner cartridge and
Toner Cartridge	gently shake the assembly to evenly
	distribute the toner.
Printhead	Blank pages can be caused by a
Printhead Cable	defective printhead assembly, high
HVPS	voltage power supply or engine/
Engine/LVPS Board (Model E310)	LVPS board. Disconnect the
Engine Board (Model E312)	printhead cable from the HVPS and
	measure the signals on connectors
	CN3 and CN4. Go to the “High
	Voltage Power Supply (model E310)”
	on page 5-16in the connector
	locations chapter and check the
	voltage measurements. If the
	voltages are correct, check the
	printhead cable for continuity. If the
	cable measures continuity, replace
	the printhead. If the cable does not
	measure continuity, replace the
	cable. If the voltage measurements
	are not correct, replace the HVPS. If
	the problem still exists, replace the
	engine/LVPS board on the model
	E310 or the engine board on the
	model E312.

2-28Service Manual