Lexmark 5016-001 manual Low Image Density Service Check

5016-001

Low Image Density Service Check

Note: Media which is out of specification, or media containing a high moisture content may cause this problem.

	FRU	Action
1	Print Cartridges	Run the print quality tests pages and determine
		the failing print cartridges producing light print or
		low image density. The toner cartridge may also
		be low on toner.
		Replace any failing cartridges.
2	Intermediate	Be sure the ITM is installed correctly and the
	Transfer Unit	contacts on the ITM are contacting the grid block 1
	(ITM)	and 2 high voltage contacts.
		If no problem is found try a new ITM unit.
3	Transfer Roller	Note: The transfer roll is spring loaded against the
		inner cover so that it properly contacts the transfer
		belt in the ITM unit.
		Check the transfer roll for correct installation. Be
		sure the transfer roll rotates freely.
		Check the left and right side transfer roll springs
		and bushings for signs of binding or damage.
		Replace parts as necessary.
4	High Voltage	Check the high voltage contacts in grid block 1
	Contacts	and 2 to ensure they are clean, not bent, deformed
	Grid Block 1	or pitted.
	Grid Block 2	If incorrect, replace the failing grid block assembly.

Diagnostic Information 2-87