Xerox 6120 manual Solving Problems with Printing Quality, Symptom, Cause, Solution

Symptom	Cause	Solution
Image is too light;	Laser lens is dirty.	Clean the laser lens.
there is low image	The media is moist	Remove the moist media and replace
density.
	from humidity.	with new, dry media.
	There is not much	Replace the toner cartridge.
	toner left in the
	cartridge.
	One or more of the	Remove the toner cartridges and
	toner cartridges may	check each for damage. If one or more
	be defective.	is damaged, replace it.
	Media type is set	When printing envelopes, labels,
	incorrectly.	postcards, thick stock, or
		transparencies, specify the appropriate
		media type in the printer driver.
Image is too dark.	One or more of the	Remove the toner cartridges and
	toner cartridges may	check each for damage. If one or more
	be defective.	is damaged, replace it.
	The imaging unit may	Remove the imaging unit and check for
	be defective.	damage. If it is damaged, replace it.
Image is blurred;	One or more of the	Remove the toner cartridges and
background is	toner cartridges may	check each for damage. If one or more
lightly stained;	be defective.	is damaged, replace it.
there is insufficient	The imaging unit may	Remove the imaging unit and check for
gloss of the printed	be defective.	damage. If it is damaged, replace it.
image.

The print or color	One or more of the	Remove the toner cartridges and
density is uneven.	toner cartridges may	check for damage. If it is damaged,
	be defective or low.	replace it.
	The imaging unit is	Remove the imaging unit and check for
	defective.	damage. If it is damaged, replace it.
	The printer is not level. Place the printer on a flat, hard, level
		surface.

122 Solving Problems with Printing Quality