Lexmark X642e manual Problem, Action

Problem	Action
Toner fog or background	• Check the print cartridge to make sure it is installed correctly.
shading appears on the	• The Toner Darkness setting may be too dark. Change the Toner Darkness
page.	setting in the Quality menu.
	• Verify the environment is Class B.
	• Replace the charge rolls.
	• Replace the print cartridge.

Entire page is white. • Make sure the packaging material is removed from the print cartridge.

•Check the print cartridge to be sure it is installed correctly.

•The toner may be low. To utilize the remaining toner, remove the cartridge by gripping the handles with both hands. With the cartridge arrows pointing downward, firmly shake the print cartridge side-to-side and front-to-back

	several	to redistribute the toner. Reinstall the cartridge. Repeat this
	procedure multiple		until the print remains faded. When the print remains
	faded, replace the print cartridge.
Streaks appear on the	• The toner may be low. To utilize the remaining toner, remove the cartridge by
page.	gripping the handles with both hands. With the cartridge arrows pointing
	downward, firmly shake the print cartridge side-to-side and front-to-back
	several	to redistribute the toner. Reinstall the cartridge. Repeat this
	procedure multiple		until the print remains faded. When the print remains
	faded, replace the print cartridge.

•If using preprinted forms, make sure the ink can withstand temperatures of

230°C (446°F).

Printing is too dark.	•	Change the Toner Darkness setting in the Quality menu.
	• Change the Brightness setting in the Quality menu.
	•	Verify the environment is 16 to 32 degrees C (60 to 90o F).
	Note: Macintosh computer users should make sure the job lines per inch (lpi)
	setting is not set too high in the software application.

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