Lexmark 812 manual Print too light, Print too dark, Gray background, Uneven print density

Symptom	Cause	Solution
Print too light	• The Toner Darkness setting	• Select a different Toner Darkness setting
	is too light.	from the printer driver before sending the
	• You are using paper that	job to print.
	does not meet the printer	• Use recommended paper and specialty
	specifications.	media. Refer to the Card Stock & Label
	• The print cartridge is low on	Guide available on Lexmark’s Web site
	toner.	at www.lexmark.com for detailed
	• The print cartridge is	specifications.
		• Load paper from a new package.
	defective or has been
	installed in more than one	• Avoid textured paper with rough finishes.
	printer.	• Make sure the paper you load in the
		trays is not damp.
		• Remove the print cartridge and shake it
		gently back and forth to use the
		remaining toner.
		• Replace the print cartridge. See
		Replacing the print cartridge.
Print too dark	• The Toner Darkness setting	• Select a different Toner Darkness setting
	is too dark.	from the printer driver before sending the
	• The print cartridge is	job to print.
	defective.	• Replace the print cartridge. See
		Replacing the print cartridge.

Gray background	•	The Toner Darkness setting	•	Select a different Toner Darkness setting
		is too dark.		from the printer driver before sending the
	•	The print cartridge is		job to print.
		defective.	•	Replace the print cartridge. See
				Replacing the print cartridge.

Uneven print density

The print cartridge is defective.

Replace the print cartridge. See Replacing the print cartridge.

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