Lexmark 250dn Print is too light or too dark, Transparency print quality is poor, Toner specks

Print quality problems

Symptom	Cause	Solution
Print is too light or too dark	• The Toner Darkness setting is too	• Select a different Toner Darkness†
	light or too dark.		setting from the printer driver before
	• Paper that does not meet the printer		sending the job to print.
	specifications is being used.	• Load paper from a new package.
	• The toner cartridge is low on toner.	• Avoid textured paper with rough
	• The toner cartridge is defective.		finishes.
		• Make sure the loaded paper is not
			damp.
		• Replace the toner cartridge.
Transparency print quality is poor	• Transparencies that do not meet the	•	Use only transparencies
(Print has inappropriate light or dark	printer specifications are being		recommended by the manufacturer.
	used.	• Set the Form Type setting to
spots, toner is smeared, or horizontal
	• The Form Type setting in the printer		transparency.
or vertical light bands appear.)
	driver is set to something other than
	transparency.
Toner specks	• The toner cartridge is defective.	• Replace the toner cartridge.
	• The fuser is worn or defective.	•	Replace the fuser*.
	• Toner is in the paper path.	•	Call for service.
Toner rubs off the paper easily	• The Paper Texture setting is wrong	• Change Paper Texture† from
when sheets are handled	for the type of print media being		Normal to Smooth or Rough.
	used.	• Change Media Type in Drivers to an
	• The Paper Weight setting is wrong		appropriate weight for the print
	for the type of print media being		media being used.
	used.	•	Replace the fuser*.

•The fuser is worn or defective.

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

Uneven print density The toner cartridge is defective. Replace the toner cartridge.

ABCDE

ABCDE

ABCDE

*To replace the fuser, call a service technician.

†This setting can be changed using the Local Printer Settings Utility.

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