Lexmark 120 Light print, Dark print, Poor transparency print quality, Toner specks, Abcde, Cause

Troubleshooting

Symptom	Cause	Solution
Light print	• The Toner Darkness setting is too	• Select a different Toner Darkness
	light.		setting from the printer driver before
	• The paper being used does not		sending the job to print.
	meet printer specifications.	• Load paper from a new package.
	• The toner cartridge is low.	• Avoid textured paper with rough
	• The toner cartridge is defective.		finishes.
		• Make sure paper loaded in the tray
			is not damp.
		• Replace the toner cartridge.
Dark print	• 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.
		• Replace the toner cartridge.
Poor transparency print quality	• The transparencies being used do	•	Use only transparencies
(Print has inappropriate light or dark	not meet printer specifications.		recommended by the printer
	• The Form Type setting in the printer		manufacturer (use care not to touch
spots, toner is smeared, or horizontal
	driver is set to a media other than		transparency surfaces with your
or vertical light bands appear.)
	transparency.		fingers).
		• Make sure the Form Type setting is
			set to 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.
	• The long-life photoconductor kit is	•	Replace the long-life
	exhausted.		photoconductor kit.
Toner rubs off paper easily when	• The Paper Texture setting is wrong	•	Change the Paper Texture† from
sheets are handled	for the type of paper or specialty		Normal to Smooth or Rough.
	media being used.	•	Change the Paper Weight† from
	• The Paper Weight setting is wrong		Plain to CardStock (or other
	for the type of paper or specialty		appropriate weight).
	media being used.	•	Replace the fuser*.

• The fuser is worn or defective.

Gray background	• The Toner Darkness setting is too	• Select a different Toner Darkness
	dark or too light.	setting from the printer driver before
	• The toner cartridge is defective.	sending the job to print.
ABCDE	• The long-life photoconductor kit is	• First, remove and reset the toner
	exhausted.	cartridge. If problem persists,
ABCDE		replace the toner cartridge.
		• Replace the long-life
		photoconductor kit.
ABCDE

*To replace the fuser, call a service technician.

†This setting can be changed using the Local Printer Setup Utility (Windows), or through Printer Settings (Macintosh). See Software and Documentation CD for additional information.

Print quality problems

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