Lexmark C772 User Manual

Print too light

• Paper settings may be 

incorrect.

• The Toner Darkness setting is 

too light.

• You are using paper that does 

not meet the printer 
specifications.

• The print cartridges are low on 

toner.

• The print cartridges are 

defective or have been installed 
in more than one printer.

• Make sure the printer paper type, paper texture, 

and paper weight settings match the type of 
paper you are using.

• Select a different Toner Darkness setting from the 

printer driver before sending the job to print.

• Perform a Color Adjust in the Utilities Menu.
• Load paper from a new package.
• Avoid textured paper with rough finishes.
• Make sure the paper you load in the trays is not 

damp.

• Shake the specified toner cartridge to utilize the 

remaining toner. For more information, see Print 
cartridges.

• Replace the print cartridges.

Print too dark

• The Toner Darkness setting is 

too dark.

• The print cartridges are 

defective.

• Select a different Toner Darkness setting from the 

printer driver before sending the job to print.

• Replace the print cartridges.

Transparency print 
quality is poor

(Print has inappropriate 
light or dark spots, toner 
is smeared, horizontal or 
vertical light bands 
appear, or color does not 
project.)

• You are using transparencies 

that do not meet the printer 
specifications.

• The Paper Type setting for the 

tray you are using is set to 
something other than 
transparency.

• Use only transparencies recommended by the 

printer’s manufacturer.

• Make sure the Paper Type setting is set to 

Transparency.

Toner specks

• The print cartridges are 

defective.

• The transfer roller is worn or 

defective.

• The image transfer unit is worn 

or defective.

• The fuser is worn or defective.
• Toner is in the paper path.

• Replace the print cartridges.
• Replace the transfer roller.
• Replace the image transfer unit.
• Replace the fuser.
• Call for service.

Toner rubs off the paper 
easily when you handle 
the sheets.

• The Type setting is wrong for 

the type of paper or specialty 
media you are using.

• The Texture setting is wrong for 

the type of paper or specialty 
media you are using.

• The Weight setting is wrong for 

the type of paper or specialty 
media you are using.

• The fuser is worn or defective.

• Change Paper Type to match the paper or 

specialty media you are using.

• Change Paper Texture from Normal to Smooth or 

Rough.

• Change Paper Weight from Plain to CardStock (or 

other appropriate weight).

• Replace the fuser.

Gray background

• The Toner Darkness setting is 

too dark.

• The print cartridges are 

defective.

• Select a different Toner Darkness setting from the 

printer driver before sending the job to print.

• Replace the print cartridges.

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