Lexmark X644e User Manual

The information in the following table may help you solve print quality problems. If these suggestions still do not correct the 
problem, call for service. You may have an MFP part that requires adjustment or replacement.

Print is too light. 

• 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 times to redistribute the 
toner. Reinstall the cartridge

. 

Repeat this procedure multiple times until the print 

remains faded. When the print remains faded, replace the print cartridge.

• Change the 

 setting in the Quality menu.

• Change the 

 setting in the Quality menu.

• Change the 

 setting in the Quality menu.

• If you are printing on an uneven print surface, change the Paper Weight and Paper 

Texture settings in the Paper menu.

• Verify the correct print media is being used.
• Verify you are using the correct MFP drivers.
• Verify the environment is 16 to 32 degrees C (60 to 90

o 

F).

Toner smears or print comes 
off the page.

• If you are printing on an uneven print surface, change the Paper Weight and Paper 

Texture settings in the Paper menu.

• Verify the print media is within the MFP specifications. See 

 for more details.

Toner appears on the back of 
the printed page.

Toner is on the transfer roll. To help prevent this, do not load print media that is smaller 
than the page size of the job to be printed.

Open and close the MFP top front cover to run the MFP setup cycle and clean the 
transfer roll.

Toner fog or background 
shading appears on the page.

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

 setting may be too dark. Change the 

 setting in 

the Quality menu.

• Verify the environment is Class B.
• Replace the charge rolls.
• Replace the print cartridge.