Lexmark W840 Connection Manual page 13

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 a printer part that requires adjustment or replacement.
Problem
Print is too light.
ABC
DEF
Toner smears or print
comes off the page.
ABC
DEF
Toner appears on the back
of the printed page.
Toner fog or background
shading appears on the
page.
ABC
DEF
Entire page is white.
Action
• 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, shake the print
cartridge back and forth. Reinstall the cartridge and then press
• Change the Toner Darkness 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.
• 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 printer specifications. See the User's Guide for more
details.
If the problem continues, turn the printer off and contact the place you bought your printer.
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 printer top front cover to run the printer setup cycle and clean the transfer
roll.
• Check the print cartridge to make sure it is installed correctly.
• Replace the print cartridge.
• Make sure the packaging material is removed from the print cartridge.
• Check the print cartridge to be sure it is installed correctly.
• 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, shake the print
cartridge back and forth. Reinstall the cartridge, and then press
Print quality and troubleshooting
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