Lexmark C790 Printer User Manual


 
SELECT ANOTHER TRAY OR FEEDER
From the printer control panel Paper Menu, select Default Source.
For Windows users, select the paper source from Print Properties.
For Macintosh users, select the paper source from the Print dialog and pop-up menus.
MAKE SURE THERE IS NO WORN, DEFECTIVE, OR EMPTY PRINT CARTRIDGE
Replace the worn, defective, or empty print cartridge.
Toner fog or background shading appears on a page
Try one or more of the following:
MAKE SURE PRINT CARTRIDGES ARE INSTALLED CORRECTLY AND ARE NOT DEFECTIVE
Reinstall or replace the print cartridge.
MAKE SURE THE TRANSFER BELT IS NOT WORN OR DEFECTIVE
Replace the transfer belt. For more information, see the instruction sheet that came with the replacement part.
MAKE SURE THE FUSER IS NOT WORN OR DEFECTIVE
Replace the fuser. For more information, see the instruction sheet that came with the replacement part.
MAKE SURE THERE IS NO TONER IN THE PAPER PATH
Clean any visible toner from the paper path. If the problem persists, then contact customer support.
RECALIBRATE THE PRINTER
Perform color adjust from the printer control panel Quality menu.
CHECK THE SOFTWARE PROGRAM OR APPLICATION
The software program or application may have specified an off-white background.
Toner rubs off
Try one or more of the following:
Troubleshooting
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