Lexmark C790 manual Toner fog or background shading appears on a page, Toner rubs off

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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