Gray Background On Prints; Incorrect Margins - Lexmark C790 Series User Manual

M
AKE SURE THE PRINT CARTRIDGE IS NOT LOW ON TONER
When 88.xx [color] cartridge low appears, make sure that toner is distributed evenly among all four
print cartridges or whichever color has the shadow images.
1
Remove the print cartridge.
Warning—Potential Damage: Be careful not to touch the photoconductor drum. Doing so may affect the print
quality of future print jobs.
2
Firmly shake the cartridge side-to-side and front-to-back several times to redistribute the toner.
3
Reinsert the print cartridge.
Note: If print quality does not improve, replace the print cartridge of the color that is giving a shadow.
If the problem continues, the printer may need to be serviced. For more information, contact customer support.

Gray background on prints

ABCDE
ABCDE
ABCDE
M
AKE SURE THERE IS NO WORN OR DEFECTIVE PRINT CARTRIDGE
Replace the worn or defective print cartridge.

Incorrect margins

These are possible solutions. Try one or more of the following:
C
HECK THE PAPER GUIDES
Move the guides in the tray to the correct positions for the paper size loaded.
Troubleshooting
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