Solving Print Quality Problems; Printer Is Printing Blank Pages - Lexmark C790 Series User Manual

Solving print quality problems

If the solutions here do not correct the problem, contact customer support. You may have a printer part that requires
adjustment or replacement.
Isolating print quality problems
Print the print quality test pages to help isolate print quality problems.
1
Turn the printer off.
2
Load letter- or A4-size paper in the tray or feeder.
3
Hold down and
4
Release the buttons when the screen with the progress bar appears.
The printer performs a power-on sequence, and then the Configuration menu appears.
5
Touch Print Quality Pages > Print Quality Pages.
The print quality test pages print.
6
Touch Back > Exit Config Menu.

Printer is printing blank pages

Try one or more of the following:
M
AKE SURE THERE IS NO PACKING MATERIAL LEFT ON THE PRINT CARTRIDGE
Remove the print cartridge and make sure the packing material is properly removed. Reinstall the print cartridge.
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 not printing.
while turning the printer on.
6
MNO
Troubleshooting
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