Lexmark C790 manual Black or white streaks appear on transparencies or paper, Check The Paper Type

Black or white streaks appear on transparencies or paper

Try one or more of the following:

ENSURE THAT THE FILL PATTERN IS CORRECT

If the fill pattern is incorrect, choose a different fill pattern from your software program.

CHECK THE PAPER TYPE

•Use only the recommended transparencies.

•Ensure that the Paper Type setting matches what is loaded in the tray or feeder.

•Ensure that the Paper Texture setting is correct for the type of paper or specialty media loaded in the tray or feeder.

MAKE SURE THE PRINT CARTRIDGE IS NOT LOW ON TONER

When 88.xx [color] cartridge low appears, make sure the toner is distributed evenly within the print cartridge:

1Remove 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.

2Firmly shake the cartridge side-to-side and front-to-back several times to redistribute the toner.

3Reinsert the print cartridge.

If the problem continues, the printer may need to be serviced. For more information, contact Customer Support.

Streaked horizontal lines appear on prints

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Try one or more of the following:

Troubleshooting

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