Lexmark CX963
Notes:
Try one or more of the following:
Note: You can also change the setting on the printer control panel. Navigate to Settings > Paper > Tray Configuration > Paper Size/Type.
Remove the imaging kit, and then remove the black imaging unit.
Warning—Potential Damage: Do not expose the photoconductor drum to direct light. Extended exposure to light may cause print quality problems.
Warning—Potential Damage: Do not touch the photoconductor drums. Doing so may affect the quality of future print jobs.
Insert the black imaging unit, and then insert the imaging kit.
If the problem persists, then contact customer support.
Print Quality Issue: Vertical and horizontal white lines check
Do horizontal dark lines appear randomly in your prints? Check the paper settings from the Printing Preferences or Print dialog.