Vertical black lines appear on the printed page.
Cause Solution
The print cartridge is depleted or damaged. Replace the print cartridge.
The main input tray cover is not correctly installed. Make sure that the main input tray cover is correctly installed.
Rarely, the fuser is defective. Replace the fuser.
The printed page has a gray background.
Cause Solution
The main input tray cover is not correctly installed. Make sure that the main input tray cover is correctly installed.
The print density setting is too high. Open the Printer Properties dialog box, and then select the
Configure tab. Use the slide bar in the Print Density area of
the dialog box to change the print density setting. Click OK to
close the Printer Properties dialog box.
The media basis weight is too high. Change the media to a lower basis weight.
The print path needs to be cleaned. Clean the print path (see Cleaning the print path on page 26).
The printer is operating in humidity or temperature conditions
that are not within the recommended ranges.
Move the product to a different location.
The print cartridge is worn, damaged, or has been refilled. Replace the print cartridge.
Table 6-4 Solving print-quality problems (continued)
ENWW Print-quality troubleshooting 103