“Vertical dark lines or
streaks” on page 191
“Vertical dark streaks with
print missing” on
page 192
“Vertical light bands” on
page 192
“Vertical white lines” on
page 192
Printing problems
Print quality is poor
Blank or white pages
Contact your dealer.
Dark print
Note: Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to
Settings > Troubleshooting > Print Quality Test Pages. For non‑touch‑screen printer models, press
to
navigate through the settings.
Troubleshooting 178