“Vertical dark lines or
streaks” on page 171
“Vertical dark streaks with
print missing” on
page 171
“Vertical light bands” on
page 169
“Vertical white lines” on
page 169
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.
Action Yes No
Step 1
a Check if the printer is using a genuine and supported toner
cartridge.
Note: If the cartridge is not supported, then install a
supported one.
b Print the document.
Is the print dark?
Go to step 2. The problem is
solved.
Troubleshoot a problem 157
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