Vertical Dark Lines Or Streaks; Vertical Dark Streaks With Print Missing; Repeating Defects - Sharp MX-B427W User Manual

Troubleshoot a problem

Vertical dark lines or streaks

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
navigate through the settings.
Action
a
Check if the printer is using a genuine and supported toner
cartridge.
Note: If the toner cartridge is not supported, then install a
supported one.
b
Print the document.
Do vertical dark lines or streaks appear on prints?

Vertical dark streaks with print missing

Contact your dealer.

Repeating defects

Contact your dealer.
Yes No
Contact your dealer. The problem is
solved.
171
to