Sharp MX-B557P, User Manual, Page: 133 / 158

Action Yes No
Step 2
Fix slow printing problems. For more information, see
“Slow
printing” on page 135 .
Do vertical white lines appear on prints?
Contact your dealer . The problem is
solved.
Vertical dark bands
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
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 bands appear on prints?
Contact your dealer . The problem is
solved.
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 to
navigate through the settings.
Troubleshooting 133