Brother MFC-J680DW Basic User's Manual page 56

Poor
5
The Touchscreen asks you to check the
print quality of each color. Press the
number of the pattern (1–4) that most
closely matches the printing result.
6
Do one of the following:
• If print head cleaning is needed,
press [Start] to start the cleaning
procedure.
• If print head cleaning is not needed,
the Maintenance screen reappears
on the LCD. Press
7
After the cleaning procedure is finished,
the Touchscreen asks if you want to
print the Print Quality Check Sheet
again. Press [Yes], and then press
[Start].
The machine prints the Print Quality
Check Sheet again. Check the quality of
the four color blocks on the sheet again.
If you clean the print head and the print has
not improved, try installing a new Genuine
Brother Brand replacement ink cartridge for
each problem color. Try cleaning the print
head again. If the print has not improved,
contact Brother Customer Service.
IMPORTANT
DO NOT touch the print head. Touching the
print head may cause permanent damage and
may void the print head's warranty.
.
Related Information
• Troubleshooting for Other Print Problems
When a print head nozzle is clogged, the
printed sample looks like this.
After the print head nozzle is cleaned, the
horizontal lines are gone.
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