Routine Maintenance; Clean The Scanner; Check The Print Quality - Brother MFC-J775DW Basic User's Manual

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Routine Maintenance

Clean the Scanner

1
Unplug the machine from the AC power
outlet.
2
Lift the document cover (1). Clean the
scanner glass (2) and the white plastic
(3) with a soft lint-free cloth moistened
with a non-flammable glass cleaner.
1
3
In the ADF unit, clean the white bar (1)
and the glass strip (2) with a lint-free
cloth moistened with a non-flammable
glass cleaner. (ADF models only)
1
2
Related Information
• Troubleshooting for Other Fax Problems on
page 44
• Troubleshooting for Other Print Problems
on page 48

Check the Print Quality

If faded or streaked colors and text appear or
if text is missing on your printouts, the print
head nozzles may be clogged. Print the Print
Quality Check Sheet and look at the nozzle
check pattern.
1
Press Settings.
3
2
Press a or b to select the following:
a. Select [Ink/Maintenance].
2
b. Select [Impr. PrintQuality].
c. Select [Impr. PrintQuality]
3
Press Color Start.
The machine prints the Print Quality
Check Sheet.
4
Check the quality of the four color
blocks on the sheet.
5
The LCD asks about the print quality. Do
one of the following:
• If all lines are clear and visible, press
• If lines are missing (see Poor,
Press OK.
Press OK.
again. Press OK.
c to select [No], and then press OK.
Press Stop/Exit to finish the Print
Quality check.
below), press d to select [Yes], and
then press OK.
OK
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