Routine Maintenance; Check The Print Quality - Brother HL-T4000DW Reference Manual

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Routine Maintenance

Check the Print Quality

If faded or streaked colours 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] >
[Maintenance] > [Improve Print
Quality] > [Check Print
Quality].
2
Press [Start].
The machine prints the Print Quality
Check Sheet.
3
Check the quality of the four colour
blocks on the sheet.
4
The touchscreen asks about the print
quality. Do one of the following:
• If all lines are clear and visible, press
[No], and then press
the Print Quality check.
• If lines are missing (see Poor, as
follows), press [Yes].
OK
5
The touchscreen asks you to check the
print quality of each colour. 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,
• If print head cleaning is not needed,
7
After the cleaning procedure is finished,
the touchscreen asks if you want to print
to finish
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 colour blocks on the sheet
again.
If you clean the print head at least five times
and the print has not improved, try cleaning
the print head again up to three more times. If
the print has not improved, contact Brother
customer service or your local Brother dealer.
IMPORTANT
DO NOT touch the print head. Touching the
print head may cause permanent damage and
may void the print head's warranty.
Poor
press [Start] to start the cleaning
procedure.
the Maintenance screen reappears
on the touchscreen. Press .
10