Check The Print Alignment From Your Brother Machine - Brother HL-T4000DW Reference Manual

When a print head nozzle is clogged, the
printed sample looks like this.
After the print head nozzle is cleaned, the
lines are gone.
Check the Print
Alignment from Your
Brother Machine
If your printed text becomes blurred or images
become faded after transporting the machine,
adjust the print alignment.
Before adjusting the print alignment, make
a print quality check first by pressing
[Settings] > [Maintenance] >
[Improve Print Quality] > [Check
Print Quality].
1
Press [Settings] >
[Maintenance] > [Improve Print
Quality] > [Alignment].
2
Press [Next].
3
Press [Yes] after a confirmation
message if a print quality check has
been completed appears on the LCD.
4
Select the paper size to print the
alignment check sheet on.
5
Press [Basic alignment] or
[Advanced alignment].
6
Load specified size paper in the tray,
and then press [Start].
The machine prints the Alignment
Check Sheet.
(A)
7
For the (A) pattern, press a or b to
display the number of the test print with
the fewest visible vertical stripes (1-9),
and then press it (in the example above,
row number 6 is the best choice). Press
[OK].
Repeat this step for the rest of the
patterns.
When the print alignment is not adjusted
correctly, text looks blurry or crooked, like
this.
After the print alignment is adjusted
correctly, text looks like this.
8
Press .
11