Brother MFC-J450DW - Manual (Page 73)

Routine maintenance
59
A
g
The LCD asks you if the print quality is
OK.
Do one of the following:
 If all lines are clear and visible, press
1 (Yes) to finish the Print Quality
check and go to step k.
 If you can see missing short lines as
shown below, press 2 to choose No.
h
The LCD asks you if the print quality is
OK for black and then the three colors.
Press 1 (Yes) or 2 (No).
i
The LCD asks you if you want to start
cleaning.
Press 1 (Yes).
The machine starts cleaning the print
head.
j
After the cleaning procedure is finished,
press Color Start.
The machine prints the Print Quality
Check Sheet again. Return to step f.
k
Press Stop/Exit.
If you clean the print head at least five times
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 up to five more times. If
the print has not improved, call Brother
Customer Service. (See Brother numbers
on page i.)
IMPORTANT
DO NOT touch the print head. Touching
the print head may cause permanent
damage and may void the print head's
warranty.
NOTE
Checking the print alignment
A
You may need to adjust the print alignment
after transporting the machine if your printed
text becomes blurred or images become
faded.
a
Press Menu.
b
Press a or b to choose Ink.
Press OK.
c
Press a or b to choose Test Print.
Press OK.
d
Press a or b to choose Alignment.
Press OK.
OK Poor
i
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.