Brother MFC-3420C All in One Printer User Manual


 
TROUBLESHOOTING AND ROUTINE MAINTENANCE 13 - 13
STEP A: Colour block quality check
The LCD shows:
4
Check the quality of the four colour
blocks on the sheet. (Black/Cyan/Yellow/Magenta).
5
If all lines are clear and visible, press
1
(
Yes
) to go to STEP B.
OR
If you can see missing short lines as shown below, press
2
(
No
).
The LCD will ask you if the print
quality is OK for each colour.
6
Press
2
(
No
) for any colour with a
problem.
The LCD shows:
Press
1
(
Yes
). The machine will
start cleaning the colours.
7
After cleaning is finished, press
Mono Start
or
Colour Start
.
The machine will start printing the Print Quality Check Sheet
again and then return to STEP A.
8
If STEP A is OK, press
1
to proceed to STEP B.
OK Poor
Is Step "A" OK?
1.Yes 2.No
Black OK?
1.Yes 2.No
Start Cleaning?
1.Yes 2.No