Brother MFC-4820C User Manual page 333

STEP B: Alignment Check
The LCD shows:
9
Check the 600 DPI and 1200 DPI test prints to see if number 5
most closely matches number 0. If the number 5 sample of both
the 600 DPI and 1200 DPI are the best matches, press
to finish STEP B.
—OR—
If another test print number is a better match for either 600 DPI
or 1200 DPI, press
10
For 600 DPI, press the number of
the test print that most closely
matches the number 0 sample (1-8).
11
For 1200 DPI, press the number of
the test print that most closely
matches the number 0 sample (1-8).
12
Repeat Steps 1 and 2 (in Print Quality Check) to print another
sample Print Quality Check Sheet and then check it.
13
Stop/Exit
Press
When an ink head nozzle is
clogged the printed sample
looks like this.
TROUBLESHOOTING AND ROUTINE MAINTENANCE 23 - 13
2
(NO) to select it.
.
IS STEP "B" OK?
1.YES 2.NO
600DPI ADJUST
SELECT BEST #
1200DPI ADJUST
SELECT BEST #
After the ink head nozzle is
cleaned, the horizontal lines
are gone.
1
(YES)