Brother DCP-J552DW Service Manual page 268

For the paper feed roller diameter adjustment
(1) Press the [5] and [8] keys in this order in the initial stage of the maintenance mode.
The machine displays "Select 58?" on the LCD.
(2) Press the [Mono Start] key.
The machine displays "1.ALL" on the LCD.
(3) Press the [ ] key once.
The machine displays "1.PF 2.EXT" on the LCD.
(4) Press the [1] key.
The machine displays "PF1 NO. +0" on the LCD.
(5) On the pfadj1 pattern (refer to
step (4) of the adjustment of all paper feeding correction values, enter the number of the block
that is the least uneven print and then press the [Set] or [OK] key.
(6) In the same way, check the PF2 through PF6 rows of blocks. Enter the number of the block that
is the least uneven print and press the [Set] or [OK] key. The machine displays "1.PF 2.EXT"
on the LCD.
Press the [Stop] or the [X] key to return the machine to the initial stage of the maintenance
mode.
For the paper ejection roller diameter adjustment
(1) Press the [5] and [8] keys in this order in the initial stage of the maintenance mode.
The machine displays "Select 58?" on the LCD.
(2) Press the [Mono Start] key.
The machine displays "1.ALL" on the LCD.
(3) Press the [ ] key once.
The machine displays "1.PF 2.EXT" on the LCD.
(4) Press the [2] key.
The machine displays "EXT1 NO. +0" on the LCD.
(5) On pfadj1 through 3 patterns (refer to
way as in step (4) of the adjustment of all paper feeding correction values, enter the number of
the block that is the least uneven print and then press the [Set] key. The machine displays
"1.PF 2.EXT" on the LCD.
Press the [Stop] or the [X] key to return the machine to the initial stage of the maintenance
mode.
page 5-38), check the PF1 row of blocks. In the same way as in
page 5-38), check the EX rows of blocks. In the same
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