Brother MFC-J3520 Service Manual page 306

For the paper feed roller alone adjustment
(1) Press the 5 and 8 keys in this order in the initial stage of the maintenance mode.
The "Select 58?" appears on the LCD.
(2) Press the Mono Start key.
The "1. ALL" appears on the LCD.
(3) Press the key three times.
The "1. PF_ONLY" appears on the LCD.
(4) Press the 1 key.
The "PF_ONLY NO. +0" appears on the LCD.
(5) On the pfadj1 pattern (see
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.
Press the X key to return the machine to the initial stage of the maintenance mode.
For corrugation feed adjustment
(1) Press the 5 and 8 keys in this order in the initial stage of the maintenance mode.
The "Select 58?" appears on the LCD.
(2) Press the Mono Start key.
The "1. ALL" appears on the LCD.
(3) Press the key four times.
The "1.COR_FEED(T2)" appears on the LCD.
(4) Press the 1 key.
The "COR_FEED NO. +0" appears on the LCD.
(5) On the pfadj2 pattern (see
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.
Press the X key to return the machine to the initial stage of the maintenance mode.
page 5-36), check the PF0 row of blocks. In the same
page 5-37), check the CORF row of blocks. In the same
5-35
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