Brother MFC640CW - Page 225

8-27 Confidential
The "EXIT ADJ NO. +0" appears on the LCD.
(12) Check the PF adjust check patterns ("B" on page 8-28) and select the one that is the least
uneven print. Make a note of that pattern number.
(13) Enter the number of the least uneven check pattern found in step (11).
The machine automatically returns to the initial stage of the maintenance mode.