Brother MFC620CN Service Manual page 235

(4) Move the head/carriage unit to the head replacement position (with Function code 63) using
the following key operation.
MFC620CN/425CN/420CN/410CN/215C/210C and FAX2440C
Press the 6, 3, and * keys in this order.
DCP315CN/310CN/120C/115C/117C/110C
Enter 6, 3, and * by using the
(*To enter a numerical code on models having no numerical keypad, press the
display the numerical code to be entered and then press the Set key. Repeat this operation for each
numerical code.)
For details, refer to
Initial Setup Mode."
(5) Turn the head skew adjuster knob by the number of divisions specified by the pattern number
you recorded in step (3), using a spanner.
If pattern +1 is the least uneven print, for example, turn the head skew adjuster knob to the
front by one division; if pattern -1, turn the lever to the rear by one division.
and Set keys.*
Chapter 8, Section 8.5.13 "Travel Check of the Head/Carriage Unit and
6 - 1 3
Head skew adjuster knob
key several times to
Confidential