Brother DCP130C Service Manual page 223

(4) Move the head/carriage unit to the center of its travel with function code 63 (see
Section 9.4.13) using the following key operation.
Enter 6, 3, and * using the / and OK keys.
(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 block +1 is the least uneven print, for example, turn the head skew adjuster knob to the front
by one division; if block -1, turn it to the rear by one division.
Head skew adjuster knob
7-12
Chapter 9,
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