Brother DCP130C Service Manual page 231

(6) To adjust the left margin, enter the measured value (in units of 0.1 mm) multiplied by 10.
In this example, the left margin measured in step (3) is 1.3 mm, so enter 1 and 3 using the /
and OK keys. Then press the OK key again.
(7) The "RIGHT: 10" appears on the LCD.
To adjust the right margin, enter the measured value (in units of 0.1 mm) multiplied by 10.
In this example, the right margin measured in step (3) is 1.4 mm, so enter 1 and 4 using the /
and OK keys. Then press the OK key again.
(8) Upon completion of the entry, the machine automatically returns to the initial stage of the
maintenance mode.
Go back to step (2) and print out the margin check pattern again.
(9) Measure the left and right margins on the printout.
If both margins are within the range from 0.9 to 1.1 mm, the adjustment is completed.
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