Brother DCP-J552DW Service Manual page 281

The machine displays "LEFT 1 :30" on the LCD.
(6) Adjust the 600 dpi left margin. Enter the measured margin value (in units of 0.1 mm) multiplied
by 10.
In the example on step (1) above, the measured margin value of the left margin is 2.8 mm, so
press the [2], [8] and [SET] or [OK] keys in that order.
The machine displays "RIGHT 1 :30" on the LCD.
(7) Next, adjust the 600 dpi right margin. Enter the measured margin value (in units of 0.1 mm)
multiplied by 10.
In the example on step (1) above, the measured margin value of the right margin is 3.1 mm, so
press the [3], [1] and [SET] or [OK] keys in that order.
The machine displays "LEFT2 :30" on the LCD.
(8) Next, adjust the 1,200 dpi left margin. Enter the measured margin value (in units of 0.1 mm)
multiplied by 10.
In the example on step (1) above, the measured margin value of the left margin is 2.9 mm, so
press the [2], [9] and [SET] or [OK] keys in that order.
The machine displays "RIGHT2 :30" on the LCD.
(9) Next, adjust the 1,200 dpi right margin. Enter the measured margin value (in units of 0.1 mm)
multiplied by 10.
In the example on step (1) above, the measured margin value of the left margin is 3.2 mm, so
press the [3], [2] and [SET] or [OK] keys in that order.
The machine displays "LEFT3 :30" on the LCD.
Note <Models not supporting disc printing> return to the initial stage of the maintenance mode. Go
to step (12).
(10) <Disc printing models> Adjust the left margin in 1,200 dpi for disc printing. Enter the
measured margin value (in units of 0.1 mm) multiplied by 10.
In the example on step (1) above, the measured margin value of the left margin is 3.0 mm, so
press the [3], [0] and [SET] or [OK] keys in that order.
The machine displays "RIGHT3 :30" on the LCD.
(11) Next, adjust the 1,200 dpi right margin for disc printing models. Enter the measured margin
value (in units of 0.1 mm) multiplied by 10.
In the example on step (1) above, the measured margin value of the right margin is 3.3 mm, so
press the [3], [3] and [SET] or [OK] keys in that order.
The machine returns to the initial stage of the maintenance mode.
(12) Print the margin check pattern again, using the procedure in step (3) "Printing the left, right, top
and bottom margin check pattern.
(13) Measure the top, left and right margins on the printed pattern.
If all the top, left and right margins are within the range from 2.9 to 3.1 mm, the adjustment is
completed.
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