Margin Adjustment In Near-Edge Printing (Function Code 66); Margin Adjustment In Near-Edge Printing - Brother MFC4820C Service Manual

7.5.14 Margin Adjustment in Near-edge Printing (Function code 66)

Function
This function allows you to adjust the top, bottom, left and right margins for near-edge printing.
You print out a set of margin check patterns, measure the margins, and enter the correction values.
Operating Procedure
(1) Press the 6 key twice in the initial stage of the maintenance mode.
The "MEDIA SENSOR ADJ" appears on the LCD. (NOTE: The MEDIA SENSOR refers to
the paper width sensor.)
(2) Set A4-sized paper into the ASF.
(3) Press the 1 key.
The equipment displays the "PRINTING" on the LCD and prints out the margin check pattern
as shown on the next page.
Upon completion of printing, the equipment automatically returns to the initial stage of the
maintenance mode.
(4) Measure the top, bottom, left and right margins on the printout.
If all margins are within the range from 1.8 to 2.2 mm, no adjustment is required.
(Example) Top: 2.3 mm, Bottom: 1.7 mm, Left: 1.8 mm, Right: 2.3 mm
(5) If any of the margins is out of the specified range, press the 6 key twice again.
The "MEDIA SENSOR ADJ" appears again.
(6) Press the * key to make the equipment ready for data entry..
(7) Enter the measured value (in units of 0.1 mm) multiplied by 10. After each entry, press the
Menu/Set key.
(Example) Top: 23, Bottom: 17, Left: 18, Right: 23
In this example, press 2, 3, Menu/Set, 1, 7, Menu/Set, 1, 8, Menu/Set, 2, and 3 keys.
(8) Go back to step (1) and print out the margin check pattern again.
Upon completion of printing, the equipment automatically returns to the initial stage of the
maintenance mode.
(9) Measure the top, bottom, left and right margins on the printout.
If all margins are within the range from 1.8 to 2.2 mm, the adjustment is completed.
TIP: To reset the newly entered values to defaults, press the Fax Start key.
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