Brother MFC-8510DN, Service Manual

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4-5
Confidential
(6) Enter the number (last digit) on the laser serial number label attached to the location
shown in the illustration below in the [SJxxxxxxVXXYYK] field.
Fig. 4-1
(7) Enter the number (from sixth last digit to second last digit, excluding the last digit) on the
laser serial number label in the [Scanner Video Clk] field.
(8) Click the [OK] button. The serial number and the adjusted value of the laser unit are
written to the machine.
1.5 Acquiring White Level Data
(1) Press the [5] button twice in the initial state of maintenance mode. "Press START" is
displayed on the LCD.
(2) Press the [Start] button. "SCANNER AREA SET" is displayed on the LCD. The
compensation value for the white level data/scanning width is stored in the EEPROM,
and the machine returns to the initial state of maintenance mode.
1.6 Adjusting Touch Panel (Touch Panel Models Only)
(1) Press the [6] and [1] buttons in this order in the initial state of maintenance mode. The
touch panel adjustment screen appears on the LCD.
(2) Use a touch panel stylus and touch the mark in the upper left corner of the screen. When
the touched mark has disappeared, touch the next mark.
Touching sequence: upper left, lower left, lower right, upper right and center
(3) When the center (5th mark) is touched, [OK] is displayed if the specified area was
adjusted correctly, and the machine returns to the initial state of maintenance mode.
(4) Turn OFF the power switch of the machine.
Laser serial number label
Laser unit
Laser plate