Brother MFC-9560CDW - Acquisition of White Level Data (Function Code 55)

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1.4.17 Acquisition of white level data (Function code 55)
<Function>
This function allows you to acquire the white level of the document scanner unit and save it to
the EEPROM of the main PCB.
The duplex scanning model obtains also white level data for the second side scanning CIS.
<Operating procedure>
(1) Press the 5 button twice in the initial state of the maintenance mode.
(2) The "Press START" will appear on the LCD. Press the Start/Black button.
The "SCANNER AREA SET" will appear on the LCD.
(3) After a few seconds, the machine saves the compensation of the white level data/
scanning width in the EEPROM, beeps for one second, and returns to the initial state of
the maintenance mode.