Eeprom Customizing (Function Code 74) - Brother MFC-3340CN Service Manual

8.5.17 EEPROM Customizing (Function code 74)

n Function
This function allows you to customize the EEPROM according to language, function settings, and
firmware switch settings. Customizing codes come with the firmware data provided by Brother
Industries.
NOTE: If you replace the main PCB, be sure to carry out this procedure.
n Operating Procedure
(1) Press the 7 and 4 keys in this order in the initial stage of the maintenance mode.
The current customizing code (e.g., 0001 in the case of MFC3340CN U.S.A. model) appears.
(2) Enter the desired customizing code (e.g., 0002 in the case of MFC3340CN Canadian model).
To enter letters "A" through "F," press the 1 through 6 keys while holding down the # key,
respectively.
The newly entered code appears.
NOTE: If a wrong 4-digit code is entered, the machine will malfunction.
(3) Press the Black Start (Mono Start) key.
The machine saves the setting and returns to the initial stage of the maintenance mode.
If you press the Stop/Exit key or no keys are pressed for one minute in the above procedure, the
machine stops the procedure and returns to the initial stage of the maintenance mode.
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