Eeprom Customizing (Function Code 74) - Brother MFC640CW Service Manual

8.4.18 EEPROM Customizing (Function code 74)

Customizing codes comes with the firmware data provided by Brother Industries.
Function
This function allows you to customize the EEPROM according to language, function settings, and
firmware switch settings.
NOTE: If you replace the main PCB, be sure to carry out this procedure.
Operating Procedure
(1) MFC820CW/640CW
Press the 7 and 4 keys in this order in the initial stage of the maintenance mode.
DCP340CW
Enter 7 and 4 in the initial stage of the maintenance mode by using
(*To enter a numerical code on models having no numerical keypad, press the
display the numerical code to be entered and then press the Set key. Repeat this operation for each
numerical code.)
The current customizing code (e.g., 0001 in the case of MFC820CW U.S.A. model) appears.
(2) Enter the desired customizing code (e.g., 0002 in the case of MFC820CW Canadian model).
MFC820CW/640CW
To enter letters "A" through "F," press the 1 through 6 keys while holding down the # key,
respectively.
DCP340CW
To enter letters "A" through "F," enter A through F by using the
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.
8 - 4 1
and Set keys.*
key several times to
and Set keys.*
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