Detailed Description Of Maintenance-Mode Functions; Eeprom Parameter Initialization (Function Code 01, 91) - Brother MFC640CW Service Manual

8.4 DETAILED DESCRIPTION OF
MAINTENANCE-MODE FUNCTIONS

8.4.1 EEPROM Parameter Initialization (Function code 01, 91)

Function
The machine initializes the parameters, user switches, and firmware switches registered in the
EEPROM, to the initial values. Entering the function code 01 initializes almost all of the EEPROM
areas, but entering 91 does not initialize some areas, as listed below.
Data item
Maintenance-mode functions
User switches
Firmware switches
Remote activation code*
Activity report*
Station ID data*
Outside line number*
Telephone function registration*
One-touch dialing
Speed dialing
Group dialing
EEPROM customizing code
(4-digit)
NOTE: If you replace the main PCB with the one used for any other machine, carry out this
procedure and then customize the EEPROM (maintenance-mode function code 74 in
Operating Procedure
(1) MFC820CW/640CW
Press the 0 and 1 keys (or the 9 and 1 keys according to your need) in this order in the initial
stage of the maintenance mode.
DCP340CW
Enter 0 and 1 by using the
(*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 "PARAMETER INIT" will appear on the LCD.
(2) Upon completion of parameter initialization, the machine returns to the initial stage of the
maintenance mode.
Function code
(Note that the first digit of the 4-digit code will be
initialized to "0." If the code is 1001, for example, it
will be initialized to 0001.)
and Set keys.*
8- 5
01
All of these will be
initialized.
This will not be initialized.
*Not provided in the DCP340CW.
91
These will be
initialized.
These will not be
initialized.
Section 8.4.18).
key several times to
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