8-7 Confidential
8.5 DETAILED DESCRIPTION OF
MAINTENANCE-MODE FUNCTIONS
8.5.1 EEPROM Parameter Initialization (Function code 01, 91)
îš„ 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.
Function code
Data item
01 91
Maintenance-mode functions
User switches
Firmware switches
Remote activation code*
These will be
initialized.
Activity report*
Station ID data*
Outside line number*
Telephone function registration*
One-touch dialing
Speed dialing
Group dialing
All of these will be
initialized.
These will not
be
initialized.
EEPROM customizing code
(4-digit)
This will not
be initialized.
(Note that the first digit of the 4-digit code will be
initialized to "0." If the code is 1
001, for example, it
will be initialized to 0
001.)
*Not provided in the DCP315CN/310CN/120C/117C/115C/110C.
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 Section
8.5.18).
îš„ Operating Procedure
(1) MFC620CN/425CN/420CN/410CN/215C/210C and FAX2440C
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.
DCP315CN/310CN/120C/117C/115C/110C
Enter 0 and 1 by using the
and Set keys.*
(*To enter a numerical code on models having no numerical keypad, press the key several times to
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.
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