Brother DCP-6690CW, Service Manual, Page: 351 / 506

9-5 Confidential
9.4 DETAILED DESCRIPTION OF MAINTENANCE-MODE FUNCTIONS
9.4.1 EEPROM Parameter Initialization (Function code 01, 91)
„
Function
The machine initializes the parameters, user switches, firmware switches and assurance mode
switch settings registered in the EEPROM, to the initial values. Entering function code 01
initializes almost all of the EEPROM areas, but entering 91 does not initialize some areas, as
listed below.
* For MFC only
NOTE: If you replace the main PCB with the one used for any other machine, carry out this
procedure and then customize the EEPROM (function code 74 in Section 9.4.22 ).
„
Operating Procedure
(1) 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.
The "SELECT 01?" ("SELECT 91?") appears on the LCD.
(2) Press the Black Start ( Mono Start ) key.
The "PARAMETER INIT" appears on the LCD.
(3) Upon completion of parameter initialization, the machine returns to the initial stage of the
maintenance mode.
Function code
Maintenance-mode functions
User switches
Firmware switches
Remote activation code *
Assurance mode switch settings
Activity report *
Station ID data *
Outside line number *
Telephone function registration *
Speed dialing
Group dialing
Call transfer data
EEPROM customizing code
(4-digit)
All of these will be
initialized.
These will be
initialized.
These will not be
initialized.
This will not be initialized.
(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.)
Data item
01 91