Brother MFC 1870MC, Service Manual, Page: 99 / 217

V – 4
3 DETAILED DESCRIPTION OF
MAINTENANCE-MODE FUNCTIONS
3.1 E
2
PROM Parameter Initialization
■
Function
The equipment initializes the parameters, user switches, and firmware switches registered in
the E
2
PROM, to the initial values. Entering the function code 01 initializes all of the
E
2
PROM areas, but entering 91 does not initialize some areas, as listed below.
01
Function code
Data item
91
Maintenance-mode functions
User switches
Firmware switches
Remote activation code
Activity report
Distinctive ringing patterns
registered (only for the
U.S.A. versions)
Station ID data
Outside line number
Telephone function registration
One-touch dialing
Speed dialing
These will be
initialized.
These will not
be initialized.
All of these will
be initialized.
■
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 maintenance mode.
The "PARAMETER INIT" will appear on the LCD.
(2) Upon completion of parameter initialization, the equipment returns to the initial mainte-
nance mode.