Brother MFC-L2712DN - Page 99

1.1
.2
Ins
ta
lli
ng
fir
mwa
re
<Operating Procedure>
(1)
If the comp
uter is co
nnecte
d to the machi
ne using t
he USB cabl
e, discon
nect the U
SB
cable to enter maintenance mode. (Refer to
“1.1
How to Enter Ma
intenance Mod
e” in
Chapter 5
)
When the supply PCB is replaced with a new one, the machine automatically
enters maintenance mode by turning it ON so the procedure below to enter the
maintenance mode is
not necessary.
(2)
Conne
ct the
machin
e to yo
ur com
puter u
sing th
e USB c
able.
(3)
Open the t
emporar
y folder an
d double-
click “F
ILEDG3
2.EXE” to st
art it, and s
elect
“Brother Maintenance USB Printer”.
(4)
Drag and d
rop the requ
ired pro
gram file (e
x: LZXXXX_
$.djf) in t
he same fo
lder onto t
he
Brother Maintenance USB Printer icon. The file is loaded to the machine, and installing
to the flash ROM starts.
(5)
When inst
alling is co
mpleted
, the machine re
start
s and returns to th
e ready stat
e
automatically.
(6)
Tur
n OFF the pow
er switch o
f the machi
ne, and the
n repeat th
e proced
ures (1) to (5
) to
install required firmwares. However, when the supply PCB is replaced
with a new one,
the machine automatically enters maintenance mode by turning it ON so the procedure
(1) to enter the maintenance mode is not necessary.
(7)
Tur
n OFF the
power s
witch o
f the mac
hine, an
d disco
nnect th
e USB cab
le.
1.2
Ini
tia
liz
ing
the
EEP
ROM
of t
he M
ain
PCB
ASS
Y
(Function code 01)
Initialize the EEPROM of the main PCB ASSY as described in
“1.3.1
Initialize
EEPROM
parameters (Function code 01, 91)” in Chapter 5
.
Note:
•
Ins
tal
l the Su
b fir
mwa
re
→
Main firmware in this
order.
•
DO NOT disc
onnect the AC cor
d or USB cable from the ma
chine or comp
uter durin
g
installing.
•
If the insta
ll is failed
, turn OFF the mach
ine and turn it bac
k on. The machin
e enters
the firmware installing mode automatically. Continue to the operating procedure
below
from the procedure (2).