Brother International HL 1850 Service Manual - Page 276

Appendix, Rewrite, 1850/1870n, Flash

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APPENDIX APPENDIX 22. HOW TO REWRITE HL-1850/1870N FLASH ROM Working contents 1) Rewrite a Main firmware. 2) Rewrite a Network firmware. 3) Rewrite a Patch Area of Main Mask ROM (=embedded Flash ROM). 4) Set up by country. Object parts LH8944001 MAIN PCB ASSY 1850/1870N Preparation tool 1) PC (Windows`] 95/98) 2) 1 HL-1850/1870N printer 3) 1 CDCC cable 4) ZLHEFWRT.EXE(software) Time required for rewriting work 1) Main firmware .. . app.7 min. 2) Network firmware .. . app. 2 min. NOTE; Working hours change according to the capability of PC to be used. Rewriting procedure 1) Prepare the Windows° 95 or 98. When rewriting work has been done before, be sure to delete all files which developed at that time. Create the folder "ZLhe" in C drive, and save the "ZLHEFWRT.EXE" in it. Run "ZLHEFWRT.EXE". The window which checks execution comes out, then click OK. A required file is developed in the folder "ZLhe". 2) Choose Start.. .>Program.. .>MS-DOS Since the DOS window is opened, move the BLF folder under the ZLhe folder by CD command. ( How to input the command ; CD CAZLhelPITIBLF + ENTER ) 3) Connect the CDCC cable to the printer, then turn the printer power switch ON. Wait until the printer LCD display turn green and "READY" message appears. 4) Input "fls-prg verXXX.ava" in DOS window, then press ENTER. ( XXX expresses a version. Check by the DIR command.) Data is sended by parallel cable, then rewriting starts. 5) After finishing rewriting, the system wil l be rebooted. Wait until "READY" message appears on the LCD display of printer. 6) Move to the "ZLhe" folder by CD command in DOS window. ( How to input the command ; CD CAZLhe + ENTER ) 7) Input "PIT2" in DOS window, then press ENTER. PIT2 (software tool)will be started. 8) Input "/CS1850" in PIT2 control window, then press ENTER. "CS1850 (SCRPTY.YY)" message appears in the model section of PIT2 control window. A-30

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APPENDIX
APPENDIX
22.
HOW
TO
REWRITE
HL
-1850/1870N
FLASH
ROM
Working
contents
1)
Rewrite
a
Main
firmware.
2)
Rewrite
a
Network
firmware.
3)
Rewrite
a
Patch
Area
of
Main
Mask
ROM
(=embedded
Flash
ROM).
4)
Set
up
by
country.
Object
parts
LH8944001
MAIN
PCB
ASSY
1850/1870N
Preparation
tool
1)
PC
(Windows`
]
95/98)
2)
1
HL
-1850/1870N
printer
3)
1
CDCC
cable
4)
ZLHEFWRT.EXE(software)
Time
required
for
rewriting
work
1)
Main
firmware
..
.
app.7
min.
2)
Network
firmware
..
.
app.
2
min.
NOTE;
Working
hours
change
according
to
the
capability
of
PC
to
be
used.
Rewriting
procedure
1)
Prepare
the
Windows
°
95
or
98.
When
rewriting
work
has
been
done
before,
be
sure
to
delete
al
l
fi
les
which
developed
at
that
time.
Create
the
folder
"ZLhe"
in
C
drive,
and
save
the
"ZLHEFWRT.EXE"
in
it.
Run
"ZLHEFWRT.EXE".
The
window
which
checks
execution
comes
out,
then
cl
ick
OK.
A
required
fi
le
is
developed
in
the
folder
"ZLhe".
2)
Choose
Start.
.
.>Program.
.
.>MS-DOS
Since
the
DOS
window
is
opened,
move
the
BLF
folder
under
the
ZLhe
folder
by
CD
command.
(
How
to
input
the
command
;
CD
CAZLhelPITIBLF
+
ENTER
)
3)
Connect
the
CDCC
cable
to
the
printer,
then
turn
the
printer
power
switch
ON.
Wait
unti
l
the
printer
LCD
display
turn
green
and
"READY"
message
appears.
4)
Input
"fls-prg
verXXX.ava"
in
DOS
window,
then
press
ENTER.
(
XXX
expresses
a
version.
Check
by
the
DIR
command.)
Data
is
sended
by
paral
lel
cable,
then
rewriting
starts.
5)
After
finishing
rewriting,
the
system
wi
l l
be
rebooted.
Wait
unti
l
"READY"
message
appears
on
the
LCD
display
of
printer.
6)
Move
to
the
"ZLhe"
folder
by
CD
command
in
DOS
window.
(
How
to
input
the
command
;
CD
CAZLhe
+
ENTER
)
7)
Input
"PIT2"
in
DOS
window,
then
press
ENTER.
PIT2
(software
tool)wi
ll
be
started.
8)
<for
HL
-1850>
Input
"/CS1850"
in
PIT2
control
window,
then
press
ENTER.
"CS1850
(SCRPTY.YY)"
message
appears
in
the
model
section
of
PIT2
control
window.
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