Brother HL-1870N - How to Rewrite Hl-1850;1870 N Flash Rom

APPENDIX
A-32
APPENDIX 22. HOW TO REWRITE HL-1850/1870N FLASH ROM
The ROM composition of each PCB is as follows.
Main PCB
ROM 0 (64 Mbit x 2) ROM 1 (8 Mbit x 2)
Production MASK FLASH
Spares FLASH FLASH
Working contents
1) Rewrite a Main firmware / Network firmware
2) Set up by country.
Object parts
LH8944001 MAIN PCB ASSY, HL1850/1870N
Preparation tool
1) PC (Windows

98)
Create the folder “ZLHE” in C drive.
2) 1 HL-1850/1870N printer
3) 1 parallel cable
4) FLS-PRG.EXE or FILEDG32.EXE *1
Download ”FLS-PRG.EXE” or “FILEDG32.EXE” from Utility DB, then copy it to “ZLHE”
folder in C drive.
5) PIT2LZSP.EXE
Create the folder “PIT2” in C drive. Download “PIT2LZSP.EXE” from Utility DB, then copy it
to “PIT2” folder in C drive. Extract the EXE file.
6) Firmware: verxxx.ava or verxxx.blf (Main firmware) *2
*1
File Type Software tool
AVA FLS-PRG.EXE
BLF FILEDG32.EXE
*2
Download and extract the firmware from ROM/Firmware DB, then copy it to folder “ZLHE” in C
drive.