If You Replace The Main Pcb Assy - Brother HL-4140CN Service Manual

1.

IF YOU REPLACE THE MAIN PCB ASSY

■ What to do when replacing the main PCB ASSY
- Rewriting the firmware (Sub firmware, Main firmware)
- Initialization of EEPROM of main PCB ASSY (Maintenance mode: code 01)
- Setting by country (Maintenance mode: code 74)
- Setting the serial number
- Sensitivity adjustment of density sensor (Maintenance mode: code 72)
- Performing the developing bias voltage correction (Maintenance mode: code 83)
- Performing the adjustment of inter-color position alignment (Maintenance mode: code 66)
Note:
Since the counters are reset when the main PCB ASSY is replaced, the consumables and/
or periodical replacement parts might reach the end of the life before the message is
displayed.
■ What you need to prepare
(1) A USB cable
(2) A USB flash memory drive
(3) Computer (Windows
Create a "hl4000" folder on the C drive, for example.
(4) Service setting tool (brusbn.zip)
Copy it into the "hl4000" folder that has been created in the C drive. Extract the copied file
and execute "brusbsn.exe" file by double-clicking it.
(5) The download utility (FILEDG32.EXE)
Copy it into the "hl4000" folder that has been created in the C drive.
(6) The Brother maintenance USB printer driver (Maintenance_Driver.zip)
Copy it into the "hl4000" folder that has been created in the C drive. Extract the copied file.
(7) The firmware
Sub firmware
Main firmware
LZXXXX: First six digits are a parts number of the firmware.
$: Alphabet representing the revision of the firmware.
* upd: Used to rewrite the firmware via a computer.
djf: Used to rewrite the firmware using a USB flash memory.
(8) Installing the maintenance driver. (Refer to
®
XP/2000 or later)
LZXXXX_$.djf or LZXXXX_$.upd
LZXXXX_$.djf or LZXXXX_$.upd
4-1
*
*
APPENDIX 3.)
Confidential