If You Replace The Main Pcb Assy - Brother DCP-9055CDN 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)
- Acquisition of white level data (Maintenance mode: code 55)
- Operational check of control panel button (Maintenance mode: code 13)
- Adjustment of Touch Panel (Maintenance mode: code 61)
- Operation check of LCD (Maintenance mode: code 12)
- Operational check of sensors (Maintenance mode: code 32)
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 ® XP/2000 or later)
Create a temporary folder on the C drive, for example.
(4) The maintenance tool (Mainte.zip)
Copy it into the temporary folder that has been created in the C drive. Extract the copied
file and execute "brmainte.exe" file by double-clicking it.
(5) The download utility (FILEDG32.EXE)
Copy it into the temporary folder that has been created in the C drive.
(6) The Brother maintenance USB printer driver (Maintenance_Driver.zip)
Copy it into the temporary 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.
$: Alphabet representing the revision of the firmware.
* upd: Used to rewrite the firmware via a computer.
djf: Used to rewrite the firmware using a USB flash memory.
(8) Installing the maintenance driver. (Refer to
LZXXXX_$.djf or LZXXXX_$.upd
LZXXXX_$.djf or LZXXXX_$.upd
APPENDIX
4-1
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3.)
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