If You Replace The High-Voltage Power Supply Pcb Assy; Installing The Firmware; Checking Firmware Version; Continuous Adjustments Of Density And Registration Sensor - Brother DCP-L8400CDN Service Manual

5. IF YOU REPLACE THE HIGH-VOLTAGE
POWER SUPPLY PCB ASSY
■
What to do after replacement

- Installing the Firmware

- Continuous Adjustments of Density and Registration Sensor (Function code 73)
■
What you need to prepare
(1) USB flash memory
(2) A USB cable
(3) Create a temporary folder on the C drive of the computer (Windows
(4) Service setting tool (BrUsbsn.zip)
Copy it into the temporary folder that has been created in the C drive. Extract the copied
file and execute "BrUsbsn.exe" file by double-clicking it.
(5) Download utility (Filedg32.exe)
Copy it into the temporary folder that has been created in the C drive.
(6) Maintenance printer driver (Maintenance_driver.zip)
When the maintenance printer driver is not installed, copy this file into the temporary
folder created on the C drive, and extract the copied file. Refer to
INSTALLING THE MAINTENANCE PRINTER DRIVER"
(7) Firmware
Sub firmware
Panel firmware
Main firmware
High-voltage firmware
LZXXXX: First six digits of the part number of the firmware
$: Alphabet representing the revision of the firmware.
5.1 Installing the Firmware
5.1.1

Checking firmware version

Check whether the firmware installed on the machine is the latest version in accordance with
"1.1.1 Checking firmware version" in this
firmware is unnecessary. If the version is not the latest, install all the firmwares.
5.1.2 Installing the firmware
When each installed firmware is not the latest version, install the firmwares in accordance with
"1.1.2 Installing the firmware" in this
5.2 Continuous Adjustments of Density and Registration
Sensor (Function code 73)
Perform continuous adjustments of density and registration sensor in accordance with
Continuous adjustments of density and registration sensor (Function code 73)" in Chapter
LZXXXX_$.djf
LZXXXX_$.djf
LZXXXX_$.djf
LZXXXX_$.djf
chapter. If the version is the latest, installing the
chapter.
4-10
®
XP or higher).
"APPENDIX 3
to install the driver.
"1.3.29
5.
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