Rewriting The Firmware (Main Firmware, Sub Firmware (Gdi Or Pcl/Ps)); Checking Firmware Version; Rewriting The Firmware Using Computer - Brother HL-3040CN Service Manual

1.1 Rewriting the Firmware
(Main Firmware, Sub Firmware (GDI or PCL/PS))
The following two methods are available for rewriting the firmware (Main firmware and Sub
firmware (GDI or PCL/PS)).
- Rewriting using a computer
- Rewriting using USB flash memory (USB host model only)
1.1.1

Checking firmware version

Check if the firmware written on the main PCB is the latest version or not. If it is the latest
version, there is no need to write the firmware. If it is not, make sure to write the firmware to
the main PCB in accordance with "1.1.2. Rewriting the firmware using computer" or
Rewriting the firmware using USB flash memory (HL-3070CW only)" in this
<How to check firmware version>
(1) Press the
"MAINTENANCE 25" and press the OK button. Then, the firmware version information is
displayed on the LCD.
1.1.2

Rewriting the firmware using computer

The following firmware files are needed to rewrite the firmware.
Sub firmware
Main firmware
LZXXXX: First six digits are a parts number of the firmware.
$: Alphabet representing the revision of the firmware.
Note:
- It is recommendable to rewrite 1) Sub firmware (GDI or PCL/PS) and 2) Main
firmware in this order.
- DO NOT unplug the power cord of the machine or your computer or disconnect the
USB cable while rewriting the program files.
<Procedures>
(1) Turn the power switch of the machine off. Then, turn it on while pressing the Go and
Cancel buttons at the same time. Check that "
(2) Double-click the "FILEDG32.EXE" to start. The following screen appears. Select the
"Brother Maintenance USB Printer."
or button in the initial state of the maintenance mode to display
HL-3040CN: GDI
HL-3070CW: PCL/PS
LZXXXX_$.upd
LZXXXX_$.upd
LZXXXX_$.upd
6-7
"1.1.3
chapter.
" appears on the LCD.
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