Rewriting The Firmware (Sub Firmware, Main Firmware); Checking Firmware Version; Rewriting The Firmware Using Computer - Brother DCP-7055 Service Manual

1.1

Rewriting the firmware (Sub firmware, Main firmware)

The following two methods are available for rewriting the firmware (Sub firmware and Main firmware).
• Rewriting using a computer

1.1.1 Checking firmware version

Check if the firmware written on the main PCB ASSY 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 ASSY in accordance with "1.1.2 Rewriting the firmware using computer" in this chapter.
<How to check firmware version>
Press the 2 and 5 buttons in this order in the initial state of the maintenance mode. Then, the
firmware version information is displayed on the LCD.
Note:
• You can check the firmware version of the Sub firmware and the Main firmware on the
display of the software version (Function code 25). (Refer to
check (Function code 25)" in Chapter

1.1.2 Rewriting the firmware using computer

Note:
• It is recommendable to rewrite 1) Sub firmware 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. Turn on the power as pressing the 5 button (For
models without numeric keys; Press the Number of Copies button or Duplex button.).
Check that "
(2) Connect the computer to the machine with the USB cable.
(3) Double-click the "FILEDG32.EXE" to start. The following screen appears. Select the
"Brother Maintenance USB Printer."
(4) Drag and drop a program file that you want to rewrite (for instance, LZXXXX_$.upd) onto
the Brother Maintenance USB Printer icon in the screen shown above.
Note:
• After rewriting Sub firmware or Main firmware is completed, the machine returns to the
ready state. To continue rewriting the other program files, turn off the power switch of the
machine, and turn it on again as pressing the 5 buttons. Check that "
appears on the LCD and start rewriting.
(5) Upon completion of rewriting, the machine restarts and returns to the ready state automatically.
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5.)
4-2
"1.4.10 Software version
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