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1.3.8 Updating of Firmware Using a USB flash memory (Maintenance mode 28)
< Function >
This function updates firmware stored in the flash ROM on the main PCB using a USB
flash memory. It enables updating of firmware without connecting the machine to a PC.
TIP: For instructions on how to update firmware when the main PCB has been
replaced or for operations using a PC, refer to Chapter 4, Section 1.3 "Install the
firmware (Maintenance mode 28)."
< Operating Procedure >
(1) Switch your PC ON and insert a USB flash memory.
(2) Create a folder named "BROTHER" in the top layer of the USB flash memory's
directory and copy the firmware file having the extension ".djf" into that folder.
Note: Before copying, check that the firmware file name having the extension ".djf"
matches your machine. The number of files having the extension ".djf" in the
"BROTHER" folder should be 100 or less.
Tip: If a firmware file not matching the machine is used, the firmware cannot be　
updated, but note that you can superficially continue the operation until step
(5) below without any error.
(3) Remove the USB flash memory from the PC and insert it into the machine in the
initial stage of the maintenance mode.
(4) On the machine, press the 2 and 8 keys in this order.
The file name "********.DJF" appears on the LCD.
(5) Press the
â–² or â–¼ key to select the target firmware file.
(6) Press the Mono Start key.
"Receiving Data" appears on the LCD, and after a while, it changes to "Program
Updating."
Note: Never remove the USB flash memory from the machine when updating is in
progress.
(7) Updating will complete in a few minutes, and the machine automatically restarts
and returns to the standby state.
Remove the USB flash memory from the machine and store it in a safe place.
Note: If any of the error messages listed below appears, press the X key, and the
machine returns to the initial stage of the maintenance mode.
Note:
After the completion of firmware updating, a file named "mfu-send.log" (which
stores the execution log) is created in the layer right below the "BROTHER"
folder.
Error Message Cause
Card is used
The USB flash memory is being used by another
operation.
Insert Card
No USB flash memory is inserted.
No file
No file with the djf extension. / No "BROTHER" folder
exists.
Card Error
USB flash memory defective
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