Brother HL-J6100DW

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.

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 ▲ or ▼ key to select the target firmware file.
6. Press the Mono Start key. "Program Updating" appears on the LCD.
   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.

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