Updating Of Firmware Using An External Memory (Function Code 28) - Brother DCP375CW Service Manual

9.4.8

Updating of Firmware Using an External Memory (Function code 28)

Function
This function updates firmware stored in the flash ROM on the main PCB using an external
memory (memory card or 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
Operating Procedure
(1) Switch your PC ON and insert an external memory.
(2) Create a folder named "BROTHER" in the top layer of the external memory's directory and
copy the firmware file having the extension .pjl into that folder.
NOTE: Before copying, check that the file name of the firmware matches with your
machine. Be sure to save only one firmware file having the extension .pjl in the
"BROTHER" folder. Otherwise, the firmware cannot be updated correctly.
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.
TIP: For how to obtain the firmware file, refer to
(3) Remove the external memory from the PC and insert it into the machine in the initial stage
of the maintenance mode.
NOTE: Do not insert more than one external memory at a time.
NOTE: One external memory should be exclusively used for one model. Do not use one
external memory for more than one model.
(4) On the machine, press the 2 and 8 keys in this order. For models without numerical keypad,
enter 2 and 8 in this order using the
The file name ********.pjl appears on the LCD. Check that ******** is identical with the
file name that has been copied into the external memory.
(5) Press the Black Start (Mono Start) key.
The "Receiving Data" appears on the LCD, and after a while, "Program Updating" appears.
NOTE: Pressing the Color Start key does not start updating.
NOTE: Never remove the external memory from the machine when the updating is in
progress.
(6) Updating will complete in a few minutes, and the machine automatically restarts and
returns to the standby state.
Remove the external memory from the machine and store it in a safe place.
NOTE 1: If any of the error messages listed below appears, press the Stop/Exit key, and the
machine returns to the initial stage of the maintenance mode.
Error Message
Card is used
Insert Card
No file
Card Error
NOTE 2: 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.
Appendix 2 "Firmware Installation."
, and OK keys.
The external memory is being used by another operation.
No external memory is inserted.
- No "BROTHER" folder in the external memory
- Invalid file name
- More than one file having the extension .pjl in the folder
External memory defective
9-22
Appendix 2 "Firmware Installation."
Cause
Confidential