Brother MFC-J2310 Service Manual

5-22
Confidential
1.3.10 Updating of Firmware Using an External Memory (Maintenance mode 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 Chapter 4, Section 1.3.
< 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 firmware file name having the extension ".pjl"
matches your machine. The number of files having the extension ".pjl" 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 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.
(4) On the machine, press the 2 and 8 keys in this order.
The file name "********.PJL" appears on the LCD.
(5) Press the or 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 external 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 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 key, and the machine
returns to the initial stage of the maintenance mode.
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.
Error Message Cause
Card is used The external memory is being used by another operation.
Insert Card No external memory is inserted.
No file Invalid file name or no "BROTHER" folder exists.
Card Error External memory defective

Brother MFC-J2310 Specifications

General

Brand	Brother
Model	MFC-J2310
Category	All in One Printer
Language	English