MFC-J4340DW(E)

FAQs & Troubleshooting

When I update the firmware, my machine's screen shows a vertical bar or its LEDs indicate an error.

When updating the firmware, my machine powers off. After that I turn on the machine and the machine's display or LED indication shows as below.

For models with LED indication

For models with a display

Follow the steps below to update your machine's firmware again.

You need to connect the machine with a USB cable to update the firmware.

Windows

If you have not previously used this machine with USB cable, install the driver from the supplied CD-ROM or download the Full Driver & Software Package and install it for USB connection.
> Click here to download the Full Driver & Software Package in the Downloads section.
Download the Firmware Update Tool and update the firmware with USB connection again.
> Click here to download the Firmware Update Tool in the Downloads section.

macOS

Download the Firmware Update Tool and update the firmware with USB connection again.

> Click here to download the Firmware Update Tool in the Downloads section.

If your question was not answered, have you checked other FAQs?

Have you checked the manuals?

Go to the Manuals section

If you need further assistance, please contact Brother customer service:

Go to the Contact Us section

Related Models

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