Uninstall the ICA driver (macOS 10.13 - macOS 12).
-
Disconnect the USB cable between the Mac and your Brother machine.
-
Log on as an "Administrator".
-
Click Go from the Finder bar, Computer => Macintosh HD => Library => Image Capture => Devices.
-
Delete the Brother Scanner.
-
Empty the trash bin.
-
Reboot the Mac.