MFC-J4340DW(E) FAQs & Troubleshooting MFC-J4340DW(E) Not your product? Sort by: Updated Date Popularity 3 Results 1. 28/07/2022 Update the Driver or Firmware for your Brother machine 2. 14/04/2022 I updated my Windows 11 PC through Windows Update and I can no longer Print, Scan or Fax from my PC. 3. 06/04/2021 When I update the firmware, my machine's screen shows vertical bar or its LEDs indicate an error. Driver / Software FAQs & Troubleshooting