TJ-4420TN FAQs & Troubleshooting TJ-4420TN Not your product? Sort by Updated Date Popularity 3 Results 1. 12/06/2023 How to install the Mac driver via USB/ Wi-Fi®/ wired network 2. 08/02/2023 I don't know the Product Key Code for BarTender UltraLite Edition 2021 (BarTender Designer for Brother). 3. 02/19/2020 I cannot install the Windows driver. Installation FAQs & Troubleshooting