TJ-4420TN FAQs & Troubleshooting TJ-4420TN Not your product? Sort by Updated Date Popularity 3 Results 1. 06/12/2023 How to install the Mac driver via USB/ Wi-Fi®/ wired network 2. 18/10/2023 How to open the Devices and Printers window 3. 18/10/2023 How to identify your Operating System (OS) for Windows or Mac Operating System FAQs & Troubleshooting