TJ-4121TN FAQs & Troubleshooting TJ-4121TN Not your product? Sort by Updated Date Popularity 3 Results 1. 13/12/2023 How to install the Mac driver via USB / Wi-Fi® / wired network 2. 09/11/2022 I cannot connect my machine to the wireless network. 3. 11/03/2021 How do I reset Wi-Fi® setting? More FAQs (English only) Connecting to a Computer FAQs & Troubleshooting