TJ-4420TN FAQs & Troubleshooting TJ-4420TN Not your product? Sort by Updated Date Popularity 4 Results 1. 12/06/2023 How to install the Mac driver via USB/ Wi-Fi®/ wired network 2. 09/02/2022 I cannot connect my machine to the wireless network. 3. 07/15/2021 Switch between the wired network and Wi-Fi® network/Bluetooth® connection 4. 03/02/2021 How do I reset Wi-Fi® setting? Connecting to a Computer FAQs & Troubleshooting