TJ-4520TN FAQs & Troubleshooting TJ-4520TN Not your product? Sort by Updated Date Popularity 2 Results 1. 09/11/2022 I cannot connect my machine to the wireless network. 2. 05/08/2021 Switch between the wired network and Wi-Fi® network / Bluetooth® connection More FAQs (English only) Connecting to a Computer FAQs & Troubleshooting