TJ-4420TN FAQs & Troubleshooting TJ-4420TN Not your product? Sort by Updated Date Popularity 3 Results 1. 10/20/2023 How do I connect the printer and my mobile device via Bluetooth®? 2. 03/02/2021 How to set Bluetooth Local Name or PIN code using the BPM (Brother Printer Management Tool) (for Windows) 3. 01/29/2021 How to get Bluetooth MAC Address with the CommTool (for Windows) Connecting to a Mobile Device FAQs & Troubleshooting