RJ-3050 FAQs & Troubleshooting RJ-3050 Not your product? Sort by Updated Date Popularity 2 Results 1. 11/10/2016 I cannot print in Windows 10 using Bluetooth even though my machine and computer are paired. 2. 21/01/2016 Wi-Fi lamp and Bluetooth are lit in blue but the printer cannot communicate with other devices via a wireless LAN. More FAQs (English only) Connecting to a Computer FAQs & Troubleshooting