PT-P300BT FAQs & Troubleshooting PT-P300BT Not your product? Sort by Updated Date Popularity 2 Results 1. 06/11/2020 When I run iPrint&Label, "Unconnected Printer" is displayed on my Android™ device. 2. 14/07/2020 The printer stops printing, the power LED blinks in red, and my mobile device displays an error message. Apps for Mobile Devices FAQs & Troubleshooting