PT-P300BT FAQs & Troubleshooting PT-P300BT Not your product? Sort by Updated Date Popularity 2 Results 1. 11/06/2020 What do the indicator lights mean? 2. 07/14/2020 The printer stops printing, the power LED blinks in red, and my mobile device displays an error message. Error Messages/LED Indications FAQs & Troubleshooting