PT-900 FAQs & Troubleshooting PT-900 Not your product? Sort by Updated Date Popularity 3 Results 1. 16/02/2015 I turned on the PT-900, but the display stays blank. 2. 24/10/2014 Why doesn't my machine turn on when On/Off key is pressed? 3. 22/10/2014 Why does the power turn off when I press the print key? More FAQs (English only) Machine FAQs & Troubleshooting