PT-E550W FAQs & Troubleshooting PT-E550W Not your product? Sort by Updated Date Popularity 4 Results 1. 23/12/2020 When I press the print key, the power turns off. 2. 02/06/2020 The display remains blank after the power is turned on. 3. 31/07/2018 Why doesn't my machine turn on when Power key is pressed? 4. 28/02/2018 Which brands of Ni-MH rechargeable batteries do you recommend? Machine FAQs & Troubleshooting