PT-90 FAQs & Troubleshooting PT-90 Not your product? Sort by Updated Date Popularity 5 Results 1. 04/12/2017 How do I print multiple lines and how many lines can I print? 2. 21/06/2017 How do I change the size of characters? 3. 21/06/2017 How do I type an uppercase letter? 4. 21/06/2017 How do I change the length of the label? 5. 21/10/2009 How do I print vertically? More FAQs (English only) Printing FAQs & Troubleshooting