PT-1830 FAQs & Troubleshooting PT-1830 Not your product? Sort by Updated Date Popularity 5 Results 1. 26/06/2019 How do I change the size of characters? 2. 15/04/2019 How do I change the length of the label? 3. 26/02/2018 How do I print multiple lines and how many lines can I print? 4. 06/11/2014 How do I print vertically? 5. 14/12/2010 How do I change the character width? Printing FAQs & Troubleshooting