PT-H300 FAQs & Troubleshooting PT-H300 Not your product? Sort by Updated Date Popularity 3 Results 1. 05/28/2020 The printed label contains blank horizontal lines. 2. 12/22/2017 The top and base layers of the laminated tape are misaligned. 3. 04/07/2015 Why do stripes appear on my label? Printing FAQs & Troubleshooting