PT-1900 FAQs & Troubleshooting PT-1900 Not your product? Sort by Updated Date Popularity 2 Results 1. 05/29/2020 What does the error message "CHR SIZE AUTO?" on the display mean? 2. 08/03/2018 Why does my machine display "4LINE LIMIT!" or "5LINE LIMIT!" when I press the Return key? Error Messages/LED Indications FAQs & Troubleshooting