PT-1750 FAQs & Troubleshooting PT-1750 Not your product? Sort by Updated Date Popularity 2 Results 1. 06/01/2020 Why do I get an "ERR" message when I try to change my size? 2. 05/29/2020 What does the error message "CHR SIZE AUTO?" on the display mean? Error Messages/LED Indications FAQs & Troubleshooting