QL-820NWB FAQs & Troubleshooting QL-820NWB Not your product? Sort by Updated Date Popularity 1 Results 1. 08/27/2019 P-touch Editor shows an error message "This application is incompatible with the AirPrint printer driver. Select the CUPS printer driver. Check the FAQ for details." (For OS X v10.8.x or greater). P-touch Editor (Mac) FAQs & Troubleshooting