QL-720NW FAQs & Troubleshooting QL-720NW Not your product? Sort by Updated Date Popularity 3 Results 1. 10/18/2023 How do I connect the printer to my computer using a USB cable? 2. 10/18/2023 Printing is not possible. (USB connection) 3. 05/13/2020 Which interface cable can I use? Connecting to a Computer FAQs & Troubleshooting