CM300 FAQs & Troubleshooting CM300 Not your product? Sort by Updated Date Popularity 3 Results 1. 30/08/2024 List of Error Messages for CanvasWorkspace (Others) 2. 22/01/2020 “The entered text cannot be used.“ appears on the computer screen. 3. 11/03/2019 "Please register your machine." appears on the computer screen. More FAQs (English only) Error Messages FAQs & Troubleshooting