I tapped the app icon, but the screen didn't switch. November 25, 2020 05:56 Updated Your device may not be working properly. Please contact your device provider. Related articles How can the person in charge of contract or operation be changed? 【WebViewer】Let me know the URL for SMART CATALOG Web Browser edition. Opening specific content will forcibly terminate the application. Region doesn’t appear. The menu to specify the "Printing Range" does not appear, and I cannot specify it as "All".