Try the following procedures when communication errors or messages such as 'Communication with the Card Slot failed' or 'An error occurred while reconnecting ( drive letter, xxxCanon_memory , where xxx is the MAC Address)' appear on the computer. example
If the MP Navigator EX or the MP drivers are no longer required, or if they are not installed correctly, uninstall them. Reinstall the drivers if error messages occur or if the device does not operate correctly.