SATO CL4NX - Error Message 1046 (EAP Authentication Error (EAP Failure))

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Error Message 1046 (EAP Authentication Error (EAP Failure))
When there is an error with the printer, the error message appears on the screen.
Check the cause and countermeasure, and then take appropriate action.
To clear the error:
Change the Wi-Fi settings or press the button (OFFLINE).
Cause and Countermeasure
Cause
EAP Authentication failure.
Countermeasure
Use the correct Wi-Fi settings.
EAP Conf.
Contact your SATO technical support center if the error cannot be resolved.
Contact Information for When You Are in Trouble