Displaying a Warning Message If a Root Certificate Does Not Exist
You can set to display a warning message if a root certificate for the certificate of the connected Web server is not installed in the machine.
1.
Press 
(Settings/Registration).
(Settings/Registration).2.
Press [Function Settings] → [Web Access] → [Settings].
3.
Press [Security] → select [On] or [Off] for [Display Warning When No Root Certificate] → [OK].
