Install a site certificate (root CA certificate) for verifying the reliability of the authentication server. You need to have at least a certificate issued by the certificate authority who signed the server certificate or a certificate from a higher certificate authority.
Only PEM (Base64-encoded X.509) site certificates can be imported.
Log in as the network administrator from Web Image Monitor.
Point to [Device Management], and then click [Configuration].
Click [Site Certificate] under "Security".
Click [Browse] for "Site Certificate to Import", and then select the CA certificate you obtained.
Click [Open].
Click [Import].
Check that the imported certificate's [Status] shows "Trustworthy".
If [Site Certificate Check] shows [Active], and the [Status] of the certificate shows [Untrustworthy], communication might not be possible.
Click [OK].
Log out.