Access the authentication server and obtain the CA certificate.
Methods of obtaining certificates differ according to the operating system you are using.
Start your Web browser.
Enter "http://(printer's address)/" in the address bar of a Web browser.
Enter your user name and password, and then click [Login].
For details about the login user name and password, consult your administrator.
Click [Configuration].
[Site Certificate] in the "Security" area.
Click [Browse] on the "Site Certificate to Import" window, and then select the CA certificate you obtained.
Click [Import].
Click [OK].
Click [Logout].
Close the Web browser.