Toshiba multifunctional digital color systems e-STUDIO4540C - Manual (Page 216)

2 SETTING ITEMS (ADMIN)
214 IEEE 802.1X Authentication Setting
‰ Error messages
The following error messages may be displayed on the touch panel.
Message Cause
[802.1X] Auth Server/Switch couldn’t be contacted y The RADIUS server service is stopped.
y Configuration for the RADIUS server is not correct.
y The IEEE 802.1X switch has problem.
[802.1X] Authentication failed y The username or password that the user entered is not
correct.
y The certificates uploaded are wrong.
Certificate verification Failure y A CA certificate is not installed in the equipment.
y The installed CA certificate is not valid.
y The server certificate is invalid.