Set the correct authentication information, Set the information necessary for authentication, The authentication server certificate has expired – Canon imageCLASS LBP674Cdw Wireless Color Laser Printer User Manual
Page 494: The authentication server certificate is incorrect
To Cancel Restriction, Change the [Restrict Functions] Setting of Your Department ID.
Log in to Remote UI in System Manager Mode [Settings/Registration] [User Management]
[Department ID Management] select the Department ID to edit clear the [Restrict Color Print] and
[Restrict Black & White Print] checkboxes [OK]
On the operation panel, select [Menu] in the [Home] screen, and then select [Management Settings] to
change the setting. [Department ID Management](P. 371)
Problems resulting from the use of non-Canon cartridges are not covered
under the warranty. The amount remaining in the cartridge cannot be
displayed correctly.
The remaining amount of toner is not correctly displayed due to the use of a toner cartridge whose print quality
cannot be guaranteed.
Replace with a New Toner Cartridge.
Replacing the Toner Cartridges(P. 400)
For optimum print quality, using Canon genuine toner cartridges is recommended. List of
Set the correct authentication information.
The authentication method or authentication information of IEEE 802.1X is not set correctly.
Set the Authentication Method and Authentication Information (Keys and Certificates, Password, CA
Certificate) Correctly.
Managing and Verifying a Key and Certificate(P. 234)
Set the information necessary for authentication.
The authentication method or authentication information of IEEE 802.1X is not set correctly.
Set the Authentication Method and Authentication Information (Keys and Certificates, Password, CA
Certificate) Correctly.
Managing and Verifying a Key and Certificate(P. 234)
The authentication server certificate has expired.
The server certificate sent from the RADIUS server has expired.
Check the Expiry Date of the RADIUS Server.
The authentication server certificate is incorrect.
A CA certificate that supports the certificate of the authentication server is not registered to the machine.
Check the certificate information of the authentication server, and register a supported CA certificate.
Registering a Key and Certificate or CA Certificate Obtained from an Issuing Authority(P. 247)
Troubleshooting
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