Canon MF211 Manual page 205

[Use Proxy]
Select the check box to use the specified proxy server when communicating with an HTTP server.
[HTTP Proxy Server Address]
Enter the address of the proxy server. Specify the IP address or host name depending on the environment.
[HTTP Proxy Server Port Number]
Change the port number as necessary. Enter a number between 1 and 65535.
[Use Proxy within Same Domain]
Select the check box to use a proxy server specified in the same domain.
[Use Proxy Authentication]
To enable authentication by the proxy server, select the check box and enter up to 24 alphanumeric characters for the user name
in the [User Name] text box.
[Set/Change Password]
To set or change the password for the proxy authentication, when it is enabled, select the check box and enter up to 24
alphanumeric characters for the new password in the [Password] text box.
6
Click [OK].
7
Restart the machine.
Turn OFF the machine, wait for at least 10 seconds, and turn it back ON.