# Setting TLS Authentication Information

Set authentication information for using TLS with the IEEE802.1X authentication method.
TLS performs mutual authentication using the authentication server's certificate and the printer's certificate.

IMPORTANT
###### In order to set up TLS authentication You need to register a key and certificate or a CA certificate used for authentication to the printer in advance. "Setting Keys and Certificates" "Setting CA Certificates"

1
Start the Remote UI, and then log in as Administrator.
"Starting the Remote UI"
2
Click [Settings/Registration].
3
Select [Network] from the [Preferences] menu.
4
Click [IEEE802.1X Settings].
5
Click [Edit...].
6
Enter the login name.
Up to 24 alphanumeric characters can be entered.
7
Select the [Use TLS] check box.
8
Click [Key and Certificate...].
9
Select the key to use, and then click [Default Key Settings].
10
Select the [Use IEEE802.1X] check box.

If a Message Appears A message will be displayed if there is anything wrong with the settings. See Steps 6 to 9, and check the settings.

11
Click [OK].
12
Perform a hard reset or restart the printer.
Perform a hard reset or restart the printer.

→ | After performing a hard reset or restarting the printer, the settings are effective.

NOTE
###### To perform a hard reset You can perform a hard reset using the following procedure.
1. | Click [Settings/Registration].
2. | Select [Device Control] from the [Output/Control] menu.
3. | Select [Hard Reset], then click [Execute].

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