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To "Settings/Registration Table"

You can confirm the settings of registered key pairs and server certificates. You can also delete an unnecessary key pair and certificate, and check how a key pair is currently being used.

1. Press (Settings/Registration) → [Management Settings] → [Device Management] → [Certificate Settings] → [Key and Certificate List] → [Key and Certificate List for This Device] → specify the following.

[Key and Certificate List for This Device] and [Key and Certificate List for Users] appear if User Signature is activated.

If (invalid) is displayed to the left of a key pair, it is corrupted or invalid. After erasing the corrupted or invalid key pair, register a key pair (see "Generating a Key Pair and Server Certificate," or "Registering a Key Pair File and Server Certificate File Installed from a Computer.").

• The Device Signature Key is a key pair required for a device signature. For more information, see "Confirming a Key Pair and Device Certificate."

• If you want to confirm a server certificate:

• If you want to delete a registered key pair:

• If you want to check what a key pair is being used for:

• If you want to confirm a server certificate:

• Select the key pair for the server certificate you want to confirm → press [Certificate Details] → [Certificate].

If [Certificate] is grayed out or <The key is corrupted or invalid.> is displayed, you cannot use the key pair. After erasing the corrupted or invalid key pair, register a key pair (see "Generating a Key Pair and Server Certificate," or "Registering a Key Pair File and Server Certificate File Installed from a Computer.").

• If you want to delete a registered key pair:

• Select the key pair to delete → press [Delete].

• Key pairs for which 'Used' is displayed in <Status> cannot be deleted because they are being used with the IEEE802.1X authentication/IPSec or because SSL is set to 'On'. Press [Display Use Location] to check the type of security the key pair is being used for. To delete a key pair which is only being used with SSL, set the following settings to 'Off'. A key pair being used for the IEEE802.1X authentication/IPSec cannot be deleted.

• <Use SSL> in [Remote UI] (See "Setting Remote UI.")

• [Use SSL] in [MEAP Settings] (See "MEAP Settings.")

• [IPP Print Settings] (See "Settings Common to TCP/IPv4 and TCP/IPv6.")

• <SMTP RX> in [E-Mail/I-Fax Settings] (See "E-Mail/I-Fax Settings.")

• [Restrict Receiving for Each Function] in [Device Information Delivery Settings] (See "Registering/Deleting/Printing Delivery Destinations.")

• [Confirm Dept. ID PIN] (See "Settings Common to TCP/IPv4 and TCP/IPv6.")

• [WebDAV Server Settings] (See "Setting the Advanced Box to be Open to the Public as a WebDAV/SMB Server.")

• If you want to check what a key pair is being used for:

• Select a key pair with 'Used' displayed for <Status> → press [Display Use Location] to check the kind of security the key pair is being used for.

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