Editing Key Pairs and Server Certificates

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).
2.
Press [Management Settings] → [Device Management] → [Certificate Settings].
3.
Press [Key and Certificate List] → [Key and Certificate List for This Device] → select the item to specify.
If is displayed to the left of a key pair, it is corrupted or invalid. Delete the key pair, and register a new key pair. See "Generating a Key Pair and Server Certificate" or "Registering a Key Pair File and Server Certificate File Installed from a Computer."
NOTE
The Device Signature Key is a key pair required for a device signature. For more information, see "Setting/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. Delete the key pair, and register a new key pair. See "Generating a Key Pair and Server Certificate" or "Registering a Key Pair File and Server Certificate File Installed from a Computer."
Press [OK].
If you want to delete a registered key pair:
Select the key pair to delete → press [Delete].
IMPORTANT
Key pairs for which 'Using' is displayed in <Used> 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 IEEE802.1X authentication/IPSec cannot be deleted.
<Use SSL> in [Remote UI] (See "Remote UI.")
[Use SSL] in [MEAP Settings] (See "MEAP Settings.")
[IPP Print Settings], [Confirm Dept. ID PIN] (See "Settings Common to TCP/IPv4 and TCP/IPv6.")
<SMTP Receive> 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.")
Press [Yes].
If you want to check what a key pair is being used for:
Select a key pair with <Using> displayed for <Used> → press [Display Use Location].
Press [OK].
4.
Press [OK] → [OK] → [OK].