Canon MF247dw User Manual page 452

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Click [Register Key and Certificate] or [Register CA Certificate].
Deleting a registered key pair or CA certificate
● Click [Delete] on the right of the key pair or CA certificate you want to delete
delete the preinstalled CA certificates.
● A key pair cannot be deleted if it is currently used for some purpose, such as when "[TLS]" or "[IEEE
802.1X]" is displayed under [Key Usage]. In this case, disable the function or replace the key pair before
deleting it. The preinstalled CA certificate cannot be deleted.
Disabling or enabling the preinstalled CA certificates
● Click [Disable] on the right of the preinstalled CA certificate you want to disable. To enable the certificate
again, click [Enable] on the right of the certificate.
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Click [Install].
Deleting a key pair or CA certificate file
● Click [Delete] on the right of the file you want to delete
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Click [Browse], specify the file to install, and click [Start Installation].
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The key pair or CA certificate is installed in the machine.
Security
click [OK].
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click [OK]. You cannot