Network Settings > Additional Network Settings > Managing Key Pairs and Digital Certificates > Checking and Deleting a Key and Certificate
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Checking and Deleting a Key and Certificate

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Keys and certificates become invalid when the certificate expires or when the file becomes corrupted. If this happens, delete unnecessary key pair files as described below.

  1. Start the Remote UI.

For details on how to start the Remote UI, see "Starting the Remote UI."

  1. Click [Add. Func.] → select [Settings] from the menu that appears under [Add. Func.] → click [TCP/IP Settings].
  1. Scroll the page until [Certificate Settings] appears → click [Key and Certificate Settings].
  1. Select the function.
  • To check the details of a certificate:
  • Click [] (Certificate).
  • If [Certificate Verification] is clicked, the machine checks for errors in the certificate.
  • To delete a key and certificate:
  • 1. Select the [Select] check box next to the desired file → click [Delete].
  • A key pair file cannot be deleted if it is currently being used (indicated under [Key Usage]).
  • 2. Restart the machine.

Turn OFF the machine and wait at least 10 seconds before turning it ON again.


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