Checking/Deleting a CA Certificate

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You can display the details of registered CA certificates. You can also delete unnecessary CA certificates.

  1. Press (Main Menu).
  1. Press the right Any key to select <Additional Func.>.
  1. Use [], [] or (Scroll Wheel) to select <System Management Set.>, then press [OK].

If the screen appears prompting you to enter the System Manager ID and System Password, enter the System Manager ID and System Password using - (numeric keys), then press (Log In/Out).

  1. Use [], [] or (Scroll Wheel) to select <Network Settings>, then press [OK].
  1. Confirm that a screen shown left appears on the display, then press the right Any key to select <Done>.
  1. Use [], [] or (Scroll Wheel) to select <TCP/IP Settings>, then press [OK].
  1. Use [], [] or (Scroll Wheel) to select <Certificate Settings>, then press [OK].
  1. Use [], [] or (Scroll Wheel) to select <CA Certificate List>, then press [OK].
  1. Check or delete the desired CA certificates.

  • If you want to display the details of a CA certificate:

  • 1. Use [], [] or (Scroll Wheel) to select the CA certificate you want to check, then press the left Any key to select <Menu>.

  • 2. Use [], [] or (Scroll Wheel) to select <Certificate Details>, then press [OK].

  • 3. Use [], [] or (Scroll Wheel) to scroll through the certificate details.
  • If you want to check the complete information of the listing, press the right Any key to select <Display All>.
  • If you press the left Any key to select <Cert. Verif.>, the machine checks for errors in the certificate.

  • If you want to delete a registered CA certificate:

  • 1. Use [], [] or (Scroll Wheel) to select the CA certificate you want to erase, then press the left Any key to select <Menu>.

  • 2. Use [], [] or (Scroll Wheel) to select <Erase>, then press [OK].

  • 3. Use [], [] or (Scroll Wheel) to select <Yes>, then press [OK].

If you want to cancel the operation, select <No>.


  • 4. Press (Main Menu) to return to the Main Menu screen.

  • 5. Restart the machine.

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