Administrator Information > Advanced Security Settings > Solving Problems for Advanced Security Related Information & “Running Web Config on a Web Browser” on page 26 & “Encrypted Communication Using IPsec/IP Filtering” on page 219 Cannot Connect After Configuring IPsec/IP Filtering The settings of IPsec/IP Filtering are incorrect. Disable IPsec/IP filtering from the scanner’s control panel. Connect the scanner and computer and make the IPsec/IP Filtering settings again. Related Information & “Encrypted Communication Using IPsec/IP Filtering” on page 219 Cannot Access the Scanner after Configuring IEEE802.1X The settings of IEEE802.1X are incorrect.
Disable IEEE802.1X and Wi-Fi from the scanner’s control panel. Connect the scanner and a computer, and then configure IEEE802.1X again. Related Information & “Configuring an IEEE802.1X Network” on page 230 Problems on Using a Digital Certificate Cannot Import a CA-signed Certificate CA-signed Certificate and the information on the CSR do not match. If the CA-signed Certificate and CSR do not have the same information, the CSR cannot be imported. Check the following: ❏ Are you trying to import the certificate to a device that does not have the same information? Check the information of the CSR and then import the certificate to a device that has the same information.
❏ Did you overwrite the CSR saved into the scanner after sending the CSR to a certificate authority? Obtain the CA-signed certificate again with the CSR. CA-signed Certificate is more than 5KB. You cannot import a CA-signed Certificate that is more than 5KB. The password for importing the certificate is incorrect. Enter the correct password. If you forget the password, you cannot import the certificate. Re-obtain the CA-signed Certificate. 234