Epson ES-C380W - Page 275

The IP address of the computer has been changed or cannot be used.
When the IP address registered to the remote address on Group Policy has been changed or cannot be used, IPsec
communication cannot be performed.
Disable IPsec using the scanner's control panel.
If the DHCP is out of date, rebooting or the IPv6 address is out of date or has not been obtained, then the IP
address registered for the scanner's Web Cong (Network Security tab > IPsec/IP Filtering > Basic > Group
Policy > Remote Address(Host)) may not be found.
Use a static IP address.
Cannot Connect After Conguring IPsec/IP Filtering
The set value may be incorrect.
Access the scanner according to its MAC address using EpsonNet Cong or Epson Device Admin from another
computer, such as administrator's. You can nd the MAC address on the label pasted on the scanner.
If you can access, make the IPsec/IP ltering settings using EpsonNet Cong or Epson Device Admin.
If you cannot access, restore all network settings using the scanner's control panel. Connect the scanner and
computer, make the network settings again, and then make the IPsec/IP ltering settings.
Cannot Access the Device after
Conguring
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
congure IEEE802.1X again.
Problems on Using a Digital
Certicate
Cannot Import a CA-signed Certicate
CA-signed Certicate and the information on the CSR do not match.
If the CA-signed
Certicate
and CSR do not have the same information, the CSR cannot be imported. Check the
following:
❏ Are you trying to import the certicate to a device that does not have the same information?
Check the information of the CSR and then import the certicate to a device that has the same information.
❏ Did you overwrite the CSR saved into the scanner aer sending the CSR to a certicate authority?
Obtain the CA-signed certicate again with the CSR.
CA-signed Certicate is more than 5KB.
You cannot import a CA-signed Certicate that is more than 5KB.
The password for importing the certicate is incorrect.
Enter the correct password. If you forget the password, you cannot import the certicate. Re-obtain the CA-signed
Certicate
.
Administrator Information > Advanced Security Settings > Solving Problems for Advanced Security
275