If the DHCP is out of date, rebooting or the IPv6 address is out of date or has not been obtained, then the IP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 Cong (Network Security Settings > IPsec/IP Filtering > Basic > Group
Policy > Local Address (Scanner)) may not be found.
Use a static IP address.
Is the computer’s IP address invalid or has it changed?
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If the DHCP is out of date, rebooting or the IPv6 address is out of date or has not been obtained, then the IP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 Cong (Network Security Settings > IPsec/IP Filtering > Basic > Group
Policy > Remote Address(Host)) may not be found.
Use a static IP address.
Related Information
& “Accessing Web Cong” on page 23
& “Encrypted Communication Using IPsec/IP Filtering” on page 71
Cannot Connect After Conguring IPsec/IP Filtering
The set value may be incorrect.
Disable IPsec/IP ltering 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 71
Cannot Access the Printer or Scanner after
Conguring
IEEE802.1X
The settings may be incorrect.
Disable IEEE802.1X from the scanner’s control panel. Connect the scanner and a computer, and then congure
IEEE802.1X again.
Related Information
&
“
Conguring
an IEEE802.1X Network” on page 84
Problems on Using a Digital Certicate
Cannot Import a CA-signed Certicate
Does the CA-signed
certicate
and the information on the CSR match?
If the CA-signed certicate and CSR do not have the same information, the CSR cannot be imported. Check the
following:
Administrator's Guide
Advanced Security Settings for Enterprise
89