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Administrator's Guide
If the DHCP is out of date, rebooting or the IPv6 address is out of date or has not been obtained, then the IP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 printer's Web Config (Network Security tab > IPsec/IP Filtering > Basic > Group
Policy > Remote Address(Host)) may not be found.
Use a static IP address.
Related Information
"Accessing Web Config" on page 23
&
"Logging on to the Printer Using Web Config" on page 35
&
"Encrypted Communication Using IPsec/IP Filtering" on page 73
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Cannot Create the Secure IPP Printing Port
The correct certificate is not specified as the server certificate for SSL/TLS communication.
If the specified certificate is not correct, creating a port may fail. Make sure you are using the correct certificate.
The CA certificate is not imported to the computer accessing the printer.
If a CA certificate is not imported to the computer, creating a port may fail. Make sure a CA certificate is imported.
Related Information
"Encrypted Communication Using IPsec/IP Filtering" on page 73
&
Cannot Connect After Configuring IPsec/IP Filtering
The settings of IPsec/IP Filtering are incorrect.
Disable IPsec/IP filtering from the printer's control panel. Connect the printer and computer and make the
IPsec/IP Filtering settings again.
Related Information
"Encrypted Communication Using IPsec/IP Filtering" on page 73
&
Cannot Access the Printer or Scanner after Configuring IEEE802.1X
The settings of IEEE802.1X are incorrect.
Disable IEEE802.1X and Wi-Fi from the printer's control panel. Connect the printer and a computer, and then
configure IEEE802.1X again.
Related Information
"Configuring an IEEE802.1X Network" on page 84
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Advanced Security Settings for Enterprise
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