Dell C5765DN Dell Color Laser Multifunction Printer User's Guide - Page 547
Internet/Intranet Connection Problems, When connection to the Internet/Intranet fails
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Network-related Problems Internet/Intranet Connection Problems The possible causes and remedies for problems when connecting to the Internet or intranet are as follows: When connection to the Internet/Intranet fails Cause Remedy The Authentication feature used on the remote server is not supported by the machine. Only Basic Authentication is supported by the machine. The machine does not support NTLM/digest. For security purposes, change to the Authentication feature using SSL. The remote linkage services used does not support the model or accessories of the machine. Purchase products/models/accessories supported by the remote linkage services. The IP address is incorrect. Confirm the IP address. If the IP address is incorrect, either set a static IP address or resolve the IP address using DHCP or Autonet. The IP gateway address is incorrect. Set the correct IP gateway address when connecting to the proxy server, or to a Web server via the IP gateway. The subnet mask is incorrect. Set the correct subnet mask corresponding to your environment. The DNS server address is incorrect. Confirm the DNS server address. The DNS server selected cannot resolve the address. Select a DNS server that can resolve the address. • When connecting via the proxy server Set the IP address of a DNS server that can resolve the address of the proxy server. • When not connecting via the proxy server Set the IP address of a DNS server that can resolve the destination address. The address that does not use a proxy server is incorrect. Confirm whether only addresses that do not use a proxy server are set. Even if addresses not through a proxy server are specified using the FQDN, if a server is directly accessed using its IP address, the registered server is not excluded. Set the address not to use a proxy server. Likewise, even if you directly specify an address that does not use a proxy server, if a server is accessed with the FQDN, the registered server is not excluded. Set an IP address with the FQDN not to use a proxy server. The desired server, or the proxy Confirm whether the desired server or the proxy server is server is down. operating correctly. The network cable is not connected, or broken. Confirm whether the network cable is correctly connected. We recommend using a spanning-tree configuration, with which network disconnection rarely occurs. Cannot communicate because of overloading of the server application. An error that is not displayed on the control panel occurs. Wait for a while and try accessing again. Even though an error occurs during background processing, no massage appears on the control panel. Display the [Job Status] screen or print the Job History Report to confirm the result. 547