Fuji Xerox DocuCentre-V C2265 Administrator's Manual page 490

Problem Solving
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Cause
The IP address is incorrect.
The IP gateway address is
incorrect.
The subnet mask is incorrect.
The DNS server address is
incorrect.
The DNS server selected cannot
resolve the address.
The address of the address that
does not use a proxy server is
incorrect.
The desired server, or theproxy
server is down.
The network cable is not
connected, or broken.
Cannot communicate because
of overloading of the server
application.
An error occurs that is not
displayed on the control panel.
Cannot access the proxy server,
firewall, or Web server as a
result of access control.
Remedy
Confirm the IP address. If the IP address is incorrect,
either set a static IP address or resolve the IP address
using DHCP or AutoIP.
Set the correct IP gateway address when connecting to
the proxy server, or to a Web server via the IP gateway.
Set the correct subnet mask corresponding to your
environment.
Confirm the DNS server 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.
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.
Confirm whether the desired server or the proxy server
is operating correctly.
Confirm whether the network cable is correctly
connected. We recommend using a spanning-tree
configuration, with which network disconnection rarely
occurs.
Wait for a while and try accessing again.
Even though an error occurs during background
processing, no message appears on the control panel.
Display the [Job Status] screen or print the Job History
Report to confirm the result.
The following types of access control are used. Confirm
the configured access control.
Address (port) restriction
SSL restriction
User access restriction (including access right levels)
Content block
Scheme restriction (cannot use HTTP etc.)
Transfer data size restriction
Method restriction (cannot use POST etc.)
HTTP header restriction (only accepting specified
browsers etc.)
Time restriction (only available during a specific
period of time etc.)