Dell S3840cdn, User Manual

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| Network-related Problems
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
server is down. Confirm whether the desired server or the proxy server is 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. Wait for a while and try accessing again.
An error that is not displayed on
the control panel occurs. Even though an error occurs during background processing, no
message appears on the control panel. Tap
Jobs
on the
Home
screen,
or print the Job History Report to confirm the result.
Cannot access the proxy server,
firewall, or Web server as a result of
access control. 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.)
Cause Remedy