Fujitsu PA03768-B005 Operator's Manual page 191

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Is the IP address of the scanner used for other communication devices?
Solution
If there are multiple communication devices using the same IP address on the same network,
communication may fail. Avoid duplicates in IP addresses.
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Have you connected another communication device with the same IP address as the scanner to the server
in the past?
Solution
Communication fails if you connect the scanner to the server and change the preferences settings without
turning off the server after the server communicated with another host or communication device with the
same IP address as the scanner. Restart the server.
●
Is there a firewall device on the same network as the scanner and the server?
Solution
Check that the access from the scanner is not prohibited by the firewall device.
●
Are the settings on the scanner that are related to the server specified correctly?
Solution
Check the server setting items in the following procedure:
1
On the touch screen, press
2
Press the server to be connected to, and check the setting items.
● Whether [Enable] is on.
● Whether [Host Name/IP address] and [Port Number] are correct.
● Whether the setting for [Authentication] for a proxy sever is correct.
●
Are the settings on the server specified correctly?
Solution
Refer to the manual for the server and check the settings.
→ [Scanner Settings] → [Network] → [Server].
191
Troubleshooting