● Is the network stable?
Solution
Connect to the network after it becomes stable.
A network can be unstable by the following events:
● A network monitoring program is running.
● A file is transferring.
If the network is unstable, restart the network devices. However, before restarting them, make sure that
communications with other devices are not affected if the network devices are restarted. The network
devices may become unstable.
● Are there any security restrictions on the computer?
Solution
In the Windows Firewall settings or in the firewall settings of your security software, unblock the
communication of the port numbers which are used by the following software.
● fi-7300NX Scanner Selection Tool
Port number: 52217
● fi-7300NX Button Event Manager
Port number: 53218
For details about unblocking the communication, refer to the manual or help of your computer or security
software.
● Is the computer connected to a wired LAN?
Solution
Check the connection status of the computer in the following procedure:
1 On the touch screen, press
→ [Scanner Settings] → [Network] → [Check connection (Ping)].
2 In the [Check connection (Ping)] screen, enter the host name or the IP address of the computer,
and press the [Run] button.
The result is displayed.
Refer to Connection Test Result (page 158) and take measures accordingly.
● Is the scanner connected to another computer?
Solution
The scanner can be connected to only one computer at a time. Wait until the other computer is
disconnected from the scanner, and then connect the computer to be used again.
Troubleshooting
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