[Windows/macOS] Communication with the ScanSnap fails

Is the ScanSnap connected to the network?

After performing the following, close and open the ADF paper chute (cover) of the ScanSnap to turn it on, then scan documents again:

• Check the status and settings of your network environment.

• Turn on the wireless access point.

If the problem persists, connect the computer and the ScanSnap using a USB cable and scan documents.

Is the specified receiving port number used by another application?

If the specified receiving port number is used by another application, ScanSnap Home cannot receive the information that the ScanSnap is turned on.

Change the port number in the following procedure:

1. Display the scan window of ScanSnap Home on the computer.

   • To display the scan window

2. Select [Preferences] in the menu that appears when you click at the top of the scan window to display the preferences window.

3. Select the ScanSnap that you are using from the list of ScanSnap units that is located in [Scanner information] in the [Scanner] tab.

4. Change the port number for [Port number for startup notice] in [Network settings].

If you change the port number for the startup notice, you also need to change the sending port number for the ScanSnap.

For details about how to start ScanSnap Wireless Setup Tool, refer to [Windows/macOS] How can I start the ScanSnap Wireless Setup Tool?.