Check the security protocol of your network
If the security protocol is one of the following, you cannot connect to a wireless access point using Bluetooth.
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WPA-Enterprise
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WPA2-Enterprise
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WPA3-Enterprise
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WPA3-Enterprise (192-bit mode)
For details about how to connect the ScanSnap to a computer via Wi-Fi without using Bluetooth, refer to How can I connect my ScanSnap to a wireless access point?.
Is the ScanSnap being used by another computer or mobile device?
Connect the ScanSnap after you finish using it with another computer or mobile device.
Is the frequency band for the Wi-Fi network name (SSID) to which the computer is connected 5 GHz or 2.4 GHz?
The frequency bands for Wi-Fi supported by ScanSnap are 5 GHz and 2.4 GHz.
To connect the ScanSnap to a computer, select a network name (SSID) that supports the 5 GHz or 2.4 GHz frequency band on the computer.
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When you are in a region where Wi-Fi networks other than 2.4 GHz are available, do not select [Automatic] for the frequency in order to connect the ScanSnap. Select [2.4GHz] or [5GHz] depending on where you use the ScanSnap.
For details about how to change the frequency for connecting the ScanSnap, refer to ScanSnap Help.