Is the ScanSnap turned on?
Open the ADF paper chute (cover) of the ScanSnap to turn the power on.
Are the ScanSnap and the computer connected via Wi-Fi?
To create a profile for saving scanned images directly from the ScanSnap to a network folder, you will need to connect the ScanSnap to the computer via Wi-Fi.
For details about how to connect the ScanSnap to a computer via Wi-Fi, refer to ScanSnap Help.