Fujitsu Scan Snap S1300i Operator's Manual page 241

Using the ScanSnap in Various Ways (for Windows Users)
5.
Press the [Scan] button on the ScanSnap to start a scan.
HINT
When you select [Simplex scan] from the Right-Click Menu, scanning is performed in simplex mode
even if [Duplex Scan (Double-sided)] is specified for [Scanning side] in the [Scanning] tab.
Scanned image is saved.
241