FUJITSU ScanSnap Color Image Scanner S510M - Manual (Page 105)

3.5 Various settings according to your needs
ScanSnap S510M Operator's Guide 89
Basic Scanner Operations
3
3. On the "ScanSnap Carrier Sheet Settings" window, select "Create front and back
images separately" in the "Mode" drop-down list, and then click the [OK] button.
4. Select "Automatic detection" in the "Paper size" drop-down list on the [Paper size]
tab.