Fujitsu SCANSNAP S1300I Operator's Manual page 358

Creating Scanned Images Depending on Intended Use (for Mac OS Users)
2.
Select the [Automatic image rotation] checkbox in the [Scanning] tab.
3.
Click the [Apply] button in the ScanSnap setup window.
4.
Click the [ ] button in the upper left corner to close the ScanSnap
setup window.
5.
Load a document in the ScanSnap.
For details, refer to
6.
Press the [Scan] button on the ScanSnap to start a scan.
 The scanned image is saved in correct orientation.
"How to Load Documents" (page
358
50).