Fujitsu SCANSNAP S1300I Operator's Manual page 236

Creating Scanned Images Depending on Intended Use (for Windows Users)
3.
Select the [Output in PDF/A-1b] check box.
 The following message appears.
4.
Click the [OK] button to close all open dialog boxes.
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 as a PDF/A file.
"How to Load Documents" (page
236
50).