Fujitsu ScanSnap S1500M Operator's Manual page 345

5.
Load a document in the ScanSnap.
For details about how to load documents, refer to
6.
Press the [Scan] button on the ScanSnap to start a scan.
When the scanning is completed, a separate JPEG file will be created from each
page of the PDF file if [PDF(*.pdf)] is selected for [File format] in the [File option] tab
of the ScanSnap setup window.
The following window appears during file creation.
Evernote for Mac starts up, and the JPEG file is saved to Evernote.
When you select [PDF(*.pdf)] for [File format] in the [File option] tab of the ScanSnap
setup window, a four-digit serial number is automatically added to the name of the file
which is saved to Evernote.
e.g. When the file name is [ScanSnap], the file is saved as:
The file in which the scanned image is saved remains in the folder specified for [Image
saving folder] in the [Save] tab of the ScanSnap setup window even after the scanned
image is saved to Evernote. Delete this file if unnecessary.
ScanSnap_0001, ScanSnap_0002, ScanSnap_0003...
345
Actions (for Mac OS Users)
"How to Load Documents" (page 32).