Fujitsu scansnap ix500 Operator's Manual page 258

Creating Scanned Images Depending on Intended Use (for Windows Users)
Change the settings in the following procedure to automatically set keywords for PDF files.
1.
Select [Scan Button Settings] from the Right-Click Menu.
For details about the Right-Click Menu, refer to
37).
The ScanSnap setup dialog box appears.
2.
In the [File format] drop-down list in the [File option] tab, select [PDF
(*.pdf)].
HINT
It is recommended that you select [Better] or [Best] for [Image quality] in the [Scanning] tab of the
ScanSnap setup dialog box.
"Right-Click Menu (Windows)" (page
258