Fujitsu scansnap ix500 Operator's Manual page 423

4.
Click the [Apply] button in the ScanSnap setup window.
Scan settings are changed.
When you use the Quick Menu, scan settings for the [Customize] button are
changed.
When you use a profile, scan settings for the currently selected profile are
changed.
HINT
If you press the [Scan] button on the ScanSnap while the ScanSnap setup window is displayed, the
ScanSnap setup window closes and scanning starts. Scan settings that you have changed are
saved and documents are scanned by these settings.
Note that when other windows are open, scanning does not start even if you press the [Scan] button
on the ScanSnap unless open windows are closed.
Configuring ScanSnap Manager (for Mac OS Users)
423