"ControlCenter needs to be updated." - macOS 10.15 Catalina

Locate files scanned with ControlCenter2 (For Macintosh)

Scan and save a document in PDF format for Macintosh (Scan to File)

Scan a document and save the scanned image to a folder on a local or network hard disk (For Macintosh)

Scan a document and e-mail it as an attachment (For Macintosh) (video instructions available)

Scan a document and e-mail it as an attachment (For Macintosh)

Scan a text document and convert it into a text file (For Macintosh)

Scan a document and open the scanned image with a graphics application (For Macintosh)

Scan multiple pages into one file instead of each scan being saved as a separate file.

When I try to scan the document, the scanner application crashes. (OS X 10.11)

Change the scan settings for scanning from ControlCenter2 or the SCAN key (For Macintosh)

Scan a document in Mac OS X 10.7.

Scan a document in Mac OS X 10.6.

I'm using Macintosh. What is the PreScan option used for?