Canon DR-5010C - Manual (Page 32)

30 Installing the Software
Canon DR-5010C Help
Online help for ISIS/TWAIN driver. (See “Using the ISIS/TWAIN Driver,”
on p. 35.)
PATCH x(xx) (Patch Code Sample Sheet)
These sheets are used to automatically separate batches of documents when
the scanner recognizes the patch code pattern. (See “Using Patch Code
Sheets,” on p. 55.)
To use the patch code sheets, you need to install CapturePerfect, which is
provided with the scanner, or an application that can handle PDF format files.