Canon DR-2050SP - Manual (Page 38)

32 Using the Scanner
4.
Set the scan settings.
For details setting the scanning settings, see “ISIS Driver Settings,” on p. 50,
and ISIS/TWAIN Driver Help.
5.
Place your document. (See “Placing a Documents,” on p. 23.)
6.
On the [Scan] menu, select [Scan Batch to File].