Canon S450 User Manual page 460

Drag the Copy Utility for S450 folder and copy it to any location.
3
Now you can start the Copy Utility at any time.
Note
To use the Copy Utility, the printer driver and IS Scan scanner driver must
also be installed.
I Starting the Copy Utility
Turn on the printer and install the scanner cartridge.
1
Click the Copy Utility for S450 folder.
2
Using the Copy Utility
Using the Scanner With Macintosh 460