Canon BJC-2100 Series User Manual page 320

Edge Emphasis
This function is valid only when Image Type is set to Black & White. If this
function is selected, only the edge of the image is emphasized when the
image is scanned. This is disabled for prescan.
4
Click the OK button. The main IS Scan dialog box displays.
5
Place the image to be scanned in the printer, then click the Prescan button
or Scan button to start scanning.
Customizing the Scanning Settings
Using the Scanner With Macintosh 320