Canon BJC-2100 Series User Manual page 326

Applying Special Effects to an Image
2
Select a desired function from the list.
The following is an example of the screen displayed when you select
Edges. The operation is the same when any other function is selected. You
can check the approximate result of the selection in the Preview Area.
For details of each function, refer to the explanation displayed when you
click the Help button.
Using the Scanner With Macintosh 326