Canon PIXMA MG4200 Series On-Screen Manual page 374

My Image Garden Guide > My Image Garden Screens
A181
Crop View (Scan View)
You can crop scanned images.
Click Crop in the Scan view to switch to the Crop view.
(1) Preview Area
(2) Operation Buttons
(3) Display Size Setting Bar
(1) Preview Area
Displays the preview of the image to be cropped.
The area to be cropped is indicated by a white frame.
(2) Operation Buttons
Crop
Returns to the Scan view.
Rotate
Rotates the image displayed in the Preview area 90 degrees clockwise with each click.
Cancel
Restores the white frame to the default position.
Apply
> Main Screen > Scan View > Crop View (Scan View)