Canon PIXMA MG4200 Series On-Screen Manual page 254

Note
To move the cropping area, place the cursor within the white frame and drag it.
You can rotate the selected image 90 degrees clockwise each time you click Rotate.
3.
Click Close.
The view switches to Scan.
4.
Click Save.
Save Dialog (Scan View)
Related Topic
Crop View (Scan View)
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