Canon MP490 series On-Screen Manual page 686

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Advanced Guide Troubleshooting
Changes in the Scanned Image
Document Is Placed Correctly, but the Orientation Changes in
the Scanned Image
Check: In MP Navigator EX, deselect the Detect the orientation of text
documents and rotate images checkbox and scan again.
Scan Settings Dialog Box (Photos/Documents)
> MP Navigator EX Problems > Document Is Placed Correctly, but the Orientation
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