Canon MP490 series On-Screen Manual page 684

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Advanced Guide Troubleshooting
Correctly When Scanning Using the Operation Panel
Position or Size of the Image Cannot be Detected Correctly
When Scanning Using the Operation Panel
Check 1: Make sure that the documents are placed correctly on the Platen.
Placing Documents
Check 2: Check that the MP Navigator EX settings are correctly set
according to the document.
If you cannot scan properly with Auto Scan using the Operation Panel, specify the document type or size
in MP Navigator EX.
Scanning Photos and Documents
> MP Navigator EX Problems > Position or Size of the Image Cannot be Detected
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