Canon mp280 series On-Screen Manual page 674

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Advanced Guide Troubleshooting
Correctly When Scanning Using the Operation Panel
S942
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 settings are correctly set according to the
document.
If you cannot scan properly with Auto Scan, specify the document type and size.
Scanning Photos and Documents
> MP Navigator EX Problems > Position or Size of the Image Cannot be Detected
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