Canon MP560 Series On-Screen Manual page 622

Correcting Images (Unsharp Mask, Reduce Dust and Scratches, Fading Corre...
None
Sharpening slightly out-of-focus images
Set Unsharp Mask to ON.
OFF
Reducing gradations and stripe patterns
Set Descreen to ON.
OFF
Note
"Moire" is a phenomenon where uneven gradation or a stripe pattern appears when such photos or
pictures printed with fine dots are scanned. Descreen is the function for reducing this moire effect.
Reducing dust and scratches
Set Reduce Dust and Scratches to Low, Medium or High according to the degree of dust and scratches.
None
Correcting photos that have faded with time or due to colorcast
Set Fading Correction to Low, Medium or High according to the degree of fading or colorcast.
None
Auto
ON
ON
Medium
Medium
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