Canon MP640 - page 620

None Auto
Sharpening slightly out-of-focus images
Set Unsharp Mask to ON.
OFF ON
Reducing gradations and stripe patterns
Set Descreen to ON.
OFF ON
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 dus t and scratches.
None Medium
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 co lorcast.
None Medium
Page 620 of 988 pagesCorrecting Images (Unsharp Mask, Reduce Dust and Scratches, Fading Correc...