Canon MG2500 series Online Manual page 135

pictures printed with fine dots are scanned. Descreen is the function for reducing this
moire effect.
• OFF
Moire will not be reduced.
• ON
Reduces moire. It is recommended that you normally select this setting.
Note
Even if Descreen is set to ON, some moire effects may remain if Unsharp Mask is
set to ON. In that case, set Unsharp Mask to OFF.
• Reduce Dust and Scratches
Scanned photos may contain white dots caused by dust or scratches. Use this function to
reduce such noise.
• None
Dust and scratches will not be reduced.
• Low
Select this to reduce small dust particles and scratches. Large ones may remain.
• Medium
It is recommended that you normally select this setting.
• High
Select this to reduce large dust particles and scratches; however, evidence of the
reduction process may remain or delicate parts of the image may be removed.
Important
This function may not be effective for some types of photos.
Note
It is recommended that you select None when scanning printed materials.
• Fading Correction
Use this function to correct photos that have faded with time or have a colorcast.
"Colorcast" is a phenomenon where a specific color affects the entire picture due to the
weather or ambient strong colors.
• None
Fading Correction will not be applied.
• Low
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