pictures printed with fine dots are scanned. Descreen is the function for reducing thismoire effect.• OFFMoire will not be reduced.• ONReduces moire. It is recommended that you normally select this setting.NoteEven if Descreen is set to ON, some moire effects may remain if Unsharp Mask isset to ON. In that case, set Unsharp Mask to OFF.• Reduce Dust and ScratchesScanned photos may contain white dots caused by dust or scratches. Use this function toreduce such noise.• NoneDust and scratches will not be reduced.• LowSelect this to reduce small dust particles and scratches. Large ones may remain.• MediumIt is recommended that you normally select this setting.• HighSelect this to reduce large dust particles and scratches; however, evidence of thereduction process may remain or delicate parts of the image may be removed.ImportantThis function may not be effective for some types of photos.NoteIt is recommended that you select None when scanning printed materials.• Fading CorrectionUse 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 theweather or ambient strong colors.• NoneFading Correction will not be applied.• Low135