Canon PIXMA MX320 On-Screen Manual - Page 541

Image Settings Page 541 of 817 pages None Show-through will not be reduced. Low Select this to reduce show-through in duplex documents or lighten the base color. It is recommended that you normally select this setting. High Select this when show-through is apparent. This can affect the tone of the image. Unsharp Mask When this is set to ON, the outline of the subjects is emphasized to sharpen the image. This setting is ON by default. Descreen Printed photos and pictures are displayed as a collection of fine dots. "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. This setting is OFF by default. 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. Selecting Magazine(Color) in Select Source in Basic Mode tab has the same effect as setting Descreen to ON in Advanced Mode tab. Reduce Dust and Scratches Scanned photos may contain white dots caused by dust or scratches. Use this function to reduce such noise. This setting is None by default. 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 small/large dust particles and scratches. Evidence of the reduction process may remain and may also remove delicate parts of the image. 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. This setting is None by default. None Fading correction will not be applied. Low Select this to correct a small amount of fading and colorcast. Medium It is recommended that you normally select this setting. High Select this to correct a large amount of fading and colorcast. This can affect the tone of the image. Important You can set Fading Correction after preview.