Canon MX520 series, Online Manual

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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
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.
You can set this setting when Recommended is selected on the Color Settings tab of the
Preferences dialog box.
Correction may not be applied properly if the scan area is too small.
• Grain Correction
Use this function to reduce graininess (roughness) in photos taken with high-speed or sensitized film.
• None
Graininess will not be reduced.
• Low
Select this when the photo is slightly grainy.
• Medium
It is recommended that you normally select this setting.
• High
Select this when the photo is very grainy. This can affect the gradation and sharpness of the image.
Important
Correction may not be applied properly if the scan area is too small.
• Gutter Shadow Correction
Use this function to correct shadows that appear between pages when scanning open booklets.
When you set the
Gutter Shadow Correction setting in the preview image, the result will be reflected.
Preview the effects before scanning, as results vary depending on the type of document and how it is
pressed.
Unclear or blurred text/lines caused by curved pages are not corrected.
• None
Gutter shadow will not be corrected.
• Low
Select this when the effect level is too strong with the medium setting.
• Medium
It is recommended that you normally select this setting.
• High
Select this when the effect level is too weak with the medium setting.
Important
Do not place items that weigh 4.4 lbs (2.0 kg) or more on the Platen. Also, do not press on the
document with a force exceeding 4.4 lbs (2.0 kg). If you press heavily, the scanner may not work
correctly or you might break the glass.
Align the document with the edge of the Platen. If not, the shadow will not be corrected properly.