Canon PIXMA MX320 On-Screen Manual - Page 542

Image Settings Page 542 of 817 pages Fading Correction may not be effective if the scan area is too small. You can set this setting when Recommended is selected on the Color Settings tab of the Preferences dialog box. When you click Multi-Crop, this setting turns to None and you cannot change it. Grain Correction Use this function to reduce graininess (roughness) in photos taken with high-speed or sensitized film. This setting is None by default. 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 Grain Correction may not be effective if the scan area is too small. Backlight Correction Use this function to correct photos that have been shot against light. When you change the Backlight Correction setting, the result will be reflected in the preview image. None Backlight correction will not be applied. Low Select this to correct slightly backlit photos. This will not affect the image contrast. Medium It is recommended that you normally select this setting. High Select this to correct strongly backlit photos. This can affect the image contrast. Important You can set Backlight Correction after preview. You can set this setting when Recommended is selected on the Color Settings tab of the Preferences dialog box. Backlight Correction may not be effective if the scan area is too small. When you click Multi-Crop, you cannot change this setting. Note Noise patterns may appear when Backlight Correction is applied. Applying Grain Correction and setting Unsharp Mask to OFF may reduce the noise patterns. 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 preveiw 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.