Canon imageCLASS MF3240 imageCLASS MF3200 Series Software Guide - Page 108
Image Settings, Reduce Dust
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Introduction 1 Printing 2 Scanning a Document 3 PC Faxing 4 Troubleshooting 5 Appendix 6 Image Settings [Auto Tone] Set to [ON] to automatically adjust the tone of the image. You can apply this setting when the preview image is displayed. NOTE - This setting is available when [Color], [Color (Documents)] or [Grayscale] is selected in [Color Mode]. - This setting is not available when [Color Correction] is set to [None] in the [Preferences] dialog box. (See "[Color Settings] Tab," on p. 3-36.) [Unsharp Mask] Set to [ON] to emphasize the outline of an image and make it sharper. It is effective for scanning photos etc., which have a soft focus. NOTE This setting is available when [Color], [Color (Documents)] or [Grayscale] is selected in [Color Mode]. Table of Contents Index Back Previous Next TOP [Descreen] Set to [ON] to reduce the distorted pattern (moiré) when scanning printed photographs and pictures. NOTE - This setting is available when [Color], [Color (Documents)], or [Grayscale] is selected in [Color Mode]. - Even if [Descreen] is set to [ON], some moiré effect may remain if [Unsharp Mask] is also set to [ON]. In this case, disable [Unsharp Mask]. - You cannot set [Descreen] to [ON] when scanning from an application which does not display the [ScanGear MF] dialog box. - A change in this setting is reflected in the next scan process. [Reduce Dust and Scratches] Reduces the dust and scratches on photos. [None]: No reduction of dust and scratches will be made. [Low]: Reduces only small dust and scratch marks. [Medium]: Normally this setting is recommended. [High]: Reduces large dust and scratch marks. This may remove delicate parts of the image. NOTE This setting is available when [Color], [Color (Documents)] or [Grayscale] is selected in [Color Mode]. 3-27