Canon imageCLASS MF6550 MF6500 Series Scanner Drivere Guide - Page 48
Gray Balance, to an appropriate level.
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Introduction 1 Scanning a Document 2 Troubleshooting 3 Appendix 4 [Channel] (Black-point eyedropper tool) (Mid-point eyedropper tool) (White-point eyedropper tool) Select a color to adjust either [Red], [Green], or [Blue], or select [Master] to adjust all three colors together when [Color] or [Color (Documents)] is selected in [Color Mode]. Adjust the elements of grayscale when [Grayscale] is selected in [Color Mode]. Click this button, then click a point in the preview image (or inside the focal crop) to specify the darkest point. You can also enter a value (0 to 245) or move the slider to an appropriate level. Click this button, then click a point in the preview image (or inside the focal crop) to specify the midtone point. You can also enter a value (5 to 250) or move the slider to an appropriate level. Click this button, then click a point in the preview image (or inside the focal crop) to specify the highlighted point. You can also enter a value (10 to 255) or move the slider to an appropriate level. Back Previous Next TOP (Gray Balance When adjusting a color image, click this eyedropper button, then click a point in the preview tool) image (or inside the focal crop) to specify the point to execute gray balance adjustment. The gray elements within a scanned image will appear as a neutral gray, and other elements within the image will also have true color reproduction. [Reset] Resets all the current settings to their default values. Table of Contents Index 2-34