When you do not want to scan colored lines and text
Specify the color (red, green, blue, all colors) to be ignored (dropped out) in the color
When you want to enhance a particular color
Specify the color (red, green, blue) to be enhanced in the color dropout settings on the [Image processing] tab, and that color will be enhanced in the scanned image.
When you want to enhance contours in images
Adjust the edge emphasis setting on the [Image processing] tab.
When you want to make lines and text in scanned images thicker or thinner
Drag the [Character Emphasis] slider in the [Image processing] tab to make lines and text in the scanned images thicker or thinner.
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