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Brightness/Contrast
You can adjust the brightness and contrast level in this dialog box.
Click [
] to adjust the brightness and contrast using the curve on the graph.
[Channel]
[Brightness]
[Contrast]
[Reset]
Histogram
You can visually confirm which parts of the image are darker or lighter. You can eliminate the darkest and
lightest parts to increase the halftone tonal range.
[Channel]
[
] (Black-point eyedropper
tool)
Scan
Select [Red], [Green], or [Blue] to adjust each color, or select [Master] to adjust all three
colors when [Color] or [Color (Documents)] is selected for [Color Mode].
Adjust gray when [Grayscale] is selected for [Color Mode].
Adjust the brightness by moving [
up to 127.
Adjust the contrast by moving [
to 127.
Restore all current settings to default settings.
Select [Red], [Green], or [Blue] to adjust each color, or select [Master] to adjust all
three colors when [Color] or [Color (Documents)] is selected for [Color Mode].
Adjust gray when [Grayscale] is selected for [Color Mode].
Click to move the tool to the part of the image (or the selected scan area) in the
preview area that you want to be the darkest part. You can also manually enter a
value from 0 up to 245 or move [
142
] on the slider or manually entering values from -127
] on the slider or manually entering values from -127 up
] on the slider.
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Table of Contents
Troubleshooting
