Brother MFC-9160 Owner's Manual page 64

Adjust Image
Brightness
Adjust the brightness settings to obtain the best image. The Brother TWAIN Scanner driver offers
100 brightness settings (-50 to 50). The default value is 0, representing an "average" setting.
You can set the brightness level by dragging the slidebar to the right to lighten the image or to the
left to darken the image. You can also type a value in the box to set the setting. Click OK.
If the scanned image is too light, set a lower brightness value and scan the document again.
If the image is too dark, set a higher
brightness value and scan the document
again.
Contrast
The contrast setting is adjustable only when you have selected one of the grey scale settings, but it
is not available when Black & White is selected as the grey scale.
Increasing the contrast level (by dragging the slidebar to the right) emphasizes dark and light areas
of the Image, while decreasing the contrast level (by dragging the slidebar to the left) reveals more
detail in grey areas. Instead of using the slidebar, you can type a value in the box to set the contrast.
Click OK.
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Chapter 7