Brother MFC-J4410DW - Manual (Page 159)

Scanning
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If the scanned image is too light, set a lower Brightness level and scan the document again.
If the image is too dark, set a higher Brightness level and scan the document again.
NOTE
The Brightness setting is only available when setting the Scan Type to Black & White,
Gray (Error Diffusion), True Gray or 24bit Color.
 Contrast
You can increase or decrease the contrast level by moving the slider to the right or left. An increase
emphasizes dark and light areas of the image, while a decrease reveals more details in gray areas. You
can also enter a value in the box to set the Contrast.
NOTE
The Contrast setting is only available when setting the Scan Type to Gray (Error Diffusion), True Gray
or 24bit Color.
 Reduce Noise
You can improve and enhance the quality of your scanned images with this selection. The Reduce Noise
setting is available when using 24bit Color and scan resolutions of 300
 300 dpi, 400  400 dpi or
600  600 dpi.