Contrast; Background Density - Kyocera ECOSYS M3645dn Operation Manual

Using Various Functions > Functions

Contrast

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You can adjust the contrast between light and dark areas of the image.
Lower
Item
1 to 4 (Higher)
-1 to -4 (Lower)

Background Density

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Removes dark background from originals, such as newspapers.
This feature is used with full color and auto color. Background Density Adjustment is disabled if Auto Color detects black
and white originals.
If the ground color is obtrusive, select [Auto]. If [Auto] does not remove the ground color, select [Manual] and adjust the
density of the ground color.
Item
Off
Auto
Manual
Original
Increases the sharpness of colors.
Creates smoother colors.
Does not adjust the ground color.
Automatically adjusts the background density based on the original.
Select [1] to [5] (Lighter - Darker) to adjust the background density manually.
Description
Description
6-15
Higher