Sharp AR-C250 Operation Manual page 8

3. Sharpness (See page 3-18.)
This function is used to sharpen or soften image outlines.
Original
4. Suppress background (See page 3-20.)
This copier can suppress unnecessary background colors on the original image when copying. This function is used
to adjust the density level of background colors to be erased.
Original
6
Softer
Copy
The thumbnails appearing on the screen
are a guideline to show the relative effect of
adjustments. The actual amount of change
will vary for different originals.
Sharper