Quality Adj.

Adjust the scan density of the entire original, density of the original background, color shade, image outline, and contrast. Also, adjust the separation output level of the text part and photo part in an image or the separation level of black-and-white and color in the text part.

If Gray Scale or Black is selected in Color, Color cannot be selected in Distinction.

Scan Density: -4 to +4
Back. Removal: -6 to +2,Auto

Red: -4 to +4
Green: -4 to +4
Blue: -4 to +4

Sharpness: -4 to +4
Contrast: -4 to +4

Distinction
Text: -4 to +4
Color: -4 to +4

OK
Applies the setting.

Cancel
Cancels the setting.

Default Set
Press Default Set on the individual setting screen to return the setting to the default. If you press
Default Set on the Quality Adjustment screen, all quality adjustment settings are returned to the default.

Reference