Avision AV220D2+ (FF-0901H) - Manual (Page 32)

Example 2：Scanning a two-sided color document, one
in B&W(Drop Blue Color：Threshold：10, Background：
79), the other in color
Side/Image
Selection
Front
Rear
Image Type Description
Color Choose Color if you wish to scan a color
image for your original in color.
Gray Choose Gray image if your original contain
actual shades of gray.
B&W Choose B&W if your original contains only
text, pencil or ink sketch.
B&W Gray Color
4-6