User's Manual

No ASR – NP – 20847 – 01
2
5-2. Image scanning
5-2-1.Imaging method
Monochrome Contact Image Sensor (CIS). This sensor can be used as a
full-color sensor by the switching method with three colors LED.
5-2-2. Lighting source
R, G, B, and IR LED
Each wavelength is R: 630 nm, G: 520 nm, B: 465 nm and IR: 940 nm
5-2-3.Image format
BMP image format
5-2-4.Imaging flow
At 300 dpi: It is possible to take picture of three kinds of images at once.
Front face full-color and
Front face infrared grayscale and
Back face photopic grayscale.
At 600 dpi: It is possible to take picture only of one kind of times images.
Front face photopic grayscale
Or
Back face photopic grayscale
5-2-5.Imaging functions
At 300 dpi
Light source R,G,B
Resolution 300 dpi
Scan area See Figure2
Front face full-color
Color Full color
Light source IR
Resolution 300 dpi
Scan area See Figure2
Front face infrared
gray scale
Color 8 bit grayscale
Light source Mixed R,G,B
Resolution 300 dpi
Scan area See Figure2
Back face photopic
grayscale
Color 8 bit grayscale