Photoelectric Device
Optical Resolution
Hardware Resolution
Maximum Resolution
Effective Pixels
Color Hardware Bit Depth
Grayscale Hardware Bit Depth
Automatic Document Feeder
Buttons
Maximum Read Area
Light Source
Interface
Scanning Speed
Reliability
Environment Conditions
Power Requirements
Windows Requirements
Macintosh Requirements
Physical Dimensions
Software
Manufacturer's Warranty
HP scanjet 5590 color flatbed 2400dpi 48-bit USB 2.0 (retail)
INFORMATICS wasp wlp4170 bar code scanner USB (retail)
FUJITSU fi-5110c 15ppm 600dpi duplex document scanner (retail)
VISIONEER 262 duplex scan 33ppm USB 2.0 w/automatic document feeder (retail)