HD vs SD
 
CCD Technology
High Quality Fuji Lenses
600dpi optical resolution
Color-matched fluorescent lamp
Face-down scanning
Hardware image processing
3.0ips color speed
12.0ips mono speed
Energy Saver (Contex)
25, 36, 42, 54-inch models
Thick or thin documents
 
CIS Technology
Custom developed CIS modules
1200dpi optical resolution
Red, green, blue LEDs
Face-up scanning
Software image processing
3.0ips color speed
10.0ips mono speed
Energy Star compliant
44-inch
Thin scanning only