Epson 660 - Manual (Page 88)

Scanning
Scanner type Flatbed, color
Photoelectric device Color CCD line sensor
Effective pixels 5056 x 6960 pixels at 600 dpi, 100%
Document size 214 x 294 mm (8.4 x 11.57 inches)
Scanning resolution 600 dpi (main scan)
1200 dpi (sub scan)
Output resolution 50 dpi to 9600 dpi
Color separation RGB color filters on CCD
Zoom 10 to 3200%
Image data 16 bits per pixel per color internal
8 bits per pixel per color external
Brightness Gamma correction controls Brightness
Density level 1 to 10
Line Art settings Threshold Range 0 to 255
Gamma correction Tone adjustment by Gamma control tool
Color correction Monitor (sRGB, user setting)
Printer (user setting)
Device profile
Interface USB (Type B Receptacle Connector)
Light source White cold cathode fluorescent lamp
Reliability 30,000 cycles of carriage movements (main unit MCBF)
Dimensions Width: 278 mm (10.9 inches)
Depth: 432 mm (17.0 inches)
Height: 80 mm (3.1 inches)
Weight Approx. 4.0 kg (8.8 lb)