Scan Specifications Scanner Type: Flatbed Color Image Scanner Optical Sensor: CIS (Contact Image Sensor) Optical Resolution: 4800 dpi1 Hardware Resolution: 4800 x 4800 dpi Effective Pixels: 40,800 x 56,160 pixels (4800 dpi) Color Bit Depth: 48-bits per pixel internal / 24-bits per pixel external Grayscale Bit Depth: 16-bits per pixel internal / 8-bits per pixel external Maximum Scan Area: Flatbed 8.5" x 11.7" Light Source: Three-color RGB LEDs Scanning Speed: Color 300 dpi approximately 10 seconds (via USB 2.0)2 Color 600 dpi approximately 30 seconds (via USB 2.0)2