MODEL NUMBER : DS-410 Scanner Type : A4 sheet-fed, one-pass duplex colour scanner Sensor : Contact Image Sensor (CIS) x 2 Scanning Method : Fixed carriage and moving document Light Source : RGB LED Optical Resolution : 600 x 600 dpi Output Resolution : 50 - 1,200 dpi (in 1 dpi increments) Bit Depth Colour : 48-bit input, 24-bit output Greyscale : 16-bit input, 8-bit output Black & White : 16-bit input, 1-bit output Document Size Minimum : 50.8 x 50.8 mm Maximum : 215.9 x 3,048 mm Supported Paper Weight : 50 - 209 g/m2 , Less than A8 size: 127 - 209g/m2 ADF Capacity : 50 sheets (80g/m2) Daily Scan Volume : up to 3,000 sheets / day Multi-feed Detection : Length Detection Interface : USB 2.0