Designed for efficient, high-volume scanning, the imageFORMULA DR-G2110 Document Scanner from Canon is a duplex ADF scanner with a spacious input tray that holds up to 500 sheets at a time. The unit produces files at optical resolutions up to 600 dpi, and it accepts documents as small as 2 x 2.8" and as large as 12 x 220.1". With impressive production speeds, the DR-G2110 digitizes letter-sized, dual-sided documents at a rate of 110 ppm in simplex and 220 ipm in duplex, and the scanner has an impressive duty cycle rated for 50,000 pages per day.