std RADF & Duplex, 2400 x 600 dpi copy & print engine resolution : Max. paper size A3 via RADF; Std 300 sheet paper supply (250 Drawer, 50 bypass); 28 ppm, 512 MB memory, Driver Windows, USB 2.0 Major features (Copying functions): Energy Saver, electronic sorting; Zoom 25%-400%, ID Card Copy, Background erase, Dimensions 390 x 540 x 402 mm