this economical and reliable device can scan at up to 40 pages per minute and meet the needs of medium and large businesses looking for a way to improve the document processing process. with a 200-sheet a3 automatic document feeder (adf), one-sided, double-sided scanning and duplicate scanning, this scanner scans the scanner quickly and without any problems.scanner type: a3 flatbed scannertemplate format: a3, a4, a5, a6, b4, b5, b6, letter, legal, executivescan resolution [dpi]: 600color depth [bits]: 48interface: usb 2.0 type b, ethernet (ipv6 support)dimensions [w x h x d mm]: 640 x 289 x 522weight [kg]: 27.38supported os: mac os, vista, windows 7, xpscope of delivery: main unit, epson network interface panel, power cable, installation instructions, software (cd), warranty documentadditional information: automatic feeding (200-sheet a3 tray)warranty: 1 year