Xerox DocuMate 5540 Features:Scans documents at 40 ppm and 80 ipm in duplex* Legal size flatbed 70 page ADF capacity** Create text searchable PDFs in one touch Scans plastic cards through the ADF Programmable OneTouch destinations for workgroups Ultrasonic Double Feed Detection Daily Duty Cycle - 5,000 pages Specifications Image Enhancement Technology: Visioneer Acuity Weight: 18.5 lbs. Simplex or Duplex: Duplex (two side scanning) Interface: Hi-Speed USB (2.0), compatible with USB (1.1) Optical Resolution: 600 dpi ADF Capacity: 70 sheets (20 lb. paper) Visioneer OneTouch Technology (PC): Yes Speed @ 200 dpi, b&w, duplex: 80 ipm Duty Cycle: 5000 pages/day ADF Maximum Paper Size: 8.5" x 14" in ADF Minimum Paper Size: 2.75" x 2" in Dimensions: 27.2" x 12.6" x 17" (W×D×H) Output Bit Depth: 24-bit color, 8-bit grayscale, 1-bit black & white Scan Method: Duplex Automatic Document Feeder Light Source: White LED lamps Maximum Paper Size: 8.5" x 14" in Drivers: TWAIN, WIA, ISIS, Visioneer DriverPLUS Supported Operating Systems (OneTouch 4): Windows 10, 8, 7, Vista, XP Imaging sensor: CCD (Charge Coupled Device) Paper Thickness/Weight: 7-110 lbs. Background Color: ADF Grey, Flatbed Black Speed @ 200 dpi, b&w, simplex: 40 ppm Minimum Paper Size: 0.5" x 0.5" in