Scan 18 double-sided pages per minute Advanced features for the ultimate ease of use, Auto paper size detection Auto de-skew Auto blank page removal Instantly create searchable PDF files Scan directly to Microsoft Office Applications Quickly organize business card information Increase productivity with enhanced functionality Simple installation and operation in a compact design Advance Exchange service program maximizes uptime Scanner Type: ADF (Automatic Document Feeder), Duplex color scanning Output: Color/B&W/Automatic color and Bi-tonal detection Image Sensor: 2x Color CCD (charged coupled device) Optical Resolution: 600 dpi Scanning Speed (A4): Normal mode: Color 150dpi, B&W 300dpi - Duplex 18 pages per minute/36 images per minute Better mode: Color 200dpi, B&W 400dpi - Duplex 12 pages per minute/24 images per minute Best mode: Color 300dpi, B&W 600dpi - Duplex 6 pages per minute/12 images per minute Excellent mode: Color 600dpi, B&W 1,200dpi - Duplex 0.6 pages per minute/1.2 images per minute Scanning Range: A4, A5, A6, B5, B6, Business card, Letter, Legal and Custom sizes (can be set for Upto 5 different paper types) / Automatically recognizes paper type by paper length Use of Carrier sheet permits the scanning of A3, B4, double letter and photographs as well as those listed above Paper Weight (Thickness): 14 to 34 lbs / 52 to 127 g/m2 Hopper Capacity: 50 Sheets (20lbs) Interface: USB 2.0 (USB 1.1 Compatible) Operating System: Windows 2000 Pro (SP4)/ XP (SP2)/ VISTA (32-bit) Power Requirement: 100 to 240 VAC, 50 to 60 Hz Power Consumption: Operating- 28W or less; Standby- 6W or less; Sleep- 1W Dimensions (WxDxH): 11.2 x 6.2 x 6.2 inch / 284 x 157 x 158 mm Weight: 5.9 lbs.