Type Desktop sheetfed scanner Document size Plain paper Width: 50.8mm to 300mm Length: 70mm to 432mm (You can scan documents up to 3,000mm long by setting the scanner to the Long Document mode.) Business card Width: 50.8mm to 55mm Length: 85mm to 91mm Card 54 x 86mm (ISO standard) Document thickness and weight Plain paper U-turn path (page separation): 27 to 128g/m2 (0.04 mm to 0.15mm) U-turn path (non separation): 27 to 164g/m2 (0.04 mm to 0.2mm) Straight path: 27 to 255g/m2 (0.04mm to 0.3mm) Business card 128 to 380g/m2 (0.15mm to 0.45mm) (Use the straight path and place vertically.) Card 0.76mm or less, 1.4mm or less for the embossment (Use the straight path and place vertically.) Scanning sensor Contact image sensor Light source LED Scanning side Simplex / Duplex Scanning modes Black and White, Error Diffusion, 256-level Grayscale, Advanced Text Enhancement, Advanced Text Enhancement II, 24-bit Color Scanning Resolutions *1 100 x 100dpi / 150 x 150dpi / 200 x 200dpi / 240 x 240dpi / 300 x 300dpi / 400 x 400dpi / 600 x 600dpi Scanning Speed *2 Grayscale Simplex: 200dpi: 60ppm 300dpi: 60ppm Duplex: 200dpi: 120ipm 300dpi: 120ipm Colour Simplex: 200dpi: 60ppm 300dpi: 40ppm Duplex: 200dpi: 120ipm 300dpi: 80ipm ADF capacity (80g/m2 paper) A4: 60 sheets A3: 25 sheets Interfaces Hi-Speed USB 2.0