Ricoh SP-1425

Quick overview from the supplier:

Scanner Ricoh SP-1425 Scanner Type: ADF (Automatic Document Feeder) / Flatbed, Duplex Scanning Speed (A4 Portrait), (Color/Grayscale/Monochrome) ADF: Simplex: 25 ppm (200/300 dpi), Duplex: 50 ipm (200/300 dpi) Flatbed: 4 seconds (200/300 dpi) Image Sensor Type: Single line CMOS-CIS x 2 (front / flatbed x 1, back x 1) Light Source: 3 Color LED x 2 (front / flatbed x 1, back x 1) Optical Resolution: 600 dpi Output Resolution: (Color / Grayscale / Monochrome) 50 to 600 dpi (adjustable by 1 dpi increments), 1,200 dpi (driver) Output Format: Color: 24-bit, Grayscale: 8-bit, Monochrome: 1-bit Background Colors: ADF: White, Flatbed: Black Document Size (ADF) Maximum: 216 x 356 mm (8.5 x 14 in.) Minimum: 114 x 140 mm (4.5 x 5.5 in.) Long Page Scanning: 3,048 mm (120 in.) Document Size (Flatbed): Maximum 216 x 297 mm (8.5 x 11.7 in.) Paper Weight (Thickness): 52 to 127 g/m2 (14 to 34 lb) ADF Capacity: 50 sheets (A4 80 g/m2 or Letter 20 lb) Expected Daily Volume: 4,000 sheets Multifeed Detection Overlap detection (Ultrasonic sensor) Interface: USB 2.0 / USB 1.1