Scanner Type: Color Charge Coupled Device (CCD) x 2 Resolution: 600 dpi Speed: Mono/Color - 120ipm/80ipm Interface: Ultra SCSI (50m) / High Speed USB 2.0 Other: Ultrasonic Double Feed Detection, Intelligent Multi-Feed Function (iMFF), Paper Protection Function, Embossed Card Scanning Capability, Long Document Scanning, Automatic Color Recognition, Automatic Paper-Size Detection, Automatic De-skew Correction, Selectable White & Black Background (in ADF only).