Enhanced with innovative features, the compact desktop Smart Office PS506U features fast scanning speeds, a high daily duty cycle, robust paper handling capabilities, & an ultrasonic double-feed detection with outstanding image quality. The Smart Office PS506U features one of the most advanced document feeding & separation system in the industry. This system allows the Smart Office PS506U to scan mixed batches of varying paper sizes & weights. Able to handle everything from business cards to rigid ID cards & documents, the Smart Office PS506U easily scans both sides of one sheet in just one pass. The automatic document feeder (ADF) is also robust enough to feed up to three hard cards continuously or an embossed card up to 1.2 mm in thickness.