Fast 2-Sided HP ScanJet Pro 3600 F1 up to 30 ppm Auto Document Feeder & Scanning: Important Details CIS scanning technology; type of scanner: ADF; The flatbed optical scan resolution ADF, color and mono, up to 600 dpi; flatbed, color and mono, up to 1200 dpi Bit depth: 24 bits for external use and 48 bits for internal use Duty cycle (daily) 3000 pages per day is the recommended duty cycle (ADF). Automatic feed of documents