Scanner typeSheetfed Scan file formatFor text & images: PDF, PDF/A, Encrypted PDF, JPEG, PNG, BMP, TIFF, Word, Excel, PowerPoint, Text (.txt), Rich Text (.rtf) and Searchable PDF Scan resolution, opticalUp to 600 dpi Duty cycle (daily)Recommended daily duty cycle: 3500 pages Bit depth24-bit (external), 48-bit (internal) Levels of grayscale256 Multifeed detectionNo Media typesCut Sheet Paper, Printed Paper (Laser and ink), Pre-Punched Paper, Bank Checks, Business Cards, Freight Bills, Carbonless forms, Previously stapled media with staple removed, Plastic cards (up to 1.24mm) Digital sending standard featuresScan to PC Scan input modesOne default scan mode on front-panel for HP scan in Win OS, HP Easy Scan/ICA in Mac OS and third parties applications via TWAIN, ISIS and WIA Scanner advanced featuresAuto exposure, Auto threshold, Auto detect color, Background smooth/removal, Auto detect size, Straighten content, Enhance content, Multi-streaming, Auto feed, Auto orient, Multi-color dropout, Channel color dropout, Edge erase, Delete blank page, Merge pages, Hole fill, PDF permissions, Document separation (Blank page, Barcode, Zonal barcode, Zonal OCR) Control panelScan button, Power button with a LED and a LED for Error indication Mac compatibleYes Automatic document feeder capacityStandard, 50 sheets Automatic document feeder scan speedUp to 35 ppm/70 ipm Scanning options (ADF)Single-pass duplex Scan size (ADF), maximum216 x 3100 mm Scan size (ADF), minimum50.8 x 50.8 mm Media weights, supported ADF40 to 210 g/m2 Connectivity, standardUSB 3.0