Automatic document feeder allows unattended two-sided, multi-page scanning. One-touch buttons let you scan, copy, print, e-mail, and more. Hi-Speed USB 2.0 connection plug and play operation. Preview scans within seven seconds for maximum productivity. Convenient copy center buttons let you choose copy quantity, settings, and more. 2400 dpi optical resolution and 48-bit color deliver high-resolution scanning. Adjustable lid accommodates books, documents, and 3-D objects. Transparent materials adapter enables you to scan slides and negatives.