Built for speed and performance, the imageCLASS MF6580 Series is a powerful duplex copier designed to produce and share high-quality laser output. The imageCLASS MF6580 copies and prints at up to 23 pages-per-minute for high-quality letter-size documents. A large supply of paper can conveniently be utilized from either the 500-sheet front-loading paper cassette or the 100-sheet multipurpose tray. The multipurpose tray can accommodate a variety of sizes and types of paper stock such as bond, plain and color paper, transparencies, labels and envelopes for special projects. Use the legal-size platen glass for single-page originals or the 50-sheet Duplex Automatic Document Feeder (DADF) for multi-page originals. The benefit of DADF is that it allows you to copy, fax, and color scan from one or two-sided originals and produce two-sided output. Fax and receive documents with speed and ease. Documents will transmit with Super G3 (33.6 Kbps) modem speed, which keeps phone line costs down. With a host of convenient features like 23 Speed Dials, 100 Coded Dials, and a generous 1, 000 pages of incoming reception memory, faxing will be simple and effortless. Built for reliability and ease-of-use, the imageCLASS MF6580 Series, using Canon's exclusive Single Cartridge System, as well as years of fine-tuned copying and printing know-how, will attest to Canon's commitment to providing products with a level of quality and expertise that ensures your office runs effectively.