Canon imageClass MF6580 (0564B008) is a monochrome multi-function digital printer. It 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 multi-purpose tray. The multi-purpose 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. Canon imageClass MF6580 uses the legal size platen glass for single page sheet or the 50 sheet duplex automatic document feeder for multi-page sheets. The benefit of duplex automatic document is that it allows you to copy, fax, and color scan from one or two sided documents and produce two sided output. Canon imageClass MF6580 is built for reliability and ease of use. This model uses 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. The Canon imageClass MF6580 uses Canon 106 (0264B001AA) black toner cartridge, with a page yield of approximately 5,000 at 5% coverage. Canon imageClass MF6580 enables users to 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.