Built-in Hi-Speed USB 2.0 interface to connect to your computer for up-to 21 ppm laser printing.Help lower your cost per page by using the optional high capacity replacement toner cartridge.Whether you're printing incoming faxes or making copies at up to 21 cpm, you can expect high-quality laser output.Fast fax communication of 33.6 Kbps with Super G3 modem (approx. 2.5 sec./page) and memory up to 400 pages.20-page capacity auto document feeder for faxing and copying multiple pages, up to legal size.A high-capacity, 250-sheet front-loading paper tray is easily accessible and helps reduce the time spent reloading paper. It also adjusts to hold either letter or legal size paper.Save time and automatically send the same fax message to more than one fax number (up to 272 broadcasting locations) or scan a fax into memory while another fax is being sent or received (dual access).