The MX320 Series offers print speeds up to 38 pages per minute, plus fax, automatic document feeder, and copy functions powered by a standard multi-core processor and a full gigabyte of memory. And up to 350 sheets of standard input can grow to 900 with optional trays.
Get the spec sheet for more details.
MX321adn P/N: 36S0620
MX321adw P/N: 36S0640