The imageCLASS MF451dw is designed for small office environments where black-and-white multifunction capability is needed, and productivity, ease of use and large toner and paper capacity are priorities. Print up to 34 pages-per-minute with a first print out in less than six seconds letter. One Pass Duplex Scan allows you to obtain a two-sided scan with one pass through the automatic document feeder. This model has expandable paper capacity of up to 900 sheets and is backed by Canon’s Service and Support network. Machine Functions: Copy Print Scan Printer Type: Laser Maximum Print Speed Black: 34 ppm Network Ready: Yes.