The Canon i-SENSYS MF455DW is a high-performance laser multifunction printer with a scanner, copier, fax, and black-and-white printing capabilities. It produces 38 sheets of printable material per minute. Its warm-up time is 14 seconds. It can print on envelopes. The first page prints in 5.5 seconds. It scans documents at a rate of 38 pages per minute in black and white and 13 pages per minute in color.