This versatile multifunctional printer packs a lot of features into a compact design. Printing at 40 black-and-white A4 page per minute and at 1,200 by 1,200 dpi the SP 4510SF combines speed with quality output. With the single pass duplex scanner the SP 4510SF can scan both sides of an original colour document in a single pass for fast distribution to e-mail, folder, USB, FTP, SMB, or URL. The advanced GWNX controller offers sophisticated functionality previously available only from premium priced systems.