Compact design and 4-in-1 duplex copying, printing, scanning and fax functionality make the affordable MB451dnw A4 mono multifunction printer an ideal choice for individuals and small workgroups that need quick, comprehensive performance and low running costs High-performance mono printer Advanced LED Technology Print, Copy, Scan, Fax Device Connectivity Technology Wireless Paper Size A4 Printing Technology LED Warranty 3 Years Brand OKI