OKI MC853dn Multi Function Colour Printer (45850404) - Copy - Copy Speed: A4 23 cpm color, 23 cpm mono, Print - Print Speed: A4(Landscape) 23 ppm color, 23 ppm mono, A3 13 ppm color, 13 ppm mono, Printing Resolution: 600 x 1200 dpi (4 levels), Memory (Std./Max.): 1,280MB/1,280MB, Interface: 1000BASE-T/100BASE-TX/10BASE-T, USB 2.0 (High Speed), (Optional) Wireless LAN (IEEE802.11a/b/g/n), USB 2.0 (High Speed) Host, Supported OS: Windows 8.1, Windows 8.1 x64, Windows 8, Windows 8 x64, Windows 7, Windows 7 x64, Windows Vista, Windows Vista x64, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 R2, Windows Server 2008, Windows Server 2008 x64, Windows Server 2003, Windows Server 2003 x64, OS X 10.10, OS X 10.9, OS X 10.8, OS X 10.7, Mac OS X 10.6, Linux, Scan: Scan Speed: Max. 50 ipm Color, 50 ipm mono, Scan Resolution: Max. 600 x 600 dpi, Interfaces: 1000BASE-T/100BASE-TX/10BASE-T, USB 2.0 (High Speed), (Optional)Wireless LAN (IEEE802.11a/b/g/n), USB 2.0 (High Speed) Host, Driver: TWAIN, WIA2.0(Windows Vista or later), ICA(Mac OS X 10.6 or later), Fax - Communication Speed: Super G3: 33.6kbps, Transmission Resolution: Normal: 8 dots/mm x 3.85 lines/mm, Memory: Max. 8192 pages (256MB)