Samsung Color Multi Function Printer ProXpress C2670FW. Print Speed (Black) 27ppm Print Speed (Color) 27ppm Fax Speed 33.6 kbps Scan Resolution Optical: Up to 1,200 x 1,200 dpi, Enhanced: Up to 4,800 x 4,800 dpi Effective Resolution(Max) 9,600 x 600 dpi Effective Output (600 x 600 x 4 bit) Technology Scan, Print, Fax Print Language SPLC / PCL5Ce / PCL6 / PS / PDF / XPS Processor Dual Core (Main: 533 MHz / Bus: 150 MHz) Fax Memory 1.2GB Memory 512GB (1GB) Paper Capacity Std : 250 / MP : 50 / Max: 820. Paper Type 3 x 5 - 8.5 x 14 (Plain Paper / Thin Paper / Bond / Punched / Pre-Printed / Recycled / Envelope / Label / CardStock / Letterhead / Thick / Colored->Color / Archive / Cotton) Connectivity USB 2.0, Ethernet 10/100/1000, 802.11 b/g/n, Passive NFC Monthly Duty Cycle 60,000 Toner Yield Initial: 2K/1.5K, High Yield: 6K/3.5K. Special Features NFC Tap&Print, 4.3 Touchscreen LCD UI, XOA-Web Enabled, Scan, Fax, Print OS Compatibility Window: XP(32/64bit) / Vista(32/64bit) / 2003 Server(32/64bit) / 2008 Server(32/64bit) / Win7(32/64bit) / 2008 Server R2(64bit) / Win8(32/64bit) / Win8.1(32bit/64bit) / 2012 Server(64bit) / 2012 Server R2(64bit), Various Linux Mac OS: X 10.5 - 10.9