OKI Pro9431 Series Printer(45530407) - Function: Print only, Print Method: Digital 4 LED Full-color Electrophotographic Printing Method, Resolution: 1200 x 1200 dpi , Memory: 2GB, Print Speed: A4(Landscape) 50 ppm color, 50 ppm mono, A3 28 ppm color, 28 ppm mono, Connectivity: 1000BASE-T/100BASE-TX/10BASE-T, USB 2.0 (High Speed), Paper size: SRA3, SRA4, A3+, A3, A4, A5, A6, B5, B4, Tabloid extra (12" x 18"), Tabloid (11" x 17"), Legal 13, Legal 13.5, Legal 14, Letter, Executive, Index Card (3" x 5") (75 x 125mm), Statement, Envelopes, Postcard, Return postcard, Banner, B6 Half, B6, 8K, 16K, Custom Size: Width 64-330 mm x Length 89-1321 mm, Paper handling: Tray 1 : 52 - 320 gsm, Additional Tray : 52 - 320 gsm, Multi-purpose tray : 52 - 360 gsm, Operating systems: Windows 10, Windows 10 x64, Windows 8.1, Windows 8.1 x64, Windows 8, Windows 8 x64, Windows 7, Windows 7 x64, Windows Vista, Windows Vista x64, Windows XP, Windows XP x64, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 R2, Windows Server 2008, Windows Server 2008 x64, OS X 10.10, OS X 10.9, OS X 10.7, Mac OS X 10.6, Mac OS X 10.5, Linux