OKI C612N C600 SERIES Printer (46406003) - Print Speed: A4 34 ppm color, 36 ppm mono, Resolution: 1200 x 600dpi, Memory: 256MB (768MB Max), Connectivity: 1000BASE-T/100BASE-TX/10BASE-T, USB 2.0 (High Speed), Paper Size: A4, A5, A6, B5, B6, B6 Half, Letter, Legal 13, Legal 13.5, Legal 14, Executive, Statement, Folio, Index Card (3" x 5") (75 x 125mm), Photo Size (4" x 6", 5" x 7") (100 x 150mm, 125 x 175mm), Envelopes, 16K, Postcard, Return postcard, Banner, Custom Size: Width 64-216 mm x Length 127-1321 mm, Multi-purpose tray: 100 sheets, Input Capacity Tray 1: 300 sheets, Output Capacity: Face Down Max. 250 sheets, Face Up Max. 100 sheets, Supported Operating System: 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 Server 2012 R2, Windows Server 2012, Windows Server 2008 R2, Windows Server 2008, Windows Server 2008 x64, OS X 10.11, OS X 10.10, OS X 10.9, OS X 10.8, Linux