Print Speed (Black): 24 ppm Effective Resolution(Max): 1,200 x 1200 dpi Print Language: SPL Processer 300 MHz Memory: 8 MB Paper Capacity: 250 sheet cassette tray, 1-sheet multi-purpose bypass Paper Type: Plain ,Thin, Cotton, Recycled, Archive, Colored, Pre- Printed, Label, Bond, Thick, Envelopes, Cardstock, Transparency Connectivity: Hi-speed USB 2.0 Monthly Duty Cycle: 12,000 pages, Toner Yield: Standard: 1.5K; High: 2.6K (starter 1K) Warranty: 1 year Special Features: Easy Print Screen button; FPOT less than 9 seconds (from Ready Mode); noise level less than 50 dB, Power Consumption: Sleep Mode: less than 5W; Ready: less than 60W; Average: less than 360W OS Compatibility: Windows 2000/XP/Vista/2003 Server/2008 Server, Various Linux OS, Mac OS X 10.4 10.6