Colour: up to 12 ppm Black: up to 15 ppm Maximum paper size: 216 x 356 mm Print resolution: up to 1200 x 2400 dpi Standard paper capacity: Main Tray: 150 sheets, Bypass Tray: 10 sheets Manual two-sided printing 384 MHz processor 128 MB memory Windows (including 7) and Mac compatible Minimum dimensions (w x d x h): 394 x 304 x 233 mm Power requirements: 240 V, 50/60 Hz Print speed (black, normal quality, A4): 15 Network ready: Y Colour: Y Internal memory: 128 Number of print cartridges: 4 Operating relative humidity range: 10 - 85 Mac compatibility: Y Print technology: LED Energy Star certified: Y Processor clock speed: 384 Standard interfaces: Ethernet,USB 2.0 Power consumption: 180 Mac operating systems supported: Y Linux operating systems supported: Y Power consumption (standby): 31 Server operating systems supported: Windows Server 2003,Windows Server 2008 Power consumption (PowerSave): 9 ISO A-series sizes (A0...A9): A4 Multi-Purpose Tray capacity: 10 Number of standard paper trays: 2 Standard tray media weight: 60 - 163 Multi-Purpose Tray media weight: 60 - 163 Custom media width: 76.2 - 127 Custom media length: 215.9 - 355.6 Dimensions (WxDxH): 394 x 304 x 233 Security features: IP filtering, IPv6, SNMPv2 I/O ports: 10/100BaseTX Ethernet, USB 2.0