Print speed (black, normal quality, A4): 18 Network ready: N Colour: N Internal memory: 2 Number of print cartridges: 1 Operating relative humidity range: 10 - 80 Storage temperature range (T-T): -20 - 40 Package weight: 6350 Package dimensions (WxDxH): 400 x 250 x 298 Mac compatibility: Y Print technology: Laser Minimum system requirements: Windows 7 (32-bit/64-bit): 1 GB RAM; Windows Vista (32-bit/64-bit); Microsoft Windows XP, Server 2008 (32-bit/64-bit), Server 2003: 512 MB RAM; all systems: 350 MB free hard disk space, CD-ROM drive, USB port Energy Star certified: Y Processor clock speed: 266 Standard interfaces: USB 2.0 Power consumption: 360 Wireless LAN (WLAN) connection: N Standard tray media types: Plain paper,Envelopes,Labels,Transparencies ISO A-series sizes (A0...A9): A4,A5,A6 Envelopes sizes: B5,C5,DL Duplex media weight: 60 - 105 Dimensions (WxDxH): 349 x 238 x 196 Maximum resolution: 600 x 600 Standard output capacity for transparancies: 100 Maximum dimensions (W x D x H): 349 x 410 x 228 Recommended operating temperature range (T-T): 17.5 - 25 Input capacity for envelopes (primary tray): 15 Print margin bottom (A4): 4 Print margin left (A4): 4 Print margin right (A4): 4 Print margin top (A4): 4 Media weights by paper path: 60 - 163 g/m² Minimum system requirements for Macintosh: Mac OS X v10.4, v10.5, v10.6; 256 MB RAM; 150 MB available hard disk space; CD-ROM drive; USB port Envelope feeder: N Acoustic power emissions: 6.4 B(A) Quantity per pallet: 96 Pallet dimensions (W x D x H): 1200 x 1000 x 2540 Pallet weight: 632