The Brother HL-2130 is small in size but is big on efficiency with a fast 20 pages per minute print speed (the first in less than 10 seconds). It also features an impressive 250-sheet paper capacity saving you time too, with less need for refilling. The HL2130 also helps to keep the costs down with separate drum and toner and Energy Star approved technology Print Speed Monochrome Up to 20 ppm Up to 2400x600 dpi print resolution Media Sizes: A4, Letter, B5(ISO), A5, A6, B6, Executive System requirements: Windows 7/2000/XP/Vista, Mac OSx10.4.11 or greater, Linux 8MB memory USB 2.0 High speed connection Display: 4 LED lights: toner, drum, paper and ready 1 Year Warranty WxDxH: Without Carton 368x360x183 mm Weight: Without Carton 6.7 Kg Separate drum and toner, only replace the one thats run out Energy Star certified, meaning low energy usage Manufacturer Reference: HL2130U1