HP (Hewlett Packard) LaserJet 2100m (C4171A) is a monochrome (black and white), workgroup printer, ideal for a business environment. It has a 1200 x 1200 dpi resolution with HP's Resolution Enhancement technology, which makes each print clearer and sharper. It's print speed is 10 pages per minute with first page out in 17 seconds. The HP laserjet 2100m has a maximum input capacity of 600 sheets and output capacity of 150 sheets. It's media types are Postal card paper, Heavy-weight coated paper, Letter weight paper, Transparencies, Envelopes, Labels and Plain paper. It also features a 100 sheet multi-purpose Tray 1, a 250 sheet Tray 2, manual duplexing, 8 MB RAM, parallel, infrared and USB connectivity. HP laserjet 2100m uses 96A black cartridge. Cartridge model numbers is C4096A.