HP (Hewlett Packard) LaserJet 2100se (C4138A) is a monochrome (black and white), workgroup printer, ideal for a business environment. The HP laserjet 2100se 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. It's has a maximum total media capacity of 350 sheets. It includes Tray 1: a 100 sheet multi-purpose tray, Tray 2: a 250 sheet tray. It's media types are Envelopes, Transparencies, Plain paper, Postal card paper and Labels. It also features 4 MB RAM, parallel, infrared and USB connectivity and a bonus Mips software included. HP laserjet 2100se uses 96A black cartridge. Cartridge model numbers is C4096A.