HP (Hewlett Packard) LaserJet 4100 (C8049A) is a monochrome (black and white), workgroup printer. It has a print resolution of 1200 x 1200 dpi with HP's Resolution Enhancement technology, which makes each print clearer and sharper. It has a print speed of 25 pages per minute with the first page out in 12 seconds. The HP LaserJet 4100 has a 600 sheets total input capacity and 300 sheets output capacity. It includes one 100 sheet tray and one 500 sheet tray. It's media types are bond, special application, and recycled papers. Transparencies and labels designed for laser printers. It's media sizes are A5, Letter A Size, A4, Executive and Legal. It has a monthly duty cycle of 65,000 pages and a 1 year manufacturer warranty. It also features 16 MB RAM infared, USB and parallel connectivity. HP LaserJet 4100 uses 61A and 61X black cartridge. Cartridge model numbers are C8061A and C8061X.