HP (Hewlett Packard) LaserJet 4050se (C4255A) 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 17 pages per minute. The HP LaserJet 4050se 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 envelopes, greeting cards, transparencies, labels, plain paper and postal card paper. It's media sizes are A5, B5, 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 8 MB RAM and parallel connectivity. HP LaserJet 4050se uses 27A and 27X black cartridge. Cartridge model numbers are C4127A and C4127X.