HP (Hewlett Packard) LaserJet 4000 (C4118A) is a monochrome (black and white), workgroup printer. The HP LaserJet 4000 has a print resolution of 1200 x 1200 dpi which makes each print clearer and sharper. It has a print speed of 17 pages per minute. It has a 600 sheets total input capacity and 125 sheets output capacity. It includes Tray 1: 500 sheets tray and Tray 2: 100 sheets tray. It's media types are greeting cards, transparencies, envelopes, labels and plain paper. It also features 4 MB RAM, parallel and USB connectivity. HP LaserJet 4000 uses 27A and 27X black cartridge. Cartridge model numbers are C4127A and C4127X.