HP (Hewlett Packard) LaserJet P4015x (CB511A) is a monochrome (black and white), workgroup printer. It has a print resolution of 1200 x 1200 dpi with HP's Image Enhancement Technology, which makes each print clearer and sharper. It has a print speed of 52 pages per minute with first page out in 8.5 seconds. The HP LaserJet P4015x has a 1,100 sheets total input capacity and 600 sheets output trays capacity. The HP LaserJet P4015x media types are envelopes, transparencies, labels, plain paper, glossy paper and cards. It's media size is C5, A5, Executive, B5, A6, A4, Letter A Size, Legal and JIS B5. It has a monthly duty cycle of 225,000 sheets. It also features automatic duplexing, 128 MB RAM, ethernet and USB connectivity. HP LaserJet P4015x uses 64A and 64X black cartridge. Cartridge model numbers are CC364A and CC364X.