HP (Hewlett Packard) LaserJet 2420n (Q5958A) is a monochrome (black and white), workgroup printer. It has a 1200 x 1200 dpi resolution which makes each print clearer and sharper. It has a print speed of 28 pages per minute with first page out in 10 seconds. The HP laserjet 2420n has a 350 sheets input capacity and 250 sheets output capacity. It includes Tray 1: a 100 sheet multi-purpose tray and Tray 2: a 250 sheet tray. It has a maximum input capacity of 850 Sheets. It's media types are envelopes, plain paper. It also features automatic duplexing, 64 MB RAM, parallel and USB connectivity. HP laserjet 2420n uses 11A and 11X black cartridge. Cartridge model numbers are Q6511A and Q6511X.