HP (Hewlett Packard) LaserJet 1320t (Q7589A) is a monochrome (black and white), high speed, workgroup printer, ideal for a business environment. It has a 1200 x 1200 dpi resolution for a clearer and sharper print. It's print speed is 22 pages per minute with first page out in 8.5 seconds. The HP laserjet 1320t comes standard with a 500 sheet input capacity and 150 sheet output capacity. It also features automatic duplexing, 16 MB RAM, USB port and an Internal HP Jetdirect network port. It includes all of the features of the prior model printer with an optional addition of a second 250 sheet input tray (Tray 3). HP laserjet 1320t uses 49A and 49X black cartridges. Cartridge model numbers are Q5949A and Q5949X .