HP (Hewlett Packard) LaserJet 3050 (Q6504A) is a monochrome (black and white), multifunction printer. It functions as a laser printer, copier, fax machine and scanner. The HP laserjet 3050 has a print resolution of 1200 x 1200 dpi which makes each print clearer and sharper. It has a scanner optical resolution of 600 x 600 dpi, copier optical resolution of 600 x 600 dpi and standard fax resolution of 203 x 98 dpi. It has a print speed of 19 pages per minute and copy speed of 19 copies per minute. It has a 260 sheets total input capacity and 100 sheets face down output capacity. It includes Main tray: 250 sheet multi-purpose tray, Priority feed: 10 sheet tray and Automatic document feeder: 30 sheet tray. It's media types are paper (plain, preprinted, prepunched, bond, colour, glossy, letterhead, light, heavy, recycled, rough), envelopes, transparencies, labels, cardstock. It also features 64 MB RAM, parallel and USB connectivity. HP laserjet 3050 uses 12A and 12X black cartridge. Cartridge model numbers are Q2612A and Q2612X.