HP (Hewlett Packard) LaserJet 3390 (Q6500A) is a monochrome (black and white), multifunction printer. It functions as a laser printer, copier, scanner and fax machine. It 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 fax resolution of 203 x 98 dpi. The HP laserjet 3390 has a print speed of 22 pages per minute, copy speed of 19 copies per minute and fax speed of 3 seconds per page. It has a 250 sheets total input capacity and 125 sheets output capacity. It's media types are plain paper (bond, color, glossy, recycle, rough), envelopes, transparencies, labels, cardstock. It also features automatic duplex, 32 MB RAM, parallel and USB connectivity. HP laserjet 3390 uses 49A and 49X black cartridge. Cartridge model numbers are Q5949A and Q5949X.