HP Color LaserJet 5500 600 600 1 print cartridge (with toner and drum) per color (Cyan, Magenta, Yellow, blacK) http://h20022.www2.hp.com/busprod/overview/0,12512,series=83875^type=18972^category=64173,00.html?lsidebarLayId=106&rsidebarLayId=63 http://www.linuxprinting.org/download/PPD/HP/20030721/hp_color_LaserJet_5500.ppd us-ascii A Postscript Fast wide-format colour laser printer which does 21 letter-sized pages/min in both color and grayscale. As the HP Color LaserJet 4600 it processes all four colours simultaneously.<p> Various flavors are available, with networking, extra trays, etc.<p> Duplex in the "D" models, there is no optional duplex for the other models.<p>