HP Business Inkjet 3000 2400 1200 4 separate ink cartridges and 4 separate printheads, one for each color (CMYK) http://h20022.www2.hp.com/busprod/specifications/0,12513,series=83387^type=18972^category=64173,00.html?lsidebarLayId=79&rsidebarLayId=64 us-ascii A Postscript Fast CMYK 4-ink printer.<p> PostScript/PCL6 printer based on the Color LaserJet 4600.<p> This printer does not work with HPIJS.<p>