HP DeskJet 816C 600 600 51645 (black), C1823 (tri-color) us-ascii A hpijs I didn't find anything about this model on HP's home page. Probably similar to the DeskJet 815C. The developers of HP's "hpijs" driver list it as a supported device.<p> To get its maximum quality, use the "hpijs" driver.<p>