HP Vivid photo inks for the HP Designjet Z9 are designed to get absolute color accuracy and superior gloss uniformity tied with accurate reproduction of PANTONEĀ® colors using new HP High Definition Nozzle Architecture (HDNA) to provides a true 2400 dpi from 2 rows of offset print nozzles at a 1200 nozzles per inch density per inch definition. Twice the nozzle density of non-HDNA HP printheads.