The H771 is formulated to deliver the highest performance with even greater image quality, highly accurate color reproduction and superior print longevity, DST ultra premium ink is manufactured to the highest standards specifically for Hewlett Packard's Designjet Z6200 series. This ultra premium pigment based ink also provides exceptional durability and media compatibility. The H771P is a dead on match of the original and since it's so incredibly close to the original there's no need to change the color profile or flush the lines. It's Plug & Play just like the original.