Formulated to deliver the highest performance with even greater image quality, highly accurate color reproduction & superior print longevity, DST ultra premium ink is manufactured to the highest standards specifically for Hewlett Packard's Designjet 1000 Series ink supplies. This ultra premium pigment based ink also provides exceptional durability & media compatibility. Our colors are a dead on match of the original & 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.