Piezography Pro is a carbon ink-based process consisting only of black inks, created in 2016 by Jon Cone. blackprint is using the process since the same year. The system includes a set of warm and cold tone inks, a matt HD-black, a photo black (glossy) and a gloss chroma optimizer. The process allows the mixing of warm and cool black values either throughout the print or by varying them differently on the light, medium or dark tones. This makes it possible to have a totally personalised black and white print. The new Piezography Pro Matte HD Black is the extremely dark matte black and the Gloss Chroma Optimizer completely eliminates gloss differential and tanning. Finally, the white value of the paper is a very important element for the Piezography Pro as its white tone will influence the final black and white tone of the print too.