ConeColor HD for SureColor HD printers such as the Epson SureColor P600, P800, P6000, P8000. We offer HD ink sets which include high density blacks. Our Ultra HD™ Matte Black is significantly darker than the Epson HD matte black
North American and Canada regions versions of these printers are designed to work only with Epson Brand cartridges. We have a solution for the P-800. You can see that here. But, we do not believe that the P-6000 and P-8000 solutions are stable at this time and in fact they can cause damage to expensive components of these printers.