The HP Designjet T610/T620/T770/T790 ink range consists of the HP 72 ink family. This high quality compatible ink comes in 6 colours;
Matte Black - C9403A
Photo Black - C9370A
Grey - C9374A
Cyan - C9371A
Magenta - C9372A
Yellow - C9373A
These inks come in 69ml Individual Cartridges or an 6 Colour Set and 130ml Individual Cartridges or an 6 Colour Set.
Matching OEM quality and performance, they are Plug & Play so you don't have to either flush your machine or adjust the colour profiles you are already running.
The HP 72 ink formulation provides you with excellent quality and reliability on every print.