This is a compatible HP 771A inkjet cartridges combo; includes 1 each of the HP 771A - matte black (B6Y15A), chromatic red (B6Y16A), magenta (B6Y17A), yellow (B6Y18A), light magenta (B6Y19A), light cyan (B6Y20A), photo black (B6Y21A), light grey (B6Y22A) ink cartridges. These cartridges are made to compare to the original in terms of both quality and page yield standards. These cartridges are compatible with: Designjet Z6200 / Z9000