HP 82 ink is compatible with the following printers: DesignJet 500, 500PS, 510, 800, 800PS, 815MFP, 820MFP, cc800ps Package Inclusion: 1 pack of HP 82 Magenta compatible ink cartridge C4912A Compatible with the Designjet 800 printhead HP 82 cartridge Page Yield*: 3,200* each cartridge Capacity (ml): 69*. *at 5% coverage (ISO/IEC standard) This remanufactured LD cartridge for HP Design jet 500 ink comes equipped with an ink indicator chip that accurately tracks your ink levels and communicates with your printer to be sure you are receiving the best quality print possible Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.