HP 730 300-ml Gray DesignJet Ink Cartridge

HP DesignJet T1600 36" (3EK10A), HP DesignJet T1600dr 36" (3EK12A), HP DesignJet T1700 44" (W6B55A), HP DesignJet T2600 36" PostScript? MFP (3XB78A), HP DesignJet T2600dr 36" PostScript? MFP (3EK15A), HP DesignJet T940 36" (3EK08A), HP DesignJet XL 3600 3