Genuine HP C9362ee black ink cartridge, number 336, 5ml For the HP DeskJet 5440 & D4160, HP OfficeJet 6310 & 6315, HP PhotoSmart 2570, 2575, 2710, 7850, C3170, C3180 & C3190 and Printer/Scanner/Copier 1507, 1510 & 1510s