Optimise your printing results with the HP 45 Black Ink Cartridge. This No. 45 Black Ink Cartridge from HPfeatures an easy-to-view ink level indicator so you'll never be caught out in the middle of an important print job. The HP-45 Black Ink Cartridge is compatible with HP Officejet G55, G55xi, G85, G85xi, G95, K60, K80, K60, K60xi, K80, K80xi, R40, R40xi, R45, R60, R65, R80, R80xi, T45, T45xi, T65, T65xi, 1170c OJ 1170cse, 1175c, 1175cse, 1175cxi, 1150c, 1150cse, Deskjet 710c, 712c, 720c, 722c, 815c, 820c, 820cxi, 820ce, 830c, 832c, 850c, 850cxi, 855c and 855cse printers.