Printronic Remanufactured Ink Cartridge Replacement for HP 15 C6615DN HP 78 C6578AN (2 Black 1 Color) Brand: Printronic Individually factory sealed with Printronic labeling Remanufactured under strict standards One year factory warranty against product defect **PLEASE BE AWARE THAT DUE TO PRINTER PROGRAMMING THE INK LEVEL FOR THIS PARTICULAR CARTRIDGE MIGHT DISPLAY EMPTY ON THE PRINTER HOWEVER THE CARTRIDGE IS FULL**