TopJet Compatible Canon Ink PGI-451 Black Inkjet Cartridge delivers sharp, clear, and reliable printing for everyday home or office use. Designed for Canon iP7240, MG5440, MG5540, MG5640, MG6340, MG7140, and MG7540 printers, it offers smooth performance and consistent ink quality. Packed in a retail box, this cartridge is an affordable replacement option for high-quality black prints.