This is a professionally remanufactured Canon CL51 high-capacity color inkjet cartridge. It is an original Canon CL51 cartridge that has undergone a thorough cleaning process, inspection for shell leakage, and testing of all electrical circuitry. The cartridge is filled with ink to ensure a full yield, although the ink levels may appear low due to changes in printer programming. We offer a 100% Quality Satisfaction Guarantee on our Remanufactured CL51.