This professionally remanufactured Canon BC-23 Black inkjet cartridge is an original Canon BC-23 Black ink-jet cartridge which has been through one cycle of service and has been recharged. The BC-23 Black ink cartridge has been thoroughly cleaned along with the printhead nozzles. Then the original BC-23 is inspected for any possible shell leakage, tested on the operation of all electrical circuitry and finally ran through an actual print test. If the inkjet cartridge passes our rigid standards, it is a remanufactured BC-23 for your Canon printer!We offer a 100% Quality Satisfaction Guarantee on our Remanufactured BC-23.