This professionally remanufactured Epson black (T078120) inkjet cartridge is an original Epson T0781/T078120 ink-jet cartridge which has been through one cycle of service and has been recharged. This Epson black T078120 ink cartridge has been thoroughly cleaned along with the printhead nozzles. Then the Epson T078120 was filled with the same ink formula, the internal back pressure was insured and then it was inspected for any possible shell leakage, tested the operation of all electrical circuitry and finally run through an actual print test. If the T0781 black inkjet cartridge passes our rigid standards, it has been remanufactured for your Epson printer! We offer a 100% Quality Satisfaction Guarantee on our remanufactured T078120 ink cartridge.