This professionally remanufactured Epson matte black (T059820) inkjet cartridge is an original Epson T0598/T059820 ink-jet cartridge which has been through one cycle of service and has been recharged. This Epson T059820 ink cartridge has been thoroughly cleaned along with the printhead nozzles. Then the Epson T059820 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. The ink monitoring chip on this remanufactured Epson T059820 is the original chip which has been reset to provide accurate ink monitoring. If the T0598 matte black inkjet cartridge passes our rigid standards, it has been remanufactured for your Epson printer! We offer a Two Year 100% Quality Satisfaction Guarantee on our remanufactured T059820 ink cartridge.