NUINKO 2 Pack Remanufactured HP 63XL Ink Cartridge F6U64AN for HP Envy 4520 Deskjet 3630 2130 2132 3632 3634 OfficeJet 3830 4650 Printer (2 Black) Brand: NUINKO For use with HP printers: Please verify your printer model for compatibility below When installing the cartridge you may receive a low ink alert such as, Refilled or Depleted Cartridge Detected. Please press CONTINUE or OK to continue printing. Ink levels are NOT accurate for remanufactured cartridges because the cartridge chip is unable to be reset. After installing you may also receive an alert that says, Used, Refilled, or Counterfeit Cartridge Detected. This alert is triggered because the printer recognizes the remanufactured cartridge as a refilled cartridge. Please press CONTINUE or OK to continue printing. 2 Black