NUINKO 2 Pack Remanufactured HP 61 Ink Cartridge Black CH561WN for HP ENVY 4500 5530 4502 4504 Deskjet 2050 3050 2540 1050 1510 1000 1010 3050A 2542 2544 2510 3510 1512 OfficeJet 4630 2620 4632 Printers 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