Open the Ink tray in the centre of your Printer, there you will see top lid to uplift the ink cartridge. Press down on the Ink cartridge to  take it out it from the Ink holder.You will hear a click sound, now pull it the rest of the way out. Open your new Ink Cartridge and remove the protective tab on it. Don’t try to touch the nozzle ink area. Touching this area can cause clog. Now insert your new Cartridge into older place, when you hear click, it will almost done.