Hi! My name is ***** ***** I'm happy to help!
In order to change the ink you must go into settings and tell the printer that you are changing the ink.
1. Press the Home button.
2. Go to Setup (not WIFI setup, just plain setup) Press OK
3. Arrow over to maintenance Press OK
4. Arrow over to ink cartridge replacement and press OK
Open the printer and the printhead should move. For a video to follow along, CLICK HERE.