Epson WF-110 Series Manual page 96

User's Guide
Important:
c
Do not touch the sections shown in the illustration. Doing so may prevent normal operation and printing.
4. Press the OK button.
5. Open the inner cover.
6. Push the lever to unlock the ink cartridge, and then pull out the cartridge diagonally.
7. Insert the ink cartridge diagonally into the cartridge holder and gently push it down until it clicks into place.
Replacing Ink Cartridges and Other Consumables
96