How to remove cartridge from epson l110?

hello to all :) i just ask something about my L110 epson printer i cant use my printer because of blinking a colore on both side what shall i do???  

I have problem with my Epson L110 thus blue color not work. I already filled blue color into cartridge.What's wrong on it?  

... by lifting the cover and remove the cartridges, then locate the reset ... on the back of the cartridge. Once you press the button ...