How to repair epson l110 printer?

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?  

Please, put the printer into the maintenance mode by ... a reset button, try reconfiguring the printer by taking the necessary tests ...