The inkjet printer catridges will often have some problem.It is very difficult for the people to change the catridges often.But you can not do work with the same old one.You have to replace it with another one which works good.Inks should have to be refilled when the ink is empty.Catridge is a component which runs the drum and mkkes the print on the paper by spreading ink on that.The best quality catridge will help you in this matter.So choose the best one for your printer. http://www.cheaprefills.info