Learn which ports are necessary for your computer and printer to communicate with each other. Making sure that they're not blocked by security or firewall programs will help enable your printer to work correctly.
Loading Paper As shown in the figure, if the paper is placed with the printing surface facing up and the paper is curled upward (Fig.1), fix the curl so that the paper is flat. If the paper is curled downward , flatten the paper so that the curl does not exceed 2 mm.