The present invention provides a printing apparatus and a printing method, in which a very thick and rigid printing medium such as board paper can be conveyed with stable conveyance accuracy, and in which a high-quality image can be printed thereon. In order to achieve this, paper on a front tray is conveyed onto a rear tray approximately along a plane containing a position on a platen, and then the paper is conveyed onto the front tray through the position on the platen. When the paper passes through the position on the platen, an image is printed on the paper.