To provide an image forming device capable of realizing the good stacking property.

In the image forming device, a paper discharging unit 8 has an arm 181 for pushing a fore end side of a paper sheet 5 to be discharged toward a paper sheet receiving face 79a above the paper sheet receiving face 79a, and the arm 181 pushes up the fore end side of the paper sheet 5 according to the situation (the printing situation) of a carriage 23.