An image forming apparatus 1 includes an image forming unit 12 that forms an image on a recording medium, a visible image forming unit 50 that forms a visible image in the air, a controller 100 that causes the visible image forming unit 50 to form the visible image representing a print image, an operation detection unit 60 that detects an operation of an operator performed on the print image displayed as the visible image by the visible image forming unit 50, and a print image processing unit 101 that processes the print image according to the operation detected by the operation detection unit 60. The controller 100 causes the visible image forming unit 50 to form, in the air, the visible image representing the print image processed by the print image processing unit 101.