An image forming apparatus includes an image scanning device, a printing device, an output tray, and a controller. The image scanning device scans a document image sheet by sheet from a document including plural sheets. The output tray is as an output destination of both the document outputted from the image scanning device and a print sheet outputted from the printing device. The controller is configured to perform a copy operation and causes the printing device to print an image based on the document image in the copy operation. Further, the printing device includes an outlet of the print sheet; and the image scanning device includes an outlet of the document, the outlet of the document outputting the document such that edges of the document and the print sheet in a width direction of the output tray are arranged at positions different from each other.