An image forming apparatus is used in a post-payment system based on a customer's electronic money, and includes an image forming section, a communication section, and a controller. The image forming section performs a printing operation of forming an image on a sheet. The communication section performs communication so as to acquire settlement information including information that identifies the customer. The controller controls the image forming section and the communication section. As to the printing operation performed after acquisition of the settlement information, the controller settles a printing fee with a discount in a unit price per sheet in a situation where a printed sheet count is a predetermined number or more.