An image forming apparatus includes an upper transport part and a lower transport part that are disposed vertically side by side in an apparatus body and transport a recording material, a relay section that is disposed at an upper part of the apparatus body and further transports the recording material transported from the lower transport part and that places the recording material transported from the upper transport part on an upper surface of the relay section, a post-processing section that is disposed on a side surface of the apparatus body, receives the recording material via the relay section, and performs post-processing, and a control unit that performs a control such that the recording material is transported from the upper transport part to the upper surface of the relay section in a case where the recording material is a long sheet.