An image forming apparatus includes an image carrier, a motor, a cleaning portion, a measurement processing portion, and a cleaning control portion. The image carrier is configured to carry an electrostatic latent image. The motor is configured to rotate the image carrier. The cleaning portion is configured to clean the image carrier. The measurement processing portion is configured to measure a transition time that is a time required for the motor to transition from a stationary state to a driving state in which the motor rotates at a predetermined speed. The cleaning control portion is configured to control a cleaning time of the cleaning portion or whether or not to cause the cleaning portion to clean the image carrier.