To prevent the foreign matter from dispersing when cleaning a rotator.

A rotator cleaning device includes: a rotator cleaning part 18 that includes a cleaning member 51 that is supported contactably and separably to the peripheral surface of the rotator 8 while being carried out rotation driving, and removes the foreign matter that adheres to the peripheral surface of the rotator 8; and a control device 60 that stops the rotation of the cleaning member 51 when the cleaning member 51 is separated from the peripheral surface.