A head separated type imaging apparatus includes a head unit and a main unit which are separated, the main unit processing an image signal transmitted from the head unit. The main unit includes a first communication unit transmitting/receiving data to/from the head unit via wireless communication, a second communication unit transmitting/receiving data to/from the head unit via wired communication, and a control unit detecting whether the second communication unit is communicable, and continuing, when the first and second communication units are switched based on a detection result therefrom, transmission/reception of the data which is performed before the switching.