A multifunction peripheral includes: an apparatus body including an intake opening through which external air is taken in; an axial flow fan configured to send air through the intake opening to an interior of the apparatus body; and a substrate including a temperature sensor placed on one surface thereof facing a first air flow path formed by activation of the blower and a humidity sensor placed on the other surface thereof facing a second air flow path along which a smaller amount of air flow flows than along the first air flow path.