Patent ID: 9217991
Filing Date: 2015-12-22
Classification: G03G

Abstract:
1. An image forming apparatus comprising: an apparatus body including an intake opening through which external air is taken in; a blower 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, wherein the first air flow path is formed, by the activation of the blower, inside a duct provided to allow air to flow through the intake opening, the blower, and the temperature sensor in this order, the second air flow path is formed outside the duct, a sidewall of the duct is provided with a communication hole which communicates the first air flow path with the second air flow path, and the communication hole is formed to have a smaller size than an opening of the duct.