The present invention relates to an image forming apparatus, which comprises a camera for acquiring image information, a first housing in which the camera is installed, a first cooling unit for supplying a cooling gas to the first housing to cool the inside of the first housing provided with the camera, And a second cooling unit for supplying a cooling liquid to the second housing to cool the inside of the first housing in which the camera is installed, by water-cooling, and to a CCTV for high temperature environment , According to the present invention, a camera for acquiring image information for a high-temperature environment is double-protected using a housing, and the inside of the housing where the camera is installed is double-cooled, It can contribute to realization of manpower saving.
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