Patent ID: 7539436
Filing Date: 2009-05-26
Classification: G03G

Abstract:
1. An image forming apparatus comprising: an air-cooling fan; and a cooling duct which guides cooling air from the air-cooling fan to desired positions to be cooled, wherein a discharge port of the cooling duct for blowing cooling air to a sheet of paper to be delivered on which an image has been formed is formed large in the vicinity of the center of the paper width and is formed small in the vicinity of the both ends of the paper width; the cooling airflow is controlled so the cooling air blown to the sheet of paper to be delivered to exhibit a maximum flow rate in the vicinity of the center of the paper width and a minimum flow rate in the vicinity of both ends of the paper width; and wherein the maximum flow rate Vmax and the minimum flow rate Vmin of the cooling air exhibit the relationships of: