Patent ID: 7433623

Claim:
An image forming apparatus comprising: an image forming unit for transferring a toner image based on image information to a recording material; a fixing unit for heating and fixing the toner image on the recording material; a conveying unit including a plurality of conveying paths for conveying the recording material to the image forming unit and discharging the recording material on which the toner image is formed; a controller for controlling the plurality of conveying paths so that the recording material is conveyed by one or more of the plurality of conveying paths according to a recording material conveying mode; a cooling fan; an air duct including a first air-blowing outlet and a second air-blowing outlet for conducting air from the cooling fan to an interior of the apparatus; and an air flow changing member for opening or closing the first and second air-blowing outlets; wherein the controller controls the air flow changing member according to the recording material conveying mode for cooling the recording material.