Mechanism for cooling photosensitive materials in an electrophotographic copying machine

Claim 1

A copy machine comprising an enclosure, a rotatable photosensitive material, means for creating a toner image on said material, copy paper, transfer means for transferring said image to said paper, fixing means having an entrance opening and an exit opening through which said paper is moved for permanently fixing said toner to said paper by application of heat thereto, first cooling means for blowing a first air stream onto the surface of said photosensitive material, said first cooling means comprising a blower, ducting, and a nozzle, said blower coupled by said ducting to said nozzle and the outside of said enclosure for drawing air into said enclosure by said blower and directing it through said nozzle toward the surface of said material, second air directing means for directing a second air stream into said entrance opening of said fixing means, said second air directing means comprising a blower, a nozzle, and duct means operating in conjunction with said blower and said nozzle to withdraw air from outside of said enclosure and to direct it into said fixing means in the general direction of travel of said copy paper through said fixing means, and ventilator means for withdrawing air from said exit opening of said fixing means and discharging said air to the outside of said machine.