Patent ID: 8718529

Claim:
An image forming apparatus comprising: a plurality of image forming stations for forming a toner image having superposed toner image components on a recording material; a fixing portion for fixing the toner image on the recording material; and a glossiness treatment unit, operable when a glossiness treatment mode is selected, for glossiness treatment of the toner image fixed on the recording material by heating the toner image, said glossiness treatment unit including a film movable in a feeding direction of the recording material, a heating member contacting said film, a pressing member cooperating with said heating member to form a nip, with said film therebetween, for nipping and feeding the recording material; wherein in the glossiness treatment mode, one of said image forming stations forms, as a topmost layer, a toner image having a tone gradation provided by a dot growth type screening, and wherein an image forming station, other than said one for forming the topmost toner image forms the toner image having the tone gradation provided by a line growth type screening.