Patent ID: 7529514
Filing Date: 2009-05-05
Classification: G03G

Abstract:
1. An image forming apparatus comprising: image forming means for forming a toner image on a recording material; image heating means for heating the toner image on the recording material, said image heating means having first image heating means provided with a first rotary member and a second rotary member forming a first nip therebetween, and second image heating means provided with a third rotary member forming a second nip between it and said first rotary member and said first rotary member, said second rotary member and said third rotary member respectively has a heater; and means for introducing the recording material heated in said first nip into said second nip; wherein a recording material separation temperature of said second image heating means is lower than the recording material separation temperature of said first image heating means, wherein, when the toner image is heated in said second nip, said second rotary member heats said first rotary member, and wherein said image forming apparatus is operable in a mode for forming a high-gloss toner image on a first side of the recording material and a low-gloss toner image on a second side of the recording material, by introducing the recording material having a toner image formed on the first side thereof into said first nip, and thereafter introducing the recording material having a toner image formed on the second side thereof into said second nip.