Patent ID: 8805224
Filing Date: 2014-08-12
Classification: G03G

Abstract:
1. An image forming apparatus, comprising: a heating member which heats a toner image formed on a recording medium using a decolorizable toner comprising a binder resin and a coloring agent which contains a color developable compound and a color developing agent and a temperature control agent and which has a capsule structure covered with an outer shell, and produced by reacting the binder resin and the coloring agent in a dispersion medium under being heated; a pressing member which is in press contact with the heating member to form a nip portion and nips and conveys the recording medium in cooperation with the heating member; a temperature control section which controls the temperature of the heating member to a temperature not higher than the density maintaining threshold temperature of the toner and not lower than the melting threshold temperature of the toner; and a conveyance control section which controls the conveying speed of the recording medium in the nip portion such that a time required for a point on the recording medium to pass through the nip portion is 100 msec or more.