Patent ID: 9158244
Filing Date: 2015-10-13
Classification: G03G

Abstract:
1. An image forming apparatus comprising: an image forming unit that forms a toner image on a transported medium using a developer containing toner and non-volatile oil; a heating unit that is arranged on a downstream of the image forming unit in a transport direction of the medium and heats the toner image on the medium to a melting temperature of the toner or higher; and a fixing unit that is arranged on a downstream of the heating unit in the transport direction, the fixing unit including a heat supply section that supplies heat to the developer on the medium, a removal section that removes the non-volatile oil from the developer to which heat is supplied by the heat supply section, and a fixing section that fixes the toner image, which is formed of the developer from which the non-volatile oil is removed by the removal section, on the medium, and a difference in a solubility parameter (SP) value between the toner and the non-volatile oil contained in the developer being from 1.5 to 7.0.