Patent ID: 8611791
Filing Date: 2013-12-17
Classification: G03G

Abstract:
1. A roller replacement auxiliary tool of a fixing unit for extracting at least one of a heating roller and a pressure roller from a replacement opening part formed in a frame of the fixing unit in a shaft direction so as to be replaced, the heating roller having a heater lamp provided therein, the pressure roller being capable of being brought into press-contact with the heating roller, the roller replacement auxiliary tool comprising: a protection unit that protects the roller when the roller is replaced, wherein: the protection unit is formed of a protection member that covers an outer peripheral part of the roller to be replaced, the protection unit is formed of a cylindrical protection member that covers an outer peripheral part of the roller to be replaced, and a heat insulation layer is provided on at least one of an inner peripheral surface and an outer peripheral surface of the cylindrical protection member.