Patent ID: 7970330
Filing Date: 2011-06-28
Classification: G03G

Abstract:
1. A fuser for fusing toner on a medium, comprising: a pressure roll; a fuser belt; a first nip formed by the fuser belt contacting the pressure roll, the first nip including an inlet end where the medium enters the first nip, an outlet end where the medium exits the first nip, and a nip width defined between the inlet end and the outlet end, wherein the nip width is adjusted based on at least one of a weight of the medium and a mass of a toner; a mechanism for moving the pressure roll toward or away from the fuser belt to adjust the nip width; and a stripping member for stripping the medium from the fuser belt after the medium exits from the outlet end of the first nip; wherein the fuser belt includes an inner surface contacting a fuser roll, and the fuser belt separates from the fuser roll at the outlet end of the first nip, the stripping member is located between the fuser roll and the inner surface of the fuser belt, and the stripping member includes an end spaced from the outlet end at which the fuser belt forms a stripping radius, and a second nip is formed between an outer surface of the fuser belt and a surface of the pressure roll between the outlet end and the stripping radius, and wherein the end of the stripping member is located about 5 mm or less from the outlet end of the first nip, and the stripping radius is about 5 mm or less.