Patent ID: 8452220
Filing Date: 2013-05-28
Classification: G03G

Abstract:
1. A laser fixing device, which is for use in an electrophotographic image forming apparatus comprising a feature to form a monochrome image or a color image, the laser fixing device comprising: a carrying device for carrying a sheet; and a laser array section which is made up of a plurality of laser sources arrayed across a direction in which the sheet is carried, the plurality of laser sources irradiating a non-fixed toner image, which is attached to the sheet that is being carried by the carrying device, with a laser beam so that the non-fixed toner image is fused and fixed to the sheet, wherein, a sheet carrying speed and an irradiation region length are set so that the following inequality is satisfied where mt is a maximum level of an attached-toner amount per unit area of the sheet (mg/cm where mt is less than or equal to 1.5.