Recycle developer bearing body, inspection method and inspection device therefor, method of recycling a developer bearing body, and method of recycling a used process cartridge

摘要

The present invention provides a recycle developer bearing body which is an effective recycle of a used developer bearing body, which helps effective utilization of resources, and which has no fear of image quality degradation such as developer concentration unevenness. In the recycle developer bearing body, even when scars or other defects are developed on a developer bearing surface of the developer bearing body from previous use, a surface roughness Ra of the developer bearing surface having the scars or other defects of the developer bearing body is 0.8 mum or more.