Tonernachfüllvorrichtung und damit versehene Entwicklungsvorrichtung für ein Bilderzeugungsgerät

摘要

For depositing toner on an image carrier to thereby develop a latent image formed thereon, a toner refilling device is configured to refill, when the toner is short, from the outside of a developing device, fresh toner at a position where the developing device is situated, and to control the use of the fresh toner based on authenticating toner data.