| 摘要 |
A developing device according to the invention develops latent images formed on an image carrier with a developer including toner carrier and toner. The developing device includes a developer container, a developer conveying member, a supply unit, a discharge unit, and a discharge prohibiting unit. The developer container contains the developer. The developer conveying member conveys the developer contained in the developer container as stirring the developer to circulate the developer in a circulation path in the developer container. The supply unit supplies at least the toner carrier to the circulation path. The discharge unit discharges excessive developer in the circulation path according to supply from the supply unit. The discharge prohibiting unit prohibits discharge of the developer from the discharge unit during a predetermined discharge prohibiting period in a case where the toner carrier is supplied from the supply unit. |
