| 摘要 |
Provided are a developing device and an image forming apparatus, the developing device which employs a two-component developer wherein development hysteresis (ghost) is reduced and deterioration of a carrier is stably suppressed, and high-quality images are thus realized for a long period of time. The developing device, which uses a developer including toner, carrier and reverse polarity particles which are charged to have a polarity reverse to that of the toner, performs a collecting operation for collecting the reverse polarity particles at a timing in which image formation is not affected by a collecting operation, where the reverse polarity particles are accumulated in the area enclosed by a toner carrying member, a developer carrying member for toner supply and developer carrying member for collecting toner are collected into a developer container.
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