IMAGE FORMING APPARATUS

原文（中国語）

An image forming apparatus includes an apparatus main body that includes first and second developing units, an air pump unit, a first toner container accommodating first toner and including a first intake port and a first discharge port, a second container accommodating second toner and including a second intake port and a second discharge port, a first passage communicating with the first discharge port and extending to the first developing container, and a second passage communicating with the second discharge port and extending to the second developing container. The first toner is passed through the first passage to replenish the first developing container by the air discharged from the first discharge port and flowed into the first passage. The second toner is passed through the second passage to replenish the second developing container by the air discharged from the second discharge port and flowed into the second passage.