| 摘要 |
An endless belt circularly moves to convey a recording medium placed thereon in a conveying direction. A plurality of photosensitive bodies is juxtaposed in the conveying direction with confronting the endless belt. A plurality of process units supplies developer to the plurality of photosensitive bodies to form a developer image thereon, respectively. A first collecting member contacts the endless belt to collect the developer on the endless belt. A second collecting member is capable of collecting from the first collecting member the developer collected on the first collecting member. A control unit applies a bias between the first collecting member and the second collecting member to inhibit the developer collected on the first collecting member from being transferred to the second collecting member when the first collecting member rubs the endless belt with the toner collected on the first collecting member.
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