| 摘要 |
A developing method includes the steps of: applying for a predetermined duration t1 to a developer carrying member, faced to an image bearing member for bearing an electrostatic image before formation of a developed image, for carrying a developer, a back-transfer voltage V1 for returning the developer to the developer carrying member; applying for a predetermined duration t2 to the developer carrying member a transfer voltage V2 for transferring the developer from the developer carrying member to the image bearing member; shifting from the back-transfer voltage V1 to the transfer voltage V2 substantially in rectangular profile; and shifting from the transfer voltage V2 to the back-transfer voltage V1, taking a predetermined duration t3.
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