| 摘要 |
An image forming apparatus includes a section for obtaining a property of a recording material; an adjusting section for adjusting a toner amount of a toner image formed by development depending on the property of the recording material; a charging section for charging the toner image before transfer; and a controlling section for adjusting a charging quantity by the charging section depending on the toner amount, where an appropriate quantity of charge depending on the toner amount is provided to the toner image before transfer to the recording material. Depending on the property of the recording material, an appropriate toner amount is transferred at a high transfer efficiency, and uniformity of a solid concentration is ensured.
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