| 摘要 |
An image forming apparatus includes an image bearing member for carrying a toner image; a transfer member for cooperating with the image bearing member to form a nip to transfer a toner image from the image bearing member onto a transfer medium nipped by the nip; transfer voltage applying means for applying a transfer voltage to the transfer member to transfer the toner image; detecting means for detecting a current when a monitor voltage is applied to the transfer member or a voltage when a monitor current is applied; transfer voltage determinating means for determining the transfer voltage on the basis of a detection result of the detecting means so that current through the transfer member in a transfer operation is the target current; and target current adjusting means for adjusting the target current so that target current when a resistance of the transfer member is relatively small is larger than the target current when the resistance value of the transfer member is relatively large.
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