| 摘要 |
An image forming apparatus which has means for permitting transfer members to be impressed with respective optimal transfer voltages without increasing the manufacturing cost. In the image forming apparatus, a transfer belt is driven to rotate, and a plural number of photosensitive drums, which bear toner images, are arranged side by side in the rotating direction of the transfer belt. A plural number of transfer members are located opposite from the respective photosensitive drums via the transfer belt. The transfer members charge the transfer belt with a polarity opposite to the polarity of the toner. The gap in the rotating direction of the transfer belt between the photosensitive drum and the transfer member in the most upstream transfer section is the largest, and the gap in the rotating direction of the transfer belt between the photosensitive drum and the transfer member in the most downstream transfer section is the smallest.
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