| 摘要 |
An image forming apparatus includes: a transfer belt to which an image is transferred; a belt tension roller around which the transfer belt is looped; a transfer roller that includes a shaft and a recessed portion which is formed in an axial direction of the transfer roller and has a first edge formed in an opening edge in one side of a rotation direction of the transfer roller and a second edge formed in an opening edge in the other side opposite to the one side; and a support member that is arranged in the shaft of the transfer roller.
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