Image forming apparatus and image forming method
AssigneeSeiko Epson Corporation
InventorsShinichi TANAKA, Satoshi CHIBA, Koichi KAMIJO
Life of this patent
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Abstract
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.
Claims7
An image forming apparatus comprising:
- 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.
An image forming method comprising:
- supporting an image on a transfer belt looped around a belt tension roller;
- transferring the image to a transfer material by passing the transfer material through a transfer nip formed by the transfer belt, the belt tension roller and 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
- making a support member arranged in the shaft of the transfer roller abut on the second support member arranged in a shaft end of the belt tension roller after the image is transferred to the transfer material.
Dependencies are inferred from the claim text.