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US 2010/0247175 A1Published application
Image forming apparatus and image forming method
AssigneeSeiko Epson Corporation
InventorShinichi TANAKA
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 having a shaft, around which the transfer belt is looped; a transfer roller that includes a shaft and a recessed portion in an axial direction and faces the belt tension roller by pinching the transfer belt; a first abutting member arranged in the shaft of the transfer roller; and a second abutting member that is arranged on the shaft of the belt tension roller and abuts on the first abutting member.
Claims7
An image forming apparatus comprising:
- a transfer belt to which an image is transferred;
- a belt tension roller having a shaft, around which the transfer belt is looped;
- a transfer roller that includes a shaft and a recessed portion in an axial direction and faces the belt tension roller by pinching the transfer belt;
- a first abutting member arranged in the shaft of the transfer roller;
- and
- a second abutting member that is arranged on the shaft of the belt tension roller and abuts on the first abutting member.
3 more elements
An image forming method comprising:
- supporting an image on a transfer belt looped around a belt transfer roller;
- transferring the image to a recording material using a transfer nip formed by making the transfer belt having a first abutting member arranged on the shaft and a recessed portion arranged in an axial direction abut on a belt tension roller having a second abutting member arranged on the shaft by pinching the transfer belt;
- and
- making the first abutting member abut on the second abutting member when the recessed portion of the transfer roller is moved to the transfer nip after the image is transferred to the recording material.
1 more element
Dependencies are inferred from the claim text.