Image forming apparatus
First Claim
1. An image forming apparatus comprising:
- a first transfer section for transferring a toner image, which is formed on an image carrier by utilizing a charging section, an exposing section and a developing section, onto an intermediate transfer member having a belt shape; and
a second transfer section for transferring the toner image transferred on the intermediate transfer member onto a recording material by applying an electric field between a second transfer roller being provided outside the intermediate transfer member and a backup roller being provided inside the intermediate transfer member, the second transfer roller and the backup roller sandwiching the intermediate recording member and the recording material,wherein the second transfer roller is grounded and a bias voltage is applied to the backup roller, and further provided is a second charging section for charging a surface of the second transfer roller with a predetermined polarity.
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Accused Products
Abstract
An image forming apparatus including a first transfer section for transferring a toner image, formed on an image carrier by utilizing a charging section, an exposing section and a developing section, onto a belt shaped intermediate transfer member; and a second transfer section for transferring the toner image on the intermediate transfer member onto a recording material by applying an electric field between a second transfer roller being provided outside the intermediate transfer member and a backup roller being provided inside the intermediate transfer member, the second transfer roller and the backup roller sandwiching the intermediate recording member and the recording material, wherein the second transfer roller is grounded and a bias voltage is applied to the backup roller, and further provided is a second charging section for charging a surface of the second transfer roller with a predetermined polarity.
9 Citations
8 Claims
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1. An image forming apparatus comprising:
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a first transfer section for transferring a toner image, which is formed on an image carrier by utilizing a charging section, an exposing section and a developing section, onto an intermediate transfer member having a belt shape; and a second transfer section for transferring the toner image transferred on the intermediate transfer member onto a recording material by applying an electric field between a second transfer roller being provided outside the intermediate transfer member and a backup roller being provided inside the intermediate transfer member, the second transfer roller and the backup roller sandwiching the intermediate recording member and the recording material, wherein the second transfer roller is grounded and a bias voltage is applied to the backup roller, and further provided is a second charging section for charging a surface of the second transfer roller with a predetermined polarity. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification