Processing box image device and inter-transferring belt

An intermediate transfer and imaging device technology, applied in the field of process boxes, can solve problems such as increased management costs
CN1376955AInactive Publication Date: 2002-10-30CANON KK
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CANON KK
Publication Date
2002-10-30
Estimated Expiration
Not applicable · inactive patent

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Abstract

A process cartridge integrally supporting therein a cylindrical latent image bearing member on which a toner image is formed and an intermediate transfer belt which is first transferred to the intermediate transfer belt belt, and then transferred from the intermediate transfer belt to the transfer medium for the second time. In order to prevent undesired triboelectric charging of the photosensitive member during transportation, the process cartridge shall meet any one of the following requirements, A) When the intermediate transfer belt and the photosensitive member are rubbed against each other, the surface potential Vt of the latent image bearing member -200V≤Vt≤200V, B) A spacer is provided between the intermediate transfer belt and the latent image bearing element, when the former and the latter rub against each other, the surface potential Vt of the photosensitive element is -200V≤Vt≤200V, And C) the process cartridge has a means for reducing the contact pressure of the intermediate transfer belt against the latent image bearing member.
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Description

field of invention

[0001] The present invention relates to a process cartridge having a latent image bearing member having a toner image formed on its surface and an integrally disposed intermediate transfer zone. Background technique

[0002] An image forming device utilizing an intermediate transfer belt of a belt-shaped intermediate transfer member can be effectively used as a full-color image forming device and a multicolor image forming device in which multiple color toner images are successively and superimposedly transferred onto a transfer medium to output an imaged material.

[0003] Compared with the transfer system disclosed in Japanese Patent Application Laid-Open Sho 63-301960, this transfer system is an image forming apparatus in which a toner image is transferred from an electrophotographic photosensitive member as a first image bearing member onto the transfer medium as the second image bearing member, and then attached or attracted to the transfer drum, the...

Claims

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