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Image-forming device and image carrier holding method

An image bearing and imaging device technology, which is applied in the direction of electric recording process applying charge pattern, equipment and instrument of electric recording process applying charge pattern, etc., can solve the problem of insufficient suppression of shock and vibration images

Inactive Publication Date: 2004-06-30
FUJIFILM BUSINESS INNOVATION CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, in these conventional image forming apparatuses, the shock and vibration caused by the adjoining operation of the elements, the disorder of the image cannot be sufficiently suppressed

Method used

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  • Image-forming device and image carrier holding method
  • Image-forming device and image carrier holding method
  • Image-forming device and image carrier holding method

Examples

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Embodiment Construction

[0030] Various embodiments of the invention will now be described with reference to the drawings.

[0031] figure 1 is a view showing the entire structure of an imaging device to which an embodiment of the present invention can be employed. This figure shows a digital color printer using a rotary-type developing device. exist figure 1 In the image forming device shown, a main body 1 of the image forming device is provided with a photosensitive drum 11 , a charging device 12 , an exposure device 13 and a developing device 14 . The photosensitive drum 11 corresponds to an image carrier on which an electrostatic latent image is formed so as to transfer a toner image thereon. The charging device 12 applies electric charge to the photosensitive drum 11, thereby charging the photosensitive drum 11 by using a charging roller and the like. The exposure device 13 is operated in such a manner that the charged photosensitive drum 11 is exposed in the exposure unit. The developing d...

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PUM

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Abstract

An image forming apparatus is included of a pivotally rotated photosensitive drum, a developing roller for developing an electrostatic latent image formed on this photosensitive drum, and an intermediate transfer belt for temporarily holding the toner image which has been developed to be formed by the developing roller. This developing roller is equipped with a tracking roller which abuts against the photosensitive drum so as to keep a distance between the developing roller and the photosensitive drum as a constant distance. A direction of weight 'a' produced by this tracking roller with respect to the photosensitive drum may be positioned within a so-called 'wrap range' corresponding to an abutting range between the intermediate transfer belt and the photosensitive drum.

Description

[0001] Cross-references to related applications [0002] This application is based on and claims priority from Japanese Patent Application No. 2002-364484 filed on December 16, 2002, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates to an image forming apparatus such as a printer, copier or facsimile. In particular, the invention relates to an imaging device equipped with an element that abuts against an image carrier. Background technique [0004] In an image forming apparatus using an electrophotographic system such as a printer, a copier, and a facsimile, an image forming operation is performed as follows. That is, after the latent image is obtained by the latent image forming unit in such a manner that light is irradiated onto an image carrier such as a photosensitive drum that has been uniformly charged, toner is applied to the charged image carrier by the developing unit. on the latent image, the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/01G03G15/08G03G15/16
CPCG03G15/0813G03G2215/0177G03G15/0131
Inventor 冈本昌也佐佐木庆治
Owner FUJIFILM BUSINESS INNOVATION CORP