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Image forming apparatus and apparatus exterior unit

An external unit, image technology, applied in the direction of electric recording process applying charge pattern, equipment of electric recording process applying charge pattern, electric recording technique, etc., can solve the problem of increasing the operation load, etc. Force required by element, effect of simple construction

Active Publication Date: 2014-12-31
FUJIFILM BUSINESS INNOVATION CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When closing the opening and closing member that supports the transfer body (transfer roller), since the opening and closing member must be closed when the transfer roller is pressed against the image carrier, there is a fear that the operating load will increase due to closing the opening and closing member.

Method used

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  • Image forming apparatus and apparatus exterior unit
  • Image forming apparatus and apparatus exterior unit
  • Image forming apparatus and apparatus exterior unit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0047] Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0048] figure 1 is a schematic diagram showing a schematic configuration of an image forming apparatus 1 to which an exemplary embodiment of the present invention is applied.

[0049] The image forming apparatus 1 includes: an image forming part 10 that forms an image on a recording medium (hereinafter, representatively referred to as "paper" in some cases); a paper supply unit 60 that supplies paper to the image forming part 10 and a sheet stacking unit 70 on which sheets each of which is formed with an image by the image forming part 10 is stacked. The image forming apparatus 1 also includes: an image reader 80 that reads an image of a document; and a controller 90 that controls the operations of the respective components.

[0050] The image forming section 10 includes four image forming units 11Y, 11M, 11C, and 11K of yellow (Y), ma...

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PUM

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Abstract

An image forming apparatus includes: an image carrier carrying a toner image; a transfer unit including: a transfer body transferring the toner image onto a recording medium; and a positioning portion positioning the transfer body with respect to the image carrier; a guide portion guiding the recording medium to a position where the toner image is to be transferred onto the recording medium; and an opening and closing unit supporting the transfer unit and the guide portion and provided to be openable and closable by rotating with respect to a main body of the apparatus about a predetermined rotation center, the opening and closing unit forming different angles with the main body between when a force required to position the transfer unit with respect to the main body reaches a maximum value, and when a force required to position the guide portion with respect to the main body reaches a maximum value.

Description

technical field [0001] The present invention relates to an image forming apparatus and an apparatus external unit. Background technique [0002] Now, there have been proposed many image forming apparatuses which are configured to close an opening and closing member (cover body) supporting the transfer roller, and thus to press the transfer roller on the surface carrying the toner. image on an image carrier. [0003] For example, Japanese Laid-Open Patent Application Publication No. 2000-330352 describes an image forming apparatus configured to include: an image carrier; the middle of the path of the paper tray, and the transfer roller transfers the toner image onto the paper conveyed from bottom to top; and the cover, which can move between a closed position and an open position while supporting the transfer roller, And the cover can bring the transfer roller into contact with the surface of the image carrier in the closed position and separate the transfer roller from the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G15/16G03G15/00
CPCG03G21/1633G03G21/1695G03G21/168G03G2221/169G03G2215/0132G03G15/1605
Inventor 佐藤弘一德永雅彰
Owner FUJIFILM BUSINESS INNOVATION CORP