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Image forming apparatus

An image and developing device technology, which is applied in the direction of electrical recording technology using charge graphics, equipment and instruments using electrical recording technology using charge graphics, can solve problems such as increased manufacturing costs, increased number of components, and large-scale devices, and achieves The effect of suppressing leakage to the outside and avoiding an increase in the number of parts

Active Publication Date: 2016-02-03
KYOCERA DOCUMENT SOLUTIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the conventional configuration, a dedicated collection box for collecting the collected toner is required
Installing the above-mentioned dedicated collection box increases the number of parts and increases the size of the device, which in turn leads to an increase in the manufacturing cost of the device

Method used

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Examples

Experimental program
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Embodiment Construction

[0017] Next, embodiments of the image forming apparatus of the present invention will be described with reference to the drawings. In addition, embodiment described below is only an example which actualized this invention, and does not limit the technical scope of this invention.

[0018] Figure 1A It is an external perspective view showing the configuration of an image forming apparatus 1 which is an embodiment of the image forming apparatus of the present invention. In the following description, the image forming apparatus 1 is generally used on the basis of Figure 1A The defined up-down direction D1, front-back direction D2, and left-right direction D3 will be described.

[0019] Such as Figure 1A As shown, the image forming apparatus 1 is a printer. The image forming apparatus 1 prints an input image on a printing sheet using a printing material such as toner. In addition, the image forming apparatus 1 is not limited to a printer, and a facsimile machine, a copier, or...

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PUM

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Abstract

The invention provides an image forming apparatus capable of avoiding increase of parts and large size of the apparatus, and preventing disperse toner in a developing device from leaking out. The image forming apparatus according to an aspect of the present disclosure includes a toner conveyance portion, a vent hole portion, an air suction portion, and a filter portion. The toner conveyance portion forms a toner conveyance passage between a developing device and a collection container such that toner discharged from the developing device is conveyed in the toner conveyance passage and collected in the collection container. The vent hole portion is formed in the toner conveyance portion and allows inside and outside of the toner conveyance portion to communicate with each other such that air can be ventilated between the inside and the outside of the toner conveyance portion. The air suction portion sucks the air inside the toner conveyance portion via the vent hole portion. The filter portion is disposed on the vent hole portion and traps toner contained in the air sucked by the air suction portion.

Description

technical field [0001] The present invention relates to an electrophotographic image forming apparatus that performs image formation using toner. Background technique [0002] In an image forming apparatus, generally, an electrostatic latent image formed on an image carrier such as a photosensitive drum is visualized using a developer in a developing device, and the image is transferred to a recording medium. At this time, toner that has not been transferred to the recording medium may remain on the surface of the photosensitive drum. Therefore, the above-mentioned residual toner is removed from the surface of the photosensitive drum by a cleaning device, and is recovered as waste toner in a waste toner recovery container. The waste toner is conveyed to a predetermined position parallel to the photosensitive drum toward a horizontal direction by a screw conveyer. A transport channel is connected to the predetermined position, and the waste toner transported in the transpor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/08
CPCG03G15/0808G03G15/0815G03G15/0844G03G21/12G03G21/206G03G21/0052G03G21/10G03G15/095G03G2221/1624G03G21/105G03G15/104G03G2221/0089
Inventor 大桥広章柏本昌広
Owner KYOCERA DOCUMENT SOLUTIONS INC
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