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Fullness detection device, image forming device, and control method of fullness detection device

A detection device and a technology of light emission control, which are applied in the direction of measuring devices, electric recording technology using charge patterns, and equipment for electric recording technology using charge patterns, etc., can solve the problem that the toner container is not full, etc. Consumption, long service life, heat generation suppression effect

Inactive Publication Date: 2017-06-30
KYOCERA DOCUMENT SOLUTIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is no description about the light quantity of the light source of the photosensor 27
In addition, if the light source is always made to emit light with a light intensity below the maximum light intensity, the waste toner container may be falsely detected as full if it is not full, and there is a problem in accuracy.

Method used

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  • Fullness detection device, image forming device, and control method of fullness detection device
  • Fullness detection device, image forming device, and control method of fullness detection device
  • Fullness detection device, image forming device, and control method of fullness detection device

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no. 2 approach

[0100] Next, use Figure 10 The fullness detection device 1 and the printer 100 according to the second embodiment will be described.

[0101] The second embodiment differs from the first embodiment in part of the circuit configuration of the fullness detection device 1 . However, other points such as the configuration of the printer 100 and the flow (control) of the full detection can be the same as those of the first embodiment. Here, the common parts with the first embodiment are referred to, and description and illustration are omitted unless otherwise specified.

[0102] The printer 100 of this embodiment also includes the fullness detection device 1 . The fullness detection device 1 includes the control unit 6 , the light emission control unit 10 , and the storage unit 62 in addition to the above-mentioned waste toner container 5 , waste toner collection unit, and optical sensor 7 , as in the first embodiment.

[0103] In the present embodiment, the anode of LED 71 a ...

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PUM

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Abstract

A fullness detection device includes a waste toner collecting portion (43), a waste toner container (5) configured to store the collected waste toner, the waste toner container has translucency, a detecting portion (7) including a light emitting portion (71) and a light receiving portion (72) disposed to sandwich the waste toner container, the light receiving portion receiving the light from the light emitting portion, and a determining portion (6) configured to determine whether or not the waste toner container is full based on whether or not an output value of the light receiving portion is higher than a predetermined threshold value. The light emitting portion increases light intensity step by step and emits light at a level of smallest light intensity among light intensity levels at which it is determined that the waste toner container is not full.

Description

technical field [0001] The present invention relates to recovery of waste toner from an image forming apparatus that prints with toner. In particular, it relates to a fullness detection device of a container for collecting waste toner, an image forming apparatus, and a control method of the fullness detection device. Background technique [0002] Generally, in an electrophotographic image forming apparatus (printer, multifunction machine, copier, facsimile, etc.) using toner, after forming a toner image on a photosensitive drum, the toner image is transferred to paper. And fix the toner image to the paper to complete the printing. Among them, the toner remaining on the photosensitive drum without being transferred is collected as waste toner. Also, a waste toner container for storing waste toner is sometimes provided. If the waste toner container is full and the waste toner continues to be fed into the waste toner container, the waste toner will overflow and contaminate t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G21/12G03G15/00G01F23/292
CPCG03G21/12G03G2215/0894
Inventor 佐山晴基
Owner KYOCERA DOCUMENT SOLUTIONS INC