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Fixing device and image forming apparatus

An image and terminal technology, applied in the field of fixing devices and image forming devices, can solve the problems of increasing the number of parts and complex configuration of fixing devices

Pending Publication Date: 2022-08-02
TOSHIBA TEC KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, depending on the type of sheet size, the configuration of the fixing device becomes complicated, and the number of parts (for example, the number of heating control circuits) may increase.

Method used

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  • Fixing device and image forming apparatus
  • Fixing device and image forming apparatus
  • Fixing device and image forming apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] Hereinafter, the fixing device and the image forming apparatus according to the embodiments will be described with reference to the drawings. figure 1 It is an external view showing an example of the overall configuration of the image forming apparatus 100 according to the embodiment. figure 2 This is a hardware block diagram of the image forming apparatus 100 according to the embodiment. The image forming apparatus 100 is, for example, a multifunction peripheral. The image forming apparatus 100 includes a display 110 , a control panel 120 , an image forming unit 130 , a sheet storage unit 140 , and an image reading unit 200 .

[0016] The image forming apparatus 100 forms an image on a sheet using a developer such as toner. The developer is fixed on the sheet by being heated. The sheet is, for example, paper or label paper. The sheet may be any material as long as the image forming apparatus 100 can form an image on its surface.

[0017] The display 110 is an ima...

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PUM

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Abstract

The invention relates to a fixing device and an image forming apparatus. According to one embodiment, the fixing device includes a plurality of heating elements, a plurality of first terminals, a second terminal, a movable member, a conductive circuit, a film, and a rotating body. The heating elements are arranged in the main scanning direction and generate heat. The first terminal is electrically connected with the heating body. The second terminal is electrically connected to a power source that supplies power to the heating element. The conductive circuit is arranged on the surface of the movable part. And the thin film is a strip-shaped thin film of which one surface is in contact with the heating body and slides on the surface of the heating body. The rotating body can be pressed against the other surface of the film and can be rotationally driven. The conductive circuit is a circuit electrically connecting one or more first terminals and the second terminal. The plurality of conductive circuits are circuits having different combinations of one or more first terminals connected to the second terminals, respectively.

Description

technical field [0001] The embodiments described in this specification relate to a fixing device and an image forming device. Background technique [0002] Conventionally, in a fixing device of an image forming apparatus, a heating area is divided into a plurality of areas. A heater is individually arranged in each of the divided partial regions, and an independent heating control circuit (for example, a triac) is provided for the heater of each partial region. By adopting such a configuration, it is possible to heat each appropriate region of a plurality of sheet sizes. [0003] However, the number of partial regions (the number of divisions of the heating region) increases depending on the type of sheet size. Therefore, depending on the type of sheet size, the configuration of the fixing device becomes complicated, and the number of parts (for example, the number of heating control circuits) may increase. SUMMARY OF THE INVENTION [0004] The fixing device according t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/20
CPCG03G15/2039G03G15/2053G03G15/80G03G15/2042
Inventor 土井洋平
Owner TOSHIBA TEC KK