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Status detection device, image forming apparatus including the same, and method for controlling status detection device

A state detection device and a state technology are applied in the fields of electric recording technology using charge patterns, equipment for electric recording technology using charge patterns, and electric recording techniques, which can solve problems such as cumbersome wiring, complicated wiring, and reduced manufacturing costs.

Inactive Publication Date: 2014-05-14
KYOCERA DOCUMENT SOLUTIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the above-mentioned known image forming apparatus, the wiring is complicated and cumbersome, and it is necessary to ensure a large internal space for the wiring.
In addition, the problem of reducing manufacturing costs cannot be solved

Method used

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  • Status detection device, image forming apparatus including the same, and method for controlling status detection device
  • Status detection device, image forming apparatus including the same, and method for controlling status detection device
  • Status detection device, image forming apparatus including the same, and method for controlling status detection device

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Embodiment Construction

[0029] Below, use Figure 1 to Figure 13 The embodiment of the present invention will be described by taking a printer 100 (corresponding to an image forming apparatus) as an example, which includes a status detection device 1 and a zero-crossing signal generation unit 2 . However, each element described in each embodiment, such as a structure and arrangement|positioning, is not intended to limit the scope of the invention, and is merely illustrative.

[0030] (Overview of Image Forming Device)

[0031] First, use figure 1 The outline of the printer 100 according to the embodiment will be described. figure 1 It is a cross-sectional view showing a schematic configuration of the printer 100 .

[0032] Such as figure 1 As shown, the printer 100 of this embodiment includes an operation panel 3 (corresponding to a notification unit) mounted on the side.

[0033] The operation panel 3 is provided at the front end of an arm 31 provided on the upper right side of the printer 100 ...

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PUM

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Abstract

The present invention provides a status detection device, an image forming apparatus including the same, and a method for controlling the status detection device. The status detection device includes a heater, a first power line for supplying power to one end of the heater, a second power line for supplying power to the other end of the heater, a switch portion disposed in the first power line, an overheat protection portion for disconnecting the second power line when temperature exceeds a predetermined temperature, and a zero cross signal generation portion which outputs a zero cross signal in accordance with a waveform of an AC power supply, and outputs zero cross signals having different output values in a case where voltage of the first power line is higher than voltage of the second power line and in a case where the voltage of the second power line is higher than, the first power line.

Description

technical field [0001] The present invention relates to a state detection device including a heater for heating a toner image transferred on a sheet, and detecting the power supply state of the heater. Furthermore, it relates to an image forming apparatus including a state detection device. Background technique [0002] Electric devices such as image forming apparatuses (for example, printers, multifunction peripherals, copiers, facsimile devices, etc.) operate using electric power supplied from AC power sources such as commercial power. Therefore, when the power supply of the image forming apparatus is cut off due to various reasons such as a sudden power failure or malfunction, processed data may be lost. In addition, there is a possibility of damage to the image forming apparatus due to a sudden power interruption. Therefore, in order to detect whether power is being supplied from the AC power supply or whether the power has been cut off, a zero-cross signal may be gene...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/20
CPCG03G15/2039G03G15/80
Inventor 益城正己
Owner KYOCERA DOCUMENT SOLUTIONS INC
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