Temperature control for sheet heating device

A technology for heating devices and paper, applied to electrical recording technology using charge graphics, equipment and instruments for electrical recording technology using charge graphics, etc., can solve problems such as failure of image fixation, and achieve the goal of preventing adhesion and suppressing adverse effects Effect

Active Publication Date: 2018-08-10
KK TOSHIBA +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In some cases, overshoot may

Method used

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  • Temperature control for sheet heating device
  • Temperature control for sheet heating device
  • Temperature control for sheet heating device

Examples

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Example Embodiment

[0015] According to an aspect of the present invention, there is provided a paper heating device including: a heater; a power supply for the heater; and a control unit configured to heat a job based on the paper and according to whether to store the maximum value from the last paper heating job. And the minimum power supply level, when the heater starts the paper heating operation, the initial power supply level of the power supply is set, and the power supply level of the power supply during the paper heating operation is controlled based on the temperature detected by the temperature sensor.

[0016] According to another aspect of the present invention, there is provided a temperature control method for a paper heating device, the paper heating device having: a heater; a temperature sensor configured to detect the temperature of the heater; and The power source for the heater. The method includes: detecting the temperature of the heater; based on the paper heating job and accor...

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Abstract

A sheet heating device includes a heater, a power supply for the heater, a temperature sensor configured to detect the temperature of the heater, and a control unit configured to set an initial powersupply level of the power supply at a start of a sheet heating job by the heater based on the sheet heating job and according to whether or not maximum and minimum power supply levels from a last sheet heating job are stored, and control the power supply level of the power supply during the sheet heating job based on a temperature detected by the temperature sensor.

Description

technical field [0001] This specification relates to temperature control technology for paper heating. Background technique [0002] In the prior art, there is known a paper heating device that supplies a large amount of power to a heater to quickly raise its temperature to a predetermined temperature during start-up, image fixing, or image decolorization. In the conventional paper heating apparatus described above, since a large amount of electric power is supplied, the variation of the heater temperature generated by the heater tends to become large. [0003] For example, when the paper heating device is turned on after it has been turned off or entered sleep mode, a large amount of power is supplied to the heat source to rapidly increase the temperature of the heater to keep the paper heating device in a warm state. However, since the heater temperature at startup may be higher than its normal shutdown temperature, the large amount of power supplied may cause the heater ...

Claims

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Application Information

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IPC IPC(8): G03G21/00
CPCG03G21/00G03G15/205G03G2215/00772G03G2215/00776G03G21/203G03G15/2039
Inventor 石井裕志
Owner KK TOSHIBA
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