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Function and principle of fuser thermistor
- Categories:Fuser thermistor
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- Time of issue:2023-02-03 11:58
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Function and principle of fuser thermistor
(Summary description)With the development of technology, the frequency of use of Fuser thermistor is also increasing. Fuser thermistor can be divided into positive temperature coefficient Fuser thermistor and negative temperature coefficient Fuser thermistor.
- Categories:Fuser thermistor
- Author:
- Origin:
- Time of issue:2023-02-03 11:58
- Views:
With the development of technology, the frequency of use of Fuser thermistor is also increasing. Fuser thermistor can be divided into positive temperature coefficient Fuser thermistor and negative temperature coefficient Fuser thermistor. The resistance value of the positive temperature coefficient Fuser thermistor increases with the increase of temperature, and the resistance value of the negative temperature coefficient Fuser thermistor decreases with the increase of temperature. They are both semiconductor devices. Many novices do not know what the externally heated Fuser thermistor is used for. This article will tell you about this problem. I hope the content of this article can help you all.
The working principle of Fuser thermistor: Fuser thermistor will be inactive for a long time. When the ambient temperature and current are in zone c, the heat dissipation power of Fuser thermistor is close to the heating power, so it may or may not operate. When the ambient temperature is the same, the operating time of the Fuser thermistor decreases sharply with the increase of the current. When the ambient temperature is relatively high, the Fuser thermistor has a shorter operating time and a smaller maintenance current and operating current.
The use of external heating Fuser thermistor is as follows:
Fuser thermistor, as the name suggests, a resistance sensitive to heat (temperature).
Principle: The resistance value changes according to the heat.
Function: The motherboard senses temperature information through the change of its resistance, thereby controlling the heating time of the exposure lamp (heating lamp) to achieve a constant fixing (heating) component temperature.
Thermal switch, as the name implies, a switch sensitive to heat (temperature).
Principle: It has a switch connected with memory metal. If the external temperature reaches a certain level, it will change accordingly, return to the state before the memory, and cut off the switch.
Function: When the Fuser thermistor or the motherboard fails, or external factors cause the fixing temperature to be too high, cut off the fixing power supply. Protect the fixing unit from damage.
In addition to knowing the principle and function of Fuser thermistor, we must choose a reliable manufacturer in terms of procurement.
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