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Upper fuser roller manufacturers take you to understand the causes and solutions of poor printer fusing
- Categories:Industry news
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- Time of issue:2022-11-15 11:43
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Upper fuser roller manufacturers take you to understand the causes and solutions of poor printer fusing
(Summary description)The manufacturer of Upper fuser roller tells you that you often encounter the phenomenon of toner falling when printing. The technical term is called poor fixing. The specific performance is that the toner is not fully melted, nor is it fully pressed into the paper.
- Categories:Industry news
- Author:
- Origin:
- Time of issue:2022-11-15 11:43
- Views:
The manufacturer of Upper fuser roller tells you that you often encounter the phenomenon of toner falling when printing. The technical term is called poor fixing. The specific performance is that the toner is not fully melted, nor is it fully pressed into the paper.
The main reasons are as follows.
1. Poor fixing temperature
The upper fuser roller manufacturer tells you that the printer's fusing temperature is determined according to the thickness of the paper (such as plain paper, thick paper, etc.). Printing paper covered with toner on the entire surface is very prone to insufficient fixing temperature, resulting in poor fixing. The solution is to set the appropriate printing paper.
The heat of the fuser is usually heated by the lamp tube inside the fuser roller. If the printer is relatively slow and does not require high heat, there is usually only one lamp tube. However, if it is a high-speed printer, due to the need to output a large amount of heat in a short period of time, in this case, it is necessary to design two lamp tubes, one is mainly responsible for heating the middle area of the paper, and the other is responsible for heating the two sides of the paper. If it happens that there is a problem with the lamps that are responsible for heating both sides of the paper, then there will be poor fusing on both sides of the paper. The solution is to replace the lamp.
2. Poor pressurization
The fuser usually consists of a fuser roller and a pressure roller, which are pressed by a spring to form a pressure area (technical term Nip), which heats and presses the paper to achieve the purpose of fixing. There is one spring on each side of the fuser. If there is a problem with the spring on one side, the pressure on this side will not be enough, which will lead to poor fusing. The upper fuser roller manufacturer tells you that the poor fixing in this case usually starts from a certain place on the paper, and then spreads to the edge of the paper, and the degree of poor fixing will continue to increase. Solution Replace the spring.
3. The fuser roller is damaged
The upper fuser roller manufacturer tells you that the fuser roller is a very interesting existence in today's laser printer technology is very mature, because the structure of the fuser roller of each printer manufacturer is still very different. But one thing is that the heat must be applied to the paper through the fixing film. Some manufacturers have the fixing film directly on the fixing roller (there is a lamp inside), and some manufacturers are heating the lamp independently. After heating the fixing film, pass through Two pressure rollers for fixing.
The manufacturer of the Upper fuser roller tells you that if the fixing film is damaged, the heat will not be evenly transmitted to the paper, and the pressure will be uneven when the pressure is applied, resulting in poor fixing. Solution Replace the fixing roller (fixing film) or directly replace the fuser.
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