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This is called carbonless printing paper, but what you see in the sprinkler building should be one of the financial paper products now. The main thing is to coat a layer of microcapsule chromant on the back of the first paper and the chromogenic agent on the second sheet, and the microcapsules in it are developed through chemical reaction by applying pressure, and there is no chromogenic agent on the back of the first sheet, so it will not develop color on the other hand.
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I've been using this paper for invoicing, but I don't know exactly what it's for.
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Strictly speaking, you're talking about "carbon paper". Copy paper is mainly used in laser printers or copiers.
Different from traditional carbon paper, you see carbonless carbon paper, which does not need to be coated with wax, because it is coated with chemicals.
Carbonless carbon paper is divided into upper paper, middle paper, and lower paper. On the next side of the previous and middle sheets, a certain drug is coated, and on the upper side of the middle and next pages, another chemical is coated. When the previous page, the middle page (you can do without it or until there are 6 pages), and the next page, when you are subjected to the impact of the printing needle or the pressure of the pen tip, the two different drugs will meet and show excellent marks, so as to achieve the purpose of copying.
Depending on the potion, it comes in a variety of colors.
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This is related to the process of carbon paper, 1, it is related to the color development of the capsule in the paper, 2, and the order of placing the paper on the middle paper. The second sheet of carbonless carbon paper contains a special capsule, and the second and third pages of the carbon paper have capsules. If you put the top paper on the middle paper, the color will not develop.
I also asked this question to a friend who made Tianzhang Dragon Paper. Hehe.
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The paper used for copying and printing is printing paper, which is divided into two types: whole wood pulp and straw pulp according to the raw material. High-quality copy paper has a better copying effect, which can effectively extend the life of the printer toner cartridge. Inferior copy paper will affect the key health of the copier, and will also have a great impact on the copying and printing effect.
The whole wood pulp ** is slightly higher, but the copying effect and texture are significantly better than the latter, and the copying paper is less, which is beneficial to the work of the copying equipment. In production, acidic copy paper and neutral copy paper are distinguished by different processes. Neutral copy paper ** is slightly higher, but it is not easy to generate static electricity, and it is not easy to card copy paper in copying, and it is also harmless to human health.
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A photocopier is an indispensable piece of office equipment that is used to copy documents, print documents, scan documents, etc. However, there are times when we encounter some problems when using a photocopier, such as the wrong paper type. The solution to this problem is not complicated, so I will introduce them one by one
1.Check the paper.
First of all, check that the paper in the photocopier is correct. It is important to note that each type of photocopier has different paper requirements, such as size, weight, color, etc. Make sure that the paper you choose is in accordance with the instructions of the copier, and if you are unsure, you can take out the paper first and compare the specifications.
2.Replace the paper.
If the paper is found to be non-compliant with the copier's regulations, it needs to be replaced in time. If it is colored paper or special paper, it is recommended to end the current task and select the paper that meets the requirements.
3.Clean the paper tray.
When an error occurs in the paper type, it can also be due to dust or debris in the paper tray. Therefore, the next step should be to thoroughly clean the paper tray and other parts to help the paper move around properly.
4.Restart the copier.
If replacing the paper and cleaning doesn't help, you can try restarting the copier. Sometimes, the copier malfunctions for various reasons, and the problem is automatically resolved after a restart.
5.Check the user manual.
If none of the above measures have the desired effect, you should carefully check the user manual of your copier. The owner's manual often provides detailed instructions on troubleshooting the copier. If the information is not available in the user manual, it is recommended to contact the manufacturer of the copier or technical support.
In short, when you encounter a paper type error, don't panic too much, follow the above steps or forest things step by step to solve the problem, I believe you will be able to solve the problem.
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Photocopiers are an indispensable equipment in modern office life. However, in the process of using a photocopier, we often encounter some annoying glitches, among which "Add Paper Glitch" is probably the most common one. What to do when the photocopier says "Add Paper", but in fact it already has enough paper?
First of all, we need to clarify the cause of "paper failure". The main reasons for this failure are as follows:
1.Too little or too thick paper: Sometimes, the copier's sensor will not feel the paper, which may be because the paper is too little or has not been used for too long, causing it to stick together or deform. At this point, it is necessary to tidy up the paper and dispose of the dust and debris attached to the paper pile.
2.Tray adjustment is incorrect: The pallet of the photocopier is the area where the paper is placed. If the tray is not in place, it may cause the copier's inability to sense the paper that is already there. At this point, we need to readjust the pallet to the correct position.
3.Sensor failure: There is a sensor in the copier that detects the amount and position of paper. If the sensor fails, it may cause the copier's paper to not be detected correctly. At this point, the photocopier needs to be sent in for repair.
4.Print Queue Document Error: Sometimes a paper add glitch can be related to an error in the print queue document. We can try to cancel all documents in the print queue and start printing again.
So, if we encounter a "paper glitch", how should we solve it?
First, we need to check the copier's display to determine what kind of problem is causing the failed added paper to occur. If the problem stems from insufficient paper quantity or too thick paper, we need to put the paper back in the tray after it has been sorted out. If the problem persists, we need to reposition the tray to ensure that the paper can be sensed correctly.
If these measures are ineffective, maintenance personnel need to be called in for inspection and repair.
In short, we can't just assume that the failure of the copier, it may be due to other reasons. Only by gradually eliminating and eliminating the problem can we make better use and maintain the photocopier and ensure the normal operation of the copier.
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There are 4 reasons why multiple pages are fed at a time.
1. The position of the printer paper. Incorrect placement of the printing paper will lead to the occurrence of multi-page paper, and the correct paper height cannot be higher than the arrow mark on the left rail of the paper slot; Secondly, check whether the specifications of the printing paper meet the requirements of use: printing paper weighing up to 60 180 grams can meet the requirements, while ultra-thin printing paper weighing less than 60 grams is prone to the phenomenon of multiple feeds at the same time.
2. The degree of curl on the surface of the printing paper. Curling can also lead to multiple pages at once, so it is necessary to make sure that the surface of the paper is flat and smooth, and if it is slightly curled, you can find a way to flatten it.
3. The influence of electrostatic induction. Electrostatic induction can also cause multiple sheets to be fed at once, so the paper must be spread out in a fan pattern before installing it to ensure that each sheet can be separated separately before loading it into the guide slot in the correct way.
4. Adjust the position of the lever. For printers with paper thickness adjustment function, it is important to adjust the position of the adjustment lever. The position of the paper thickness adjustment lever is also different when using different papers, for example, when using regular thickness printing paper, the position of the adjustment lever must be set to "0".
Of course, different printers have different adjustment standards for the adjustment rod, so it is best to refer to the manual.
The printing machine runs the paper around. When a page is printed, a piece of paper is suddenly left blank, and then it is automatically reprinted. This is often the reason why the paper detection switch contacts are in poor contact due to wear and dust ingress over time, causing the printer to make wrong judgments.
Disassemble the printer, find the paper detection switch, carefully clean it with alcohol, and it can return to normal.
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There is also a clutch inside the machine. Divide the paper for use.
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Generally speaking, it won't be a problem with the paper, your re-copying method is too funny, the landlord took out the toner cartridge, opened the lid to reveal the glue stick inside, there will be a black mark on it, take a clean paper or towel to wipe it off, and then copy, a short tube for a while. But to solve the problem for a long time, please clean up the waste toner in the toner cartridge.
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