5 Reasons Why Print Head of Digital Printer Is Burnt

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5 Reasons Why Print Head of Digital Printer Is Burnt

The print head is an indispensable carrier for digital printing production, but the operation is not good, the print head is easy to be burned, do you know why the digital printer print head is burnt?

digital printer

There are 5 reasons why the digital printing machine print head is burnt:

1. The static electricity is too high

Excessive static electricity can affect the printing effect. In severe cases, it can damage the circuit part of the printer. Especially in the autumn and winter seasons, if the human body is too high, if you touch the print head directly, it will easily damage the circuit part of the print head. Therefore, not only the printer has a good and stable grounding, but also the operator is in contact with the machine and the print head. Be sure to do anti-static measures, such as with anti-static meters.

2. The positive and negative poles of the power supply are reversed.

This kind of operation is illegal. During the operation, try to follow the standard operation, especially the print head of the wide-format digital printing machine. If it is not necessary, try not to insert or pull the circuit to avoid the positive and negative connection of the power supply. Reverse operation.

3. Staying in the “dry burning” state for a long time

If the print head of the digital printing machine is in a “dry burning” state for a long time, it is naturally easy to be burned.

4. The working voltage is too high

If the print head is operated under high load for a long time, it is easy to cause aging of the piezoelectric crystal, especially for the piezoelectric print head.

5. Strong corrosive ink or other liquid gets on the printed circuit board

How to get strong corrosive ink or other liquid on the circuit board of the print head can easily cause short circuit, especially solvent ink. Therefore, in the process of processing the print head, we need to pay special attention to not to blot the ink onto the data line interface of the print head, which is likely to cause a short circuit. In severe cases, the print head will be burnt.

The above 5 points are the reason why the digital printing print head is burned, I hope to help you digital printing practitioners. In the daily production of digital printing, everyone should pay more attention to the maintenance of the print head. If the print head is burned, there is usually no way to recover it. It can only be scrapped and replaced with the print head. This increases the production cost.


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How to Debug the Newly Installed Print Head of Inkjet Printers?

You may encounter problems such as the inability of newly installed print head, sometimes are not caused by the quality of the print head itself. The following are some of the issues that should be noticed in newly installed sprinkler heads. Hope to be helpful to you.

print head

1. When installing high-precision inkjet printer heads, you must remove the sealin accordance with the instructions. But do not remove other sealsat will, otherwise the ink will leak;

2. Whenever installing a new high-precision inkjet printer print head, it is generally necessary to clean the print head 3-5 times;

3. When any high-precision inkjet printer head is ink-free or unmounted, the high-precision inkjet printer will not work even if other print heads contain ink;

4. Once the new high-precision inkjet printer print headis settled, it is best not to remove it before replacing the print head;

5. Unless you want to replace the high-precision inkjet printer print head, do not open the print headprotection clip, otherwise the print headmay not be used again;

6. Do not stick your hand into a high-precision inkjet printer or touch-head when working with a high-precision inkjet printer;

First check that you have run out of a certain color of ink inside the cartridge, and then consider the following reasons:

1. Follow the instructions to remove the label. The air duct and the air guide hole are still in a closed state. The air can not enter the print head. Then the label can be completely torn off.

2. Small bubbles remain in the orifice. At this time, the print head should be cleaned so that small bubbles can be discharged.

3. There are impurities in the air into the air or in the print head. The solution is to start the printer automatic cleaning program to clean the print head one or more times. Or turn off the printer and stop using it for a few hours. See if the situation has improved. If you cannot solve the problem, it is suggested to be repaired.

DX5 print head

4. There is a relationship between the print line and the print mode selected by the user. If use the ink-saving method to print, the output screen is rough and has lines. If use 360DPI printing method to print, the output screen is more smooth. It usually use 720DPI print mode for color image printing. In order to better effect, you can use 1440DPI print mode. The quality of the output graphic is related to its own resolution. The higher the resolution, the better the graphic quality of the output. This shows that the graphic output is not only related to the print headof the high-precision inkjet printer, but also closely related to the graphic itself and the print settings.

5. There is a little white line, which may be caused by long-term printing and the use of some paper with poor paper quality. There are paper particles on the surface of the paper, and the particles may adhere to the print head. Then it results in cause a part of the ink hole plugging.At this time, print cleaning should be performed. If there is no effect, send to the maintenance department for maintenance.

Today’s article is shared here, We FeiYue Digital Technology Co., Ltd mainly manages sublimation paper, inkjet printer, digital printing inks, calendering machines and print head etc accessories. If you are interested in our products, please feel free to contact us. We will reply as soon as possible. Thanks for your browsing.


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