When someone finds it very difficult to repair and refurbish digital printing equipment, in fact, many machines are incredibly dirty. Just as some screen printers ignore their screen printers, many digital printers also neglect to clean and maintain their digital printers, so that they have a headache and cost money unnecessarily. Read the following, when you understand how fast and easy maintenance of digital printing machines can be, you may be ashamed of your past behavior.
If you buy a new car, I believe you will not just drive it without stopping for routine maintenance tasks such as oil changes and tire pressure checks. Similarly, when you buy a digital clothing printing machine, you also need to occasionally give this machine some "gentle care". Doing so can extend the life of the printing machine and ensure that it can run trouble-free and efficiently. In addition, maintaining your digital printing machine properly can also help save ink, minimize print head cleaning and nozzle detection frequency, avoid waste of printed clothing, and avoid the replacement of printing machine print heads and other components.
The following suggestions are mainly for digital garment printing machines based on EPSON technology, such as: AnaJet, Flexijet, DTGKiosk and HM1, as well as the T-Jet printing machine produced by USScreenPrint & InkjetTechnology, which is now closed. The principle of daily maintenance is universal, and it is also of great benefit to the owners of Brother, Kornit, and other printing machines that are not based on EPSON technology.
The routine procedure takes five minutes to clean the digital printing machine after work. Use a mild liquid, such as Formula 409 or isopropyl alcohol, and wipe the outside of the machine with a paper towel to keep the appearance clean. Then, gently clean the inside of the machine with a swab.
Use the special swab that comes with the printing machine for cleaning, and buy a new spare from your supplier. Do not use cotton swabs bought from pharmacies or grocery stores-they will leave residual cotton wool inside the machine. Pay particular attention to the rubber pads on the nozzle cover set, where ink clogging is likely to occur. In addition, when wiping off excess ink from the print head, be careful not to touch the print head itself.
You should clean the encoder belt once a week. This tape is engraved with an almost invisible pattern. If the pattern is dirty, the printer will not be able to read it, and errors may occur. Use a standard alcohol wipe available from most pharmacies to clean. Clean the belt in the direction of its elasticity and avoid stretching it.
The pharmacy also sells a product called "Swipe", which is a lens cleaner, a perfect encoder with a cleaning tool. "Swipe" looks like a pair of tweezers with two circular pads at the ends. Spray a small amount of Windex cleaner on the two pads, squeeze them together and wipe them until the encoder belt is clean.
Every month, you need to oil the track of the digital printing machine and lubricate the metal track where the print head runs. When you do this, you can remove all threads (fluff) from the guide belt that drives the print head. Otherwise, the tape will jump during printing.
Spare parts For most users, this daily / weekly / monthly regular maintenance should be performed well. If you are an advanced user, you should also have several spare parts for replacement, as wear and tear will eventually require you. For example, there is always a spare encoder belt on hand—relatively speaking, it is an inexpensive component that does not exceed $ 20.
You also need to have a spare nozzle cover set on hand, which is the part on which the print head is placed. The nozzle cover group is like a vacuum cleaner, which sucks out the waste ink when you clean the print head. This part works often, so you may need to replace it once or twice a year. Depending on your device model, a spout cover group costs from $ 60 to $ 200.
You also need to have extra velvet pads. This 2 "× 2" size part is very small and placed on the opposite side of the print head to absorb excess ink so that it will not splash everywhere and stain the machine (EPSON4800 / 4880 and 7800/7880 models do not have these velvet pad). Whenever you see a large ink stain appearing on the pad, then it is time to replace it. Check the velvet pad as part of your daily / weekly regular maintenance.
Similarly, if your machine uses an external waste ink tank, watch it carefully. When it is full, take the bottle out of the machine and pour out the ink (remember to understand the relevant regulations of the local government regarding the disposal of waste ink).
Humidity will affect your digital printing machine and its print head. In fact, the larger the machine, the higher the sensitivity to humidity. Use a hygrometer to measure to see if the humidity in the printing workshop is in the ideal range of 40% to 80%. Digital hygrometers are available from hardware stores for $ 10. Humidifiers and dehumidifiers can help you adjust the indoor humidity level and keep it within an ideal range. Normally, it is necessary to increase humidity in winter and reduce humidity in summer. The humidity level of the printing workshop is very important for the health of the digital printing machine, so pay close attention.
Digital printing machines are also sensitive to dust and heat, so keep a clean environment and a temperature of 65 ° F to 80 ° F. Think of the machine as part of the office equipment. If it's in a hot 100 ° F environment, you would never put your high-end color laser copier next to a screen printing machine, right?
Finally, you have to replace the print head. Depending on how much you take care of the print head, its lifespan can be from a few months to a year and a half. New print heads are generally between US $ 300 and US $ 600, and 10,000 to 50,000 prints-depending on the brand of the printing machine. However, regardless of the brand, keeping the machine clean is always critical to extending the life of the print head.
By printing a series of lines of different ink colors, the nozzles are regularly checked to pay close attention to the condition of the print head. If a line of a certain color is missing, or if jagged lines appear, you should understand that you have encountered a problem: a print head is clogged or worn out and cannot be used.
More suggestions No matter how much effort you make, it is always easy to ignore the regular maintenance of the equipment. Today or tomorrow, it is inadvertently omitted. Before awakening, you have lost this habit and ignored the machine. Adhere to the practice of performing equipment maintenance records, which indicate the contents of your daily maintenance and register the work performed one by one.
In addition to helping you remember what kind of maintenance has been performed and when, when you decide to sell the old printing machine, equipment maintenance records can also increase its residual value. Undoubtedly, the potential buyer is more willing to pay a higher price for a printing machine with regular maintenance records showing the original owner.
One area where you should not intervene is the circuit device of the printing machine. If something goes wrong with the circuit board, don't act rashly. Let your supplier solve this problem. Some vendors will also provide comprehensive machine adjustments, including inspection of circuit devices-this is really a good idea, especially if you have a larger, more complex digital printing unit.
Moreover, don't leave the machine still for several days, otherwise there will be a risk of ink clogging. If there is no printing business one day, then print some sample shirts. Many printers use software programs that run regular print head cleaning to avoid clogging problems. If you plan to leave the printing machine idle for a few days, flush the ink and install a purifier-this is a relatively inexpensive method to ensure that liquid can flow through the machine regularly.
Similarly, if you do not plan to use white ink for a long time, use clean liquid or distilled water in its place. When you are ready to start using white ink again, just empty the cleaning liquid and fill the bottle with white ink. This is a good way, because white ink is more prone to clogging than other inks. Another useful suggestion about white ink: After every work day, gently shake all the bottles containing white ink.
Most of these digital printing machine maintenance methods are simple and inexpensive. The key is to develop good habits. In this way, your printing machine can always maintain the best performance state.
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