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Troubleshooting Ways to UV DTF Printer

Release Time:2023-06-12
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It is unavoidable that problems such as blank printing, ink cracking, and UV DTF printer light pattern will arise during normal operation of UV DTF Printers. Each issue will have an impact on user efficiency and expense. How do we address these issues? Is it referred to a professional maintenance department for upkeep? In truth, we can address some minor issues on our own. The following is a brief summary of UV DTF common problems and remedies!

Common faults and solutions:

Fault 1  Blank printing

During printing, the UV DTF Printer does not output ink and prints blank. The majority of these failures are caused by nozzle blockage or ink cartridge exhaustion.

If the ink has run out, this is a good remedy. Simply refill it with new ink. If there is still a lot of ink but a blank print, the nozzle may be blocked and has to be cleaned. AGP offers strong cleaning liquid, please feel free to contact us if you need it.

If the nozzle still fails to output ink after cleaning, it is vital to determine whether the nozzle is broken. As a result, it is required to discuss this with the manufacturer.

Fault 2 UV DTF Printer nozzle missing

Some nozzles may not output ink throughout the pattern printing process. The nozzle channel is blocked, the nozzle’s working voltage is incorrectly set, the ink bag is blocked, and the ink problem and negative pressure are incorrectly adjusted, all of which will result in ink interruption.

Solution: load ink, clean the nozzle hole with cleaning solution, adjust the nozzle’s working voltage, soak and ultrasonic clean the nozzle, replace high-quality ink, and set the suitable negative pressure value.

AGP has detailed cleaning and adjusting instruction files, helping customers to do better maintenance.

Fault 3  Pattern is not bright

The faint color of the pattern printed by the UV DTF Printer may be caused by dry ink, the incorrect ink model, the air inlet in the ink supply pipe, the printer’s high working temperature, and nozzle blockage. If it’s an ink issue, simply replace the ink. When the ink supply pipe’s inlet, it is important to exhaust the air before operating. The UV DTF Printer’s working time is too lengthy and the working temperature is too high, we must stop working for a while and wait for the temperature to drop.

Fault 4 Ink peel off after the printer has finished printing.

This could be due to faulty coating, direct coating without cleaning the printing material, or printing before the coating has completely dried.

Solution: To avoid ink falling off, clean the printing material before spraying or begin printing once the coating has completely dried.

Fault 5 UV DTF Printed Image Tilted

Phenomenon: a random and unpainted spray appears on the image.

Causes include an inkjet data transfer processing error, a malfunctioning carriage board, a loose or faulty data connection, an optical fiber fault, a PCI card issue, and an image processing difficulty.

Solution: arrange the printhead, test each one individually, remove the problematic sprinkler heads, change the data line (printhead cable or carriage board data cable), replace the carriage board/optical fiber/PCI card, and reload the image for processing.

Working Space

It is clear that the weather is changing from cold to warm in the UV DTF Printer’s working space, please close all doors and windows immediately, and do not open the exhaust fan as much as possible to avoid pumping the humid air outside into the room. Even if an air conditioner is installed in the UV DTF Printer’s working environment, you can turn it on for dehumidification and utilize the dehumidification or refrigeration equipment to dehumidify the room. If the moisture regain is excessive, it is advised to use a dehumidifier, which will have a more effective effect. Remember, especially while turning on the air conditioner, to close the doors and windows to aid dehumidification.

Moisture-proof storage of appropriate printing medium materials is required. Printing media absorbs moisture easily, and damp photo materials easily cause ink dispersal. As a result, after each use, the photo materials must be returned to their original packaging while being careful not to touch the ground or the wall. If you don’t have a packing bag, you can wrap and seal it with the bottom of the membrane.

UV DTF sticker peel off

It can be judged from the following aspects. 1. UV ink. It is best to use neutral or hard ink. 2. Varnish and white ink must be used when printing, preferably 200% output. 3. Lamination temperature. If the temperature is too low, the glue coating may not perform well. 4. The most important thing is to use a combination of UV film with stable performance. AGP has equipped the AGP UV DTF Printer with the most suitable ink and UV film, which has been approved by our customers after many tests. Welcome your inquiry!

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