(English)
Direct-to-film (DTF) printing has become a go-to technology for high-quality image transfers, allowing for vibrant, sharp designs on a range of materials. However, one issue that many users face is the appearance of white edges in their prints. These unsightly borders can affect the final product, especially when creating custom designs on garments, accessories, or promotional materials. In this article, we’ll dive into the possible causes behind these white edges and explore actionable solutions to resolve them.
One of the leading causes of white edges in DTF printing is improper printhead alignment or insufficient maintenance. The printhead is responsible for placing ink precisely on the film, and any irregularity can lead to streaks or unwanted borders.
Solution: Make sure to maintain your printhead regularly by cleaning it according to the manufacturer’s instructions. Dirt, ink buildup, or clogs can cause ink to be deposited unevenly, leading to white edges. Additionally, adjust the printhead height (usually around 1.5–2mm) to ensure the proper ink flow, preventing unwanted gaps in the print.
Static electricity can be a silent culprit behind many printing problems, especially during the colder months. DTF printers, with their sensitive components and short internal electric circuits, are particularly vulnerable to static buildup. High static levels can cause the transfer film to shift, leading to misaligned prints and white edges.
Solution: Control the environment by managing both temperature (15℃–30℃) and humidity (50%-75%). Ground the printer using a grounding cable, and use alcohol or anti-static wipes to reduce static before each print. Keeping the workspace free from excessive dryness will help prevent these disruptions.
Sometimes the issue isn’t with the printer or the materials, but rather with the artwork itself. If the original design contains hidden white borders or incomplete paths, the printed product may end up with unwanted white spaces around the edges.
Solution: Check the artwork before printing. Use software like Adobe Photoshop or Illustrator to examine and remove any unintended white borders. Ensure that the artwork fits within the printable area and that no layers or outlines interfere with the design. Double-checking the design files can save time and improve print quality.
The quality of consumables used in DTF printing can significantly impact the final result. Poor-quality PET films and ineffective powder coatings can lead to uneven ink distribution, causing visible white edges in the print.
Solution: Invest in high-quality PET films, such as those with anti-static properties and oil-based coatings, which can reduce the occurrence of white borders. AGP offers premium PET films that are designed to perform well in DTF printing applications. Similarly, use anti-static hot melt powder to ensure smooth transfers and eliminate white edges.
Sometimes, white edges can appear if the film is not placed correctly on the printer bed. Misalignment during the loading process can cause the film to move slightly during printing, leading to inaccurate ink placement.
Solution: Always ensure that the film is properly aligned and securely placed on the print bed. Double-check the film position before starting the print job and ensure there’s no shifting or curling that could affect the print quality.
The RIP (Raster Image Processor) software is the bridge between your design and the printer. Incorrect software settings, especially those related to print boundaries, can cause white edges by incorrectly defining the printable area.
Solution: Review your RIP software settings to ensure they are configured correctly for the specific type of film and material you are using. Adjust the margins and print area to match the media size and ensure full coverage without leaving unwanted white borders.
White edges in DTF prints can be frustrating, but they are usually caused by manageable issues like printhead misalignment, static electricity, or incorrect consumables. By taking a proactive approach to equipment maintenance, managing your environment, and ensuring that your materials and designs are up to par, you can minimize or eliminate these pesky borders. Regular checks and adjustments will lead to cleaner, more professional prints every time.
If you're still experiencing issues, don't hesitate to contact our technical support team for personalized assistance. Happy printing!
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