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  1. Ink dry too fast

    You can use a clean soft cloth dipped in magnesium carbonate powder, and gently wipe the surface of each printed matter to make the surface rough; irradiate with infrared rays to make the ink layer expand and become thicker; if the quantity is large, the humidity can be adjusted to make the ink...

  2. whats a good ink

    The ink with bluish-violet light is the best, followed by black, and the ink with red-yellow light or white is the worst.

  3. Ink splatters

    If the water level is low, it may be an ink quality problem.
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