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Question small dot of all colors in the print

Discussion in 'Flatbed Printers' started by quentin fournier, Dec 28, 2020.

  1. quentin fournier

    quentin fournier New Member

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    Dec 27, 2020
    france
    hello sorry for my bad english, i have a small A4 uv printer with pump function to mix white, i have a problem when printing on colors like "brown, purple, gray etc." i have small point of all the colors while on the primary colors "red black etc .. I have no problem I have been having this machine for 1 month and the after-sales service cannot solve my problem. Do you have any idea? ? thank you so much !

    https://ibb.co/nR9bkNJ here is the link to an example of my problem thank you very much
     
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  2. Hamster

    Hamster Member

    47
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    Oct 10, 2017
    Russia, Kazan
    Ink does not dry out during printing. What specific printer do you have, ink, rip? upload a photo of the printer
     
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  3. quentin fournier

    quentin fournier New Member

    7
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    Dec 27, 2020
    france
    Thank you very much for your answer you help me a lot !, I use this printer ( https://ibb.co/LxZ7nRL ) I do not know its name it has epson L800 printheads

    for the ink I buy it at a Polish wholesale here are the characteristics:

    COMPATIBLE with PRINTHEADS: EPSON.

    Viscosity: 8-15 cp
    Particle Size: <0.20 u
    Surface Tension: 25-35 dynes / cm
    PH: 6.5-7.5
    Temperature Limit: 65 ° C.
     
  4. quentin fournier

    quentin fournier New Member

    7
    0
    1
    Dec 27, 2020
    france
    ah and I am using acrorip 9.03
     
  5. Hamster

    Hamster Member

    47
    6
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    Oct 10, 2017
    Russia, Kazan
    Is the UV unit installed next to the carriage or after? If after, then nothing can be done. The ink should be light up immediately after the head is shot.
     
  6. quentin fournier

    quentin fournier New Member

    7
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    1
    Dec 27, 2020
    france
    yes the uv unit and just next to the print head
     
  7. quentin fournier

    quentin fournier New Member

    7
    0
    1
    Dec 27, 2020
    france
  8. Hamster

    Hamster Member

    47
    6
    8
    Oct 10, 2017
    Russia, Kazan
    change ink, see no other solutions
     
  9. quentin fournier

    quentin fournier New Member

    7
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    1
    Dec 27, 2020
    france
    I don't think so because when I put less white ink the result is good, but the color is a little less colorful than the original image https://ibb.co/h9cR3n8
     
    Last edited: Dec 29, 2020
  10. Hamster

    Hamster Member

    47
    6
    8
    Oct 10, 2017
    Russia, Kazan
    all right. less ink - less bleeding. This ink lacks surface tension force. Therefore, either change the ink or greatly reduce the print speed
     
  11. quentin fournier

    quentin fournier New Member

    7
    0
    1
    Dec 27, 2020
    france
    ok thank you very much i will try to change ink
     
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