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Reds are turning brown

Discussion in 'Digital Printing' started by Garyd3599, Sep 22, 2020.

  1. Garyd3599

    Garyd3599 New Member

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    Mar 22, 2018
    Utah
    I have a mimaki cjv150-130. I have printed banners with it for about 3 years now. I have loved it and had no problems. Then, suddenly my reds are turning brown. (printing cardinal red but even the normal red is muddy).
    I am using greenstar 13 oz banner material from uscutter.
    I am using nazdar 153 series ink.
    I have been using those products for over a year with no problems.
    I have tried different icc profiles. Nothing is changing it.
    I think it is either a profile problem or an ink problem.
    Does anybody have any ideas?
     
    Tags:
  2. SignMeUpGraphics

    SignMeUpGraphics Moderator

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    Apr 11, 2012
    Australia
    Can we start with a photo of a nozzle test on the suspect media please?
     
  3. Garyd3599

    Garyd3599 New Member

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    Mar 22, 2018
    Utah
    Is this the one print you mean?
    IMG_0183.jpg
     
  4. Krissy Louderback

    Krissy Louderback Member

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    Aug 5, 2019
    Port St. Lucie, FL
    If you have been using that profile, material and ink and haven't had this problem before, my guess would be a bad ink cartridge. Did this start happening after replacing one of your inks?
     
  5. Solventinkjet

    Solventinkjet DIY Printer Fixing Guide

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    Aug 2, 2011
    Denver, CO
    Nozzle check looks good but it's still possible that the magenta is dropping out during the print. That would cause reds to be more brown. If you haven't changed the dampers in over a year, that's where I would start.
     
  6. TomClarke

    TomClarke New Member

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    Dec 2, 2011
    Lakeland, Ga
    It could also be a material issue. Different white points can cause color changes.
     
  7. Garyd3599

    Garyd3599 New Member

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    Mar 22, 2018
    Utah
    I changed the damper just a few weeks ago.
     
  8. Garyd3599

    Garyd3599 New Member

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    Mar 22, 2018
    Utah
    I replaced the yellow, cyan and magenta in the past month. Do you think it would be the magenta one or could it possibly be the yellow?
     
  9. jwlllpl

    jwlllpl Member

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    May 6, 2016
    Florida
    I see you have printed using this particular file before but maybe try test printing a series of squares with various shades of red to see what happens and rule out a problem with the file for sure.
     
  10. Solventinkjet

    Solventinkjet DIY Printer Fixing Guide

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    Aug 2, 2011
    Denver, CO
    Post a picture of the issue. If the reds start out ok and then fade to brown, that's a damper/dropout issue. If it starts brown and never looks red, that is most likely a profile issue.
     
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