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HELP... dx7 eco solvent printhead overspray in black

Discussion in 'General Signmaking Topics' started by discountdecals, Feb 10, 2015.

  1. discountdecals

    discountdecals Member

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    Jul 6, 2014
    Hi Folks,
    I have a dx7 printhead with what looks to me as overspray, far too much ink coming out or not shutting off as it should.
    I thought it was dirty so i have cleaned and better cleaned using cleaner, syringe and a vibrating cleaning unit.
    Please advise asap or where i can get it professionally cleaned in the uk, thanks folks
     

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  2. discountdecals

    discountdecals Member

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    Jul 6, 2014
    If I lower it, then the guard clips the paper holders on either side, if it was too high would it not be the same across all colours?
    Thanks for the suggestion - it might be, what do u think?
     
  3. discountdecals

    discountdecals Member

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    Jul 6, 2014
    head height is 4mm


    Hiya, head height from paper is 4mm - is this too high?
    Thanks
     
  4. VanderJ

    VanderJ Merchant Member - Printer Parts and Sevice

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    Aug 2, 2011
    Denver, CO
    In general Epson based heads should be 2mm to 3mm off the platen(not the material). Some machines do have an adjustment to make the height 3mm in low setting and 4mm in high but it is usually only used for printing on thicker than normal material.

    Make sure your wiper is not stuck in the wipe position while the printer is printing as that can cause your issue. Other than that I would start looking at static issues, electrical issues and maybe even replacing the head.
     
  5. discountdecals

    discountdecals Member

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    Jul 6, 2014
    VanderJ you're a star

    Thanks so much.... something so simple, i had a really dirty wiper... I'm sure you can guess i'm pretty new to this all, a dirty wiper.
    Is there a dummy's guide to eco solvent printing at all... and where can i buy it, thanks again folks, have a great day
     
  6. MagnetStew

    MagnetStew Member

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    Mar 8, 2012
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    Having been eco-solvent printing for 3 years now I can tell you that you pretty much have to write your own dummy's guide from all the mistakes that you make......or.....spend lots of time browsing signs101.com....:)
     
  7. John Thomson

    John Thomson Member

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    Aug 16, 2012
    Scotland
    I would check the cleanliness of the sides of the head as well.........should be kept clean by wiping with a swab soaked in cleaning fluid.

    John
     
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