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Heat setting?

Discussion in 'Digital Printing' started by Colin, Jun 14, 2012.

  1. Colin

    Colin Major Contributor

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    I've got this huge banner job, and big sections of the background is solid black.

    On my Roland SP540i, I've got the dryer temp at 44 (Pre-heat at 39). For handling purposes after each print is finished, I'd like to have the dryer as hot as possible without negatively effecting something else. How high could/should I go?
     
    Last edited: Jun 14, 2012
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  2. ChicagoGraphics

    ChicagoGraphics Major Contributor

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    Goto 500F
     
  3. Colin

    Colin Major Contributor

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    That was helpful.
     
  4. kffernandez

    kffernandez Member

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    i usually maintain my heat at my usual settings. no point messing around with the settings unless you can afford to make a mistake. different medias obviously have different tolerances. then i just point a fan at the bottom to make sure that it's perfectly dry by the time it reaches the take-up reel.

    kelly
     
  5. Colin

    Colin Major Contributor

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    I forgot to mention the details:

    Roland EcoSolinks, and UltraFlex JetFlex 13 oz gloss banner material.
     
  6. GAC05

    GAC05 Major Contributor

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    I run my post heater as high as it will go (50c) while running in 4 pass banner mode but mutohs have 3 heaters and the platen heat is not effected by the dryer.
    Might not work as well on a Roland.

    wayne k
    guam usa
     
  7. Wiggum PI

    Wiggum PI Member

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    You should be able to max the drier out(50?) with no issues on banner.
     
  8. john1

    john1 Guest

    On banner 13oz ultraflexx i always have heater at 104 and dryer at 90. No headstrikes that way on my 300i
     
  9. Colin

    Colin Major Contributor

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  10. john1

    john1 Guest

  11. Colin

    Colin Major Contributor

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    But my concern with this particular job is that the huge floods of 100% black are as dry as possible. With your settings, it would not be dry enough. This is a big job with a real time crunch.
     
  12. john1

    john1 Guest

    My little 30" has printed a 8' full coverage (black with white lettering) before no problems.
     
  13. wedosigns

    wedosigns Member

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    John 1 is probably right!
    Ultaflex is very forgiving and absorbs really well.
    I believe the heat adds to the absorption of the ink, not the carrier(solvent).
    Add a fan on the floor to disapate the solvent.
    Bruce
     
  14. longlivemedia

    longlivemedia Member

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    I think keeping it at constantly hot temp would do. Just make sure that it isn't hot enough to just dry the outer part rather than uniform dryness.
     
  15. SightLine

    SightLine Very Active Member

    I max our Mimaki's post heater at 50 as well for something like this. Actually for a lot of stuff I keep it maxed at 50.
     
  16. WYLDGFI

    WYLDGFI Active Member

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    Get a small fan or 2 to blow across the media at the TAKEUP on the bottom. Not into your print platen....this will also help with the degassing.
     
  17. gabagoo

    gabagoo Major Contributor

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    I run a floor fan before the take up reel for all haevy inked prints.
     
  18. Colin

    Colin Major Contributor

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    Yes, I've started using a fan as described on the prints with heavy ink coverage. Thanks for the tip.
     
  19. J Hill Designs

    J Hill Designs Major Contributor

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    yeah I run my post-heat maxed (50) for banners
     
  20. Gene@mpls

    Gene@mpls Very Active Member

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    Same here on VP540
     
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