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heater setting

Discussion in 'Mimaki' started by CL Graphics, Dec 4, 2007.

  1. CL Graphics

    CL Graphics Active Member

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    Feb 24, 2007
    What is the proper pre heater and print heater setting for Oracal 3551Ra with a mimaki JV3. I am running both on 45 and getting a bands in my print. The bands are lengthwise not width. By bands I mean it is printing darker between where the feed rollers run. It also looks like the vinyl is raising up a little between the rollers which I assume is causing the bands. Anyway I am going to lower the heat settings just not sure which one or how much. Thought maybe I would see what others are using.
    thanks
     
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  2. gabagoo

    gabagoo Major Contributor

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    Vaughan, Ontario
    I try to keep the pre heat and the print heat about 5 degrees celcius different. I think 45 may be to hot.
     
  3. CL Graphics

    CL Graphics Active Member

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    Feb 24, 2007
    the oracal guys told me 45 so thats what I have been using. I just dropped the print heater to 40 and it seemed to help. What do you run yours at
     
  4. ColesCreations

    ColesCreations Member

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    Dec 15, 2006
    I have found that if it sits still with high heat it buckles, we have gone from 45 to 38 on vinyl. Don't know if it's better or worse.
     
  5. jc1cell

    jc1cell Active Member

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    The bands are from the vinyl raising and causing a shorter distance for the ink to travel onto the media. Play around with the heat settings until you find your useable setting. Usually the best setting is what works best for your shop and could be different than what works for anyone else.

    As for me, I use it at 50 and have no issues at all. I'm thinking of dropping it to 45 and see how it works just to be on the safe side.

    jc
     
  6. signguytom

    signguytom Member

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    Feb 14, 2007
    I have found that if you set your print heater 2-3° cooler than the pre heater it helps with buckling. With that particular film, I have my temps set at 36° Pre, 34° Print with OEM SS2 inks. If you are using 3rd party inks, then these settings might not work for you.
     
  7. gabagoo

    gabagoo Major Contributor

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    Vaughan, Ontario
    38 -33
     
  8. synergy_jim

    synergy_jim Very Active Member

    roland

    we run our roland on 34 preheat and 36 print heat with the dryer on 52

    hope that helps

    JD
     
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