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  1. #1
    Premium Member
    Unitus's Avatar


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    Mar 2002
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    minneapolis, mn
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    Default Humidity: Any Tips?

    I had a bitch of a time printing last night, and I'm pretty sure there are no "easy fixes" for dealing with humidity, but I figured I'd throw it out there and see if y'all have any ideas.

    First problem was just emulsion/screen drying, but was solved pretty quickly with dual fan action hitting both sides of the screen until dry. I think we'd also benefit from having a dehumidifier in the screen area.

    Next: Amy Jo was kind enough to pre-rack my paper, to hopefully avoid buckling when printing, but it didn't work, and I had a major crease on every print that screwed up the top-half of my sheet (luckily, I was ganging two print jobs on this sheet, and the top was a "for fun" print)...

    Solution would probably be heavier stock (I was using 140lb Exact Index (equivilent of maybe 80lb), and allow for longer dry times between colors. Right?

    But since that wasn't an option (all three colors had to be printed last night) are there any other work-arounds for that?

    Post any anti-humidity tips/tricks here, please.

  2. #2
    andydiesel's Avatar

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    Mar 2003
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    Portland, Oregon
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    Default

    When we switched from solvent based inks to water based we wend from 80lb cover to 100lb cover and it helped a ton with the buckling issue

  3. #3
    Premium Member
    largemammal's Avatar


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    Aug 2002
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    Jersey
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    Default

    Beer always helps.

  4. #4

  5. #5
    squeegeethree's Avatar

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    Dec 2006
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    Brooklyn, NYC
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    Default

    Prerack works best if it's done for at least 10-24hrs ahead of time. Thicker the paper the longer it should be in the racks. There's nothing you can do about it if it's a rush job.

  6. #6

  7. #7
    phoondaddy's Avatar

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    Oct 2004
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    Austin
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    Default

    Air conditioner.

  8. #8
    Premium Member
    Tenebrini's Avatar


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    Nov 2002
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    Minneapolis
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    Default

    80 grit

  9. #9
    SpaceMonkey's Avatar

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    Apr 2006
    Location
    Long Beach, CA
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    732
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    Default

    Hang those little silicon baggies everywhere - like what Kevin Spacey did with the car air freshners in Seven?

  10. #10
    POE's Avatar

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    Sep 2003
    Location
    Chicago
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    Default

    Thank God every day that you are not in Houston

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