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Mutoh Falcon outdoor Help?

Discussion in 'Digital Printing' started by Jthompson Designs, Feb 10, 2011.

  1. :banghead: Having issues with what looks like fish eyes in my prints on Orajet 3551RA and I am using the right profile for the media (I think) I have also tried dropping ink levels, also banding is it possible to get rid of it with these machines or should a guy just upgrade? any help would be great. Thanks Joe
     
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  2. J Hill Designs

    J Hill Designs Major Contributor

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    Sep 24, 2004
    media contamination or heat too low
     
  3. New Media and the rear heat is at 40 and front heat at 45. or is that not right
    Newbie at the solvent printing
     
  4. bayshorecreations

    bayshorecreations Very Active Member

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    Play around with your heat settings and see what you get. Try a few different test prints.
     
  5. will hotter dry faster? or will it help the ink more or less flow better or cause more issues? New at the Solvent printing, not use to this with my HP 5500.Thanks
     
  6. randya

    randya Very Active Member

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    Fisheyes are typically caused by 2 things.
    Media contamination
    Media itself (i.e. plasticizer migration)

    Contamination (typically from the shop or printer area) should have dark centers to the fisheyes. (pigments collect around the contaminant, dirt or dust)

    Media will have light centers. Unable to penetrate the surface pigments are drawned to the outside.
     
  7. Media is new both rolls and even tried old small piece, it is only happening in the black or real dark areas and the middle of the fish eye is white. what causes contamination if the media is in the original plastic bags? Shop is clean, what about heat settings or maybe too much ink? thanks for the help.
     
  8. J Hill Designs

    J Hill Designs Major Contributor

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    media is new to you...doesnt mean its new...
     
  9. So what you're saying is because it sits in a box wrapped in plastic it can still get contaminated? oh and it happens on my 13oz banner too but only with dark colors. What is it getting contaminated with or what causes this besides dust? Thanks
     
  10. randya

    randya Very Active Member

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    Apr 6, 2007
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    Problem is that there is something inhibiting ink from penetrating into the media.

    Could be all the media you have tried.
    Could be the beginning of plasizer migration.
    Could be water vapor from an airline.
    Or oil vapor from a compressor.
    Could be that you have contaiminated the rollers on your machine from a piece of bad media- clean with denatured alcohol.


    Heat can sometimes help by driving off plasticizer or whatever the contamination is.


    You are going to have to play a bit of detective work, it seems.
     
    Last edited: Feb 10, 2011
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