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Any ideas on why this is happening?

Discussion in 'Roland' started by njsigns, May 23, 2007.

  1. njsigns

    njsigns Very Active Member

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    May 25, 2005
    I just printed 10 of these, the last 2 got screwed up like this. Any ideas what is going on? I'm printing to convex, on a SP-300V from Versaworks.

    I'm going to go clean the machine again. Any help/insight would be appreciated.

    Thanks,
    Gene
     
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  2. njsigns

    njsigns Very Active Member

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    May 25, 2005
    whoops - forgot the picture.

    Thanks,
    Gene

    print_problem.jpg
     
  3. ChiknNutz

    ChiknNutz Major Contributor

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    Apr 18, 2003
    Yeah, it's a head strike. The mat'l isn't laying totally flat for you and the head is subsequently rubbing that raised-up ridge. Try adding another pinch roller if you have them (my 540 has several extras but I'm not sure about the 300). Also, you may try lowering the heat to keep the mat'l from buckling like that.
     
  4. Checkers

    Checkers Very Active Member

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    Jul 24, 2003
    Looks like head strike to me. Is there a way you can adjust the level of your print heads?

    Checkers
     
  5. jkkt

    jkkt Member

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    Another vote for the headstrike. Convex is such a thick material you have to keep an eye on it. Try to avoid this or you will be replacing your heads ($600+ part).
     
  6. mike gregson

    mike gregson New Member

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    Greensboro, NC
    I've had that occur a couple times at the begining of a print as the vinyl heats up and it kind of puckers or gets wavy across the width. It's never happend to me other than in the first few inches of a print. For me, adding pinch rollers hasn't helped. After it feeds across a little further it seems to straighten out, but I've also just stopped the print and sheet cut a few inches or a foot and that seems to flatten out the vinyl.
     
  7. njsigns

    njsigns Very Active Member

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    Thanks for the quick replies everyone. I didn't want to hear this was the dreaded head strike... Anyone have any ideas on how to adjust the print head height? I only have 2 pinch rollers on this model...

    Thanks,
    Gene
     
  8. Mason

    Mason Very Active Member

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    Aug 11, 2005
    You gotta babysit it while it prints, Id adjust the vaccum too so it keeps the material snug against the platen
     
  9. ChiknNutz

    ChiknNutz Major Contributor

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    Apr 18, 2003
    I don't think you can adjust head height on the SP300
     
  10. Mason

    Mason Very Active Member

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    Aug 11, 2005
    You cant
     
  11. njsigns

    njsigns Very Active Member

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    May 25, 2005
    I actually just read that on printingdigital.net.

    Thanks everyone, I guess I'll be babysitting this machine for the next few hours. I have to admit I haven't learned all the features / functions of this machine yet. I'm going to try what everyone suggested. Ahh, the nightmares of digital printing...

    Thanks again,
    Gene
     
  12. sid-fmx

    sid-fmx Member

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    Jul 28, 2007
    What profile are you using for the convex on the SP300v.
    Thanks
     
  13. Ken

    Ken Major Contributor

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    Feb 7, 2005
    BC
    Just feed out about 10 inches of material before you start printing..I know, it seems like a waste of material,,and it is..but this will solve it.
    ken
     
  14. TShirtJohn

    TShirtJohn New Member

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    Aug 15, 2006
    I had the same problem too with certain banner material when the material was being tugged from behind so all I did was roll out material behind the machine and make sure it never needs to be 'pulled' through

    Hope this helps too
     
  15. Wyndham

    Wyndham New Member

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    Dec 31, 2007
    I had the same problem with my sp540. I also found that by rolling out the material behind the machine helped. Since doing this I haven't had any head strikes.
     
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