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Versacamm printing problem/question? Help!

Discussion in 'Roland' started by timfse, Apr 15, 2006.

  1. timfse

    timfse New Member

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    Apr 15, 2006
    Apalachin NY
    Hi,
    I'm attempting to print some blue "star of life" for an ambulance, but the print is really banding, and almost looks streaked. I printed some large "maltese crosses", red, and they came out beautiful. Can any body help?
    I've tried uni-directional, lowered the resolution, I'm relatively new to printing, and am frustrated beyond.....
    Thanks!
     
    Tags:
  2. Barry

    Barry Active Member

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    May 6, 2004
    Generally banding is going to be related to our profile/media combination or your media feed calibration.

    If your using a known profile media combination that works I would adjust the media feed calibration.
     
  3. timfse

    timfse New Member

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    Apr 15, 2006
    Apalachin NY
    I was using a roland esm gloss calendered vinyl, with the profile installed. I just put some mattte calenedred vinyl in, changed the profile, and it looks better, but there are two or three light spots on the drawing.

    How do I adjust media feed calibration?
     
  4. Barry

    Barry Active Member

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    May 6, 2004
    Press [menu] go down 3 options to Calibration. Do a test print and adjust from there.
     
  5. timfse

    timfse New Member

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    Apr 15, 2006
    Apalachin NY
    OK. I'll give that a try when this last one prints. I raised the resolution, and this one is "better", but still a light spot here or there.
    Nice website you have, too.
     
  6. timfse

    timfse New Member

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    Apr 15, 2006
    Apalachin NY
    Well, i adjusted the calibration ok. It still looks like vertical stripes, random on the print. Almost like the material is not even. I don't know...
     
  7. 2NinerNiner2

    2NinerNiner2 Very Active Member

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    Mar 21, 2006
    Calgary, AB
    'timfse' - what quality are you printing at? Standard or High? I have had similar issues at 'Standard' that all went away at 'High'; what Barry says is right on too. Also, did you do an 'Environment Match' and / or a recent 'Medium' head cleaning? Last night I was pulling my hair out (not much left, btw!) trying to get a specific dark yellow to come out the way it looked on-screen. After these two steps were performed ....bingo! ...spot-on!
     
  8. timfse

    timfse New Member

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    Apr 15, 2006
    Apalachin NY
    I've been printing at high resolution, and tried overprint x2. I looks like the ink isn't drying (although to the touch it is). It definitely looks better on matte cal vinyl than the gloss...

    Our room temperature here is about 66. Could this be the problem? I did a "powerful" cleaning, and a "environment match", per your suggestions, still just not getting the quality needed without some streaks in it. Did a calibration, and that is right on now.
    Any more ideas?
    Thanks again,
    Your hair pulling friend,
    Tim
     
  9. Barry

    Barry Active Member

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    May 6, 2004
    Tim,

    Its generally not a good idea to do a powerful cleaning unless you have to. There is a plastic baggy type of blatter inside the head that can burst under to many powerful cleanings. Chances are it will not burst, but its just not a good idea to do a powerful cleaning unless you have to.

    The cleaning that you should be doing outlined at the below link:
    http://printingdigital.net/forums/how-articles/202-how-clean-your-versacamm.html
     
  10. timfse

    timfse New Member

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    Apr 15, 2006
    Apalachin NY
    Thanks Barry. I just cleaned the machine as you outlined on your site. The only way I've got anything acceptable is to overprint(2). I must be missing something obvious. The machine is 6 months old, and I've never had any problem at all with the quality of the print.
    Thanks again for any ideas you may have.
    Tim
     
  11. Barry

    Barry Active Member

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    May 6, 2004
    Can you post some photos of what your prints look like? I may be able to tell the problem by looking at the prints. Also post the type of media its printed on as well as the profile used and ink type.
     
  12. timfse

    timfse New Member

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    Apr 15, 2006
    Apalachin NY
    sol pictures

    hi,
    not sure if I have these attachments or not.
    I was using roland esm calendered gloss
    Using ecomax inks
    Using profile in versaworks: GCVP: ESM
    Picture 3 has the flash on, but just to the right of the flash you can see the "streaks" I was talking about.
    Thanks,
    Tim









    sol print 1.JPG

    sol print 2.JPG

    sol print 3.JPG
     
  13. Barry

    Barry Active Member

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    May 6, 2004
    Honestly that looks like a media problem to me. I would pick up a roll of Oracal 3651 and I bet that will solve your problem. Some or Rolands media is known to give inconsistant results.

    PS, normally banding caused by the printer or profile is very consistant, media problems are usually all over the place.
     
  14. 2NinerNiner2

    2NinerNiner2 Very Active Member

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    Mar 21, 2006
    Calgary, AB
    Barry - this may be a bit off the exact topic, but it is related if media contamination is the issue here (sounds like it, as you say) I notice that my supplier has the Oracal 3651 and 3951 available in reverse-wound. In your experience, have you found that this is a worthwhile choice when environmental issues are a concern, i.e. a relatively dusty or otherwise contaminated working area? I try to keep it as clean as possible, and haven't had too many issues yet; just wondering if this would help.
     
  15. mark in tx

    mark in tx Very Active Member

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    Oct 25, 2005
    Harker Heights, Texas
    Have you ever had the machine profiled?
     
  16. timfse

    timfse New Member

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    Apr 15, 2006
    Apalachin NY
    Mark,
    The profiles are updated automatically.
    Is this what you mean?
    Tim
     
  17. Barry

    Barry Active Member

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    May 6, 2004
    I only use reverse wound banner material. Reverse wound vinyl doesnt work well on a print and cut machine as it can cause your prints to get stuck together when pushing the material back through for cutting.
     
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