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Thread: Epson wt7900

  1. #16
    Moderator super silja will become famous soon enough super silja's Avatar
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    article http://printplanet.com/forums/color-management/22451-epson-wt7900-printer
    is full of ........
    i can't believe that professionals can write stupid thing like that
    Hi Johu, the ink densities looked a bit away from norm, is it? Is it based on Status T or E? What are the norm. of Flexo CMYK ink densities that you think?
    and guy already say that he use i1 device
    wt7900 is great printer.
    i have oportunity to see proofs on Epson clear and metalic media.
    with GMG and EFI sw. Proofs are ok. They use CoatedV2ECI profile for simulation.
    as somebody already said. you must protect proof with varnish or lamination.
    weekly you must shake white ink.

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  3. #17
    Donor antonioruiz is on a distinguished road
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    Quote Originally Posted by claude23 View Post
    Does any one use epson's WT7900 proofer that has ability to print white, on various surfaces?

    any comments?
    if you use it, with what rip?
    Issues, with white?

    thanks
    Works great, I really recommend it, I use Rip ProofMaster Plus Cat. 2 with great results, you can control everything (color, white, quality, etc.). You have to wait the ink dry but that's a minor issue

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  5. #18
    PRC Member Chiefster is on a distinguished road
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    Proofs on epson clear material are good & are representative of press results.

    Results on epson metallic material not so good, we prefer to print on clear then overlay on actual metallic material that will be used in production.

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  7. #19
    PRC Member bamboo is on a distinguished road
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    We have the same results.
    However, we have discovered that areas without white ink should be profiled separately, especially for metallized films: while colour on white matches the print run, colour on metal often does not.

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  9. #20
    PRC Member yahuu will become famous soon enough
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    Epson wt7900 is not in my listing device, what is wrong? I am using ColorGate Productionserver 6.31 Build 3702

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  11. #21
    PRC Member Chiefster is on a distinguished road
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    Quote Originally Posted by bamboo View Post
    We have the same results.
    However, we have discovered that areas without white ink should be profiled separately, especially for metallized films: while colour on white matches the print run, colour on metal often does not.
    Presumably you mean for spot colours ?

    For example take Pantone 280, you would have 2 versions:
    1. measured lab values for it backed with printed white
    2. measured lab values for it overlaid on metallic material

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  13. #22
    PRC Member bamboo is on a distinguished road
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    Quote Originally Posted by Chiefster View Post
    Presumably you mean for spot colours ?
    No. We have discovered a major difference with the famous Blue-turns-purple problem with 100c100m. On white it just perfect (because of profiling and color management), while on transparent it just don't match the real print (metal foil), having laid on metal backing... We have investigated more differences and conclude that Colours without White Ink (spot or process - does not matter, because we talk about COLOR REPRODUCTION, not INK reproduction) needs another separate profiling. We have build a method for split-profiles (two) proofing, but that method looks more laborant, not for a workflow basis and daily use :(

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  15. #23
    Junior Member flexoman is on a distinguished road
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    white color change or fade out on Epson metallic media after lamination

    does anyone had experienced with this problem, any solutions?

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  17. #24
    Moderator super silja will become famous soon enough super silja's Avatar
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    Quote Originally Posted by flexoman View Post
    does anyone had experienced with this problem, any solutions?
    which lamination you use?
    hot? cold?

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  19. #25
    Junior Member flexoman is on a distinguished road
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    I used cold lamination, thank you

  20. Your ad here

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  22. #26
    Junior Member wenger is on a distinguished road
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    printed proof

    It is great for proofing. We use this printer to make proof for coffee packaging and shrink labels.

    For more information, please check [URL="http://www.texinlabel.com/service/printing-proof.html"]printing proof[/URL]

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  24. #27
    Junior Member flexoman is on a distinguished road
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    sent you my contact

    wenger,

    I just sent you my contact

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  26. #28
    Junior Member claude23 is on a distinguished road
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    Could you please explain the lamination process?

    Why laminate? With what?

    Do you need another "machine/device" to laminate the proof?

    Tnx

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  28. #29
    Junior Member flexoman is on a distinguished road
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    white lamination

    the reason we laminate is, after printing, say transparent ink without white, the ink seems to be very matte, not transparent enough to see through the metallic proofing media, but after lamination, the ink seems to be merged with the media better and can see the effect of real transparent ink on metal substrate, but white fade out very soon, after few hour.

    we did not use machine, we use cold lamination by a hand nip roller.

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  30. #30
    Junior Member huanun is on a distinguished road
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    Quote Originally Posted by biohazard32 View Post
    Which soft do you use, DotProof or Flexoproof from GMG?
    EFI colorproof 4.1 and up version.CGS .......
    Attached Images

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