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Valuejet 1604 Prints Greys all wrong

Discussion in 'Mutoh' started by heyskull, Jan 13, 2009.

  1. heyskull

    heyskull Very Active Member

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    We have a Valuejet 1604 and when printing greys they have a red tinge to them!
    It is even worse when it fades through Grey to Black.
    Is there anyway so that it just prints Black knocking off Cyan, Magenta and Yellow.
    We are using Wasatch 6.2 RIP
    The file has been originally made in Signlab 7.1 but has also been remade using Coreldraw and illustrator but still prints the same.
    I have tried every profile I have with no luck!!!

    HELP

    Sean
     
    Tags:
  2. Compilla

    Compilla Active Member

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    Profile, profile & profile
     
  3. heyskull

    heyskull Very Active Member

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    Profile, profile & profile!!!!!!!!!!!!!!!:banghead:

    I have tried all my profiles!!!!!:frustrated:

    How do I go about making new ones and if I make new ones this will muck up all the previous things I have printed!
    I know that if you adjust it in one place it mends one problem and creates another.

    I have just printed it directly from Signlab and it prints perfect.!!!:clapping:
    I never print from Signlab as there is too many things to adjust on Signlab and I have had enough problems using Signlab. I may have found the only usefull thing Signlab can print without making the colours all wrong.

    I would rather print from Wasatch as everything has gone through this RIP and it is way better than Signlab.
     
  4. Compilla

    Compilla Active Member

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    Profiling outdoor media is still a bit of an artform. No way I can tell you from here...
     
  5. Arstron

    Arstron Member

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    When it prints with the red tint, are you printing in cmyk or rgb? Set Black to 100% and cmy to 0% should be all you need to get a great black...
     
  6. luggnut

    luggnut Very Active Member

    Arstron are you saying in cmyk that if you put %100blk and 0% on the others it only prints with blk ink?
    plus with the gradient from blk to gry don't all RIPs use more colors than blk to make the fade? so thats where making your own profiles come into play?
    i know neutral gray is next to impossible for me, but i use provided profiles.
     
  7. ChiknNutz

    ChiknNutz Major Contributor

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    Apr 18, 2003
    Unless you've set up a color-swap in your RIP, 100% K will NOT produce a good black! You either need to specify a "built-black" in the design or swap our 100%k in the RIP. We typically use something like C50 M50 Y50 K100 for a nice rich "built-black" but you can adjust some of those to better suit.

    Greys ARE tough to get right and it really comes down to how well the profile was made. Almost all colors are bits of CMYK to some degree. The color mixture you specify in the design is very likely only moderatly close to the actual mixture used to create the color on the vinyl.
     
  8. luggnut

    luggnut Very Active Member

    GXsign that is what i thought ... what you put into your design is translated at the RIP according to the profile.. so grays are very profile dependent.
     
  9. Replicator

    Replicator Major Contributor

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    Sun City, AZ
    Print out a color chart for your particular media and

    then pull the gray you want from that chart file to your print,

    works every time . . . EASY !
     
  10. heyskull

    heyskull Very Active Member

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    UK
    Sadly I think what the problem is I have a light grey that fades into Black.
    I hate messing with profiles as it causes problems with other colours.
    I have set the print of as a RGB, CMYK I have made it into a bitmap and imported it as a different file and still it won't print right in Wasatch.
    Is there any way of switching my Valuejet 1604 so it will just print black just like my desktop printer?
     
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