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Thread: Advice on replacing light colours for alternate inks?

  1. #1
    Junior Member kassinopious is on a distinguished road
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    Advice on replacing light colours for alternate inks?

    We run a 6 col machine currently set up CMYKlclm.

    We have the option to replace the lclm with orange and violet. Can anybody advise which colours will become available in the printers gamut if we make this change? It's not a cheap thing to do so I need to make sure before i make the change.

    We print packaging so customers tend to use the pant solid coated book to choose all their colours from making digital matching a near impossibility with the current setup!

    Help as always appreciated.

    Best,

    Kassinopious

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    Junior Member toto81 is on a distinguished road
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    First thing to consider is : is it chemically the same ink ??? Otherwise you will fall into deep, deep troubles with your machine..!
    If it's the same, you will indeed gain gamut, but you will loose details in light ts.
    If your printer can handle high resolution / small dots, this can replace the light colors but printing time will be longer...
    Hope this helps.

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    Banned Gm70 is on a distinguished road
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    Quote Originally Posted by kassinopious View Post
    We run a 6 col machine currently set up CMYKlclm.

    We have the option to replace the lclm with orange and violet. Can anybody advise which colours will become available in the printers gamut if we make this change? It's not a cheap thing to do so I need to make sure before i make the change.

    We print packaging so customers tend to use the pant solid coated book to choose all their colours from making digital matching a near impossibility with the current setup!

    Help as always appreciated.

    Best,

    Kassinopious
    Your gamut grows obviously to the direction of the special colors. If you print jobs with pant colors having orange and violet might prove to be nice addition.

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    Junior Member Kostas Kapa is on a distinguished road
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    I'm not sure it worth the shot...
    It depends on your clients of course. If you print solids of deep blue on daily rotation or bright reds etc it may sound good but i have no idea how you could manage the separations matching the requested pants. In fact how do you manage so far with light cyan and magenda? Every customer (in packaging) prints with different Pants from the huge pant gamut. What we do is keep the CMYK for photos, simple images etc and use the leftover towers for spots.. obviously washing after every job.
    If i got something wrong please correct me

  5. #5
    Junior Member caveman is on a distinguished road
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    Changing the light inks to other, additional colors, will require the printer to be re-profiled in order to get a larger gamut. You will have to create a multi-channel profile. Can your RIP software handle such an ICC?

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