Re: profiling back-printed plexiglass?
Re: profiling back-printed plexiglass?
- Subject: Re: profiling back-printed plexiglass?
- From: Neil Barstow <email@hidden>
- Date: Mon, 12 Dec 2016 13:59:31 +0000
Hi Scott
I will find out what I can about the inks
this is a Mutoh / Topaz tie up you buy the package I believe.
Swansea is pretty cool you're right. I am guessing you didn't visit Wind
(pronounced like you "wind" up a clock) Street of an evening though, it's a
bit like Bourbon St in N'Awlins, maybe worse as in Wind Street it's the
girls going crazy.
thanks
Regards, Neil Barstow :: Apple Solutions Expert :: Colour Management
Specialist
www.colourmanagement.net/
On Fri, Dec 9, 2016 at 2:55 PM, <email@hidden> wrote:
>
> I did do a test with a Mutoh (flatbed adapted) printer and Topaz RIP which
> prints onto glass with special inks
> [it’s a weird fish, that RIP, lots of the manual is about how the
> manufacturer's "by eye" method is better than using ICC profiles].
>
>
> Oh god, don’t get me started. I have a competitor nearby that similarly
> claims his calibration "by feel" is better than anyone’s measurement based
> calibration, lol.
>
> In this case, the regular process is to print direct onto the back of the
> glass then paint over the ink with white. The final piece is viewed through
> the glass - so as a reflective object, not a trans.
>
>
> I get it - that’s pretty common. I’ve seen people actually use this type
> of print as “transflective” - both as a reflective print during the day and
> transmissively at night.
>
> We did try a test of painting the glass white first then printing onto
> that white surface, with the idea to read the inks direct (not through the
> glass). Unfortunately, in this case, the appearance of ink on paint is
> quite significantly different to ink printed direct onto glass.
>
>
> That feels like a red flag right there. We’re talking about UV Curable
> inks right? Not Solvent or something else? Perhaps I misunderstood.
>
> Another thought was to have inks on the front surface (to be read direct
> with the spectro) and white paint on the back but that looks weird so I'm
> pretty sure it’s a fail.
>
>
> That should be exactly the same as printing with the same ink order on the
> back side of the glass, right?
>
> I am planning to try opaque white glass, just for the profile making - in
> the hope that the inks will take to that glass well and we can "see" the
> same as we’d see in the "normal backpainted white process". i.e. inks
> printed straight onto glass - with white backing.
>
>
> Right, or calibrate and profile on Sintra and use that setup on other
> materials. I’m starting to get the feeling that you’re not using UV Curable
> inks for this… From my experience, if you want to print on glass you’ve got
> to drop everything and go UV curable. Tell us more about these ‘special
> inks’.
>
> p.s. I was just nearby you in Swansea Wales a few weeks ago - gorgeous!
>
>
>
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