Digital BW, The Print

Hi Steve, 

I'm just drawing conclusions from the information on that web page (whether
they hold up in practice is a totally different matter!) but their description
is pretty clear. They tell you to create a file that is basically just a page
of white, then over-print that on top of an image that has already been
printed in the normal way. This is much different to the Epson standard way,
which only uses the GLOP as a filler in pale areas of the image that otherwise
wouldn't carry any ink. Presumably, in that case the GLOP is dithered in with
the coloured inks in pale areas.

The MIS approach is just like using the printer to do a clear overspray, and
it ought to work just as well if you put the GLOP in any old cheap printer and
over-print a page of full black (or grey, if you want less GLOP). I don't
think the two approaches are much related, except for the fact that the same
goo is used.

-= mike =-

-----Original Message-----
From: Steve Kale
Sent: 30 November 2004 13:37
To: DigitalBlackandWhiteThePrint@yahoogroups.com
Subject: Re: [Digital BW] QTR and Gloss Optimizer


Well I think the place to start is to better understand how the R800 actually
works, ie Epson's intentions.  Is the gloss woven into the dither or does it
follow the ink lay down like a spray (in the way the last set of dots follows
all the rest)?  Is it laid down evenly regardless of the amount of ink (ie
does a 100% patch receive the same amount of gloss as 0% patch)?
And yes there is no reason for the original print to be printed on an R800.
Also, there is no reason for the glosser to be an R800.  Any printer whereby
you can control the individual ink jets with QTR can be used.  The question is
whether to lay down the gloss as part of the original print, ie as part of the
dither, and if so then evenly or in inverse proportion to the amount of actual
ink, or whether to use the 2 step process to ensure an overspray.


> From: "Nunan, Mike"
> Reply-To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
> Date: Tue, 30 Nov 2004 12:50:15 -0000
> To: "'DigitalBlackandWhiteThePrint@yahoogroups.com'"
> <DigitalBlackandWhiteThePrint@yahoogroups.com>
> Subject: RE: [Digital BW] QTR and Gloss Optimizer -- some lateral 
> thinking
> 
> 
> Hi Steve,
> 
> Thanks for drawing attention to that, it's given me an interesting 
> idea. The method they describe uses the "GLOP" in a different way to Epson's
intentions.
> As you say, it's doing an overspray, hence the recommendation to use a 
> white (or nearly completely white) file for a second run on top of the 
> original print. What first occurred to me was that there is no reason 
> why the original print needs to be produced on the R800. What's to 
> stop you from coating, say, an A4 2200 print in this way? Furthermore, why
use an R800 for the coating?
> Couldn't you use a C84 for this? I would be similar to doing an 
> overspray with Premier ArtShield or Krylon, but guaranteed to be even.
> 
> -= mike =-
> 
>

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