QTR-Quadtone RIP

Paul,
thanks for your fast, kind and complete answer to my question. I have a 
look at your curves, too.
I just copied some of them to my own profiles, to get a "feeling" for them.
Thanks for advancing this fine art of printing and sharing your 
impressive knowledge.
Best - Thilo




Am 09.11.2015 um 22:09 schrieb Paul Roark roark.paul@... 
[QuadtoneRIP]:
> Thilo,
>
> I think QTR handles the "channels" the same whether they are labeled 
> "Gray" of "Toner."
>
> I call the light blue ink in the Yellow position a "toner," but you'll 
> see in some if not most of the profiles, I do a "load curve" approach 
> and make a custom curve.  You might find copying the point list from 
> one such profile and posting it into a new profile for a similar paper 
> gives a more even final print tone than using the "toner" and QTR 
> inputs to control the shape of the curve.
>
> I also just uploaded an updated "Profiles" zip file.  It includes some 
> profiles I've generated relating to canvas that I'm not experimenting 
> with.
>
> Good luck with the inkset.  It's been working very well for me.
>
> Paul
> www.PaulRoark.com <http://www.PaulRoark.com>
>
> On Mon, Nov 9, 2015 at 12:41 PM, Thilo Resenhoeft 
> Thilo_Resenhoeft@... <mailto:Thilo_Resenhoeft@...> [QuadtoneRIP] 
> <QuadtoneRIP@yahoogroups.com <mailto:QuadtoneRIP@yahoogroups.com>> wrote:
>
>     Hello everybody at the QTR group,
>
>     this is Thilo from germany with a question regarding a detail in the
>     "Curve Creator" within QTR.
>
>     For every ink one can choose the following points/despriptions: "Gray
>     ink", "Toner", "Toner 2", "Copy curve from" or "Load curve".
>
>     Recently I started to follow Paul Roark on his path to port
>     Eboni-6 to
>     the Epson 3880 in a "Variable-Tone" format, details here:
>     http://paulroark.com/BW-Info/3880-Eboni-Variable-Tone.pdf
>
>     Until now, using an 1400 and Eboni-6, I mostly used the "Gray
>     ink"-option in the fields. Now it's the first time that i use a
>     (light
>     blue) toner, too.
>
>     My question: What ist the difference between the options "Gray ink",
>     "Toner", "Toner 2"?
>
>     Is QTR handling the ink channels in a different way, depending on
>     which
>     option I choose?
>
>     Or are the options "Gray ink", "Toner", "Toner 2" just a convenient
>     and/or informative way to keep record on the functions of these
>     inks in
>     a certain curve? (In the case of the 3880-Eboni-Variable-Tone the
>     yellow
>     ink is marked as "Toner", but there seems to be not difference when i
>     make it a "Gray ink".
>
>     I haven't found this detail anywhere - hope this is not a silly
>     question.
>
>     Best - Thilo
>
>
>