QTR-Quadtone RIP

Juan,

MIS Eboni black is fairly neutral all by itself.  But the lighter 
black dilutions are decidedly warm, so if you use LK and/or LLK inks, 
your prints will take on a warm tone.  If you want to counteract that 
warmth using the Epson K3 inkset (or the MIS equivalent) you would be 
adding some LC and LM, but you don't need to add yellow, since the 
carbon only inks already have too much warmth.  Adding yellow would 
just make it warmer, which doesn't seem to be what you want.  

If you print with Black Only (the single black ink position) your 
prints will be fairly neutral, but you will see dots in the 
highlights and midtones, because you are using ONLY the black ink, 
and to get light tones, you need more space between black dots to 
simulate a light tone.  If you like that look, you have a quick easy 
solution to neutral B&W.  If you don't, you will want to add LK and 
LLK for highlights and midtones, and you will need to introduce some 
LC and LM to cool down the light black inks to neutral.  

Lou

--- In QuadtoneRIP@yahoogroups.com, "Juan Riera" <jriera_@...> wrote:
>
> I'm printing b&w on R2400
> I have read on several pages that getting neutral b&w tones with 
Epson 
> K3 pigments implies QTR needs to use not only black but other 
pigments, 
> and lots of yellow ("lightfastesness" problem). When using MIS 
> pigments, it seems you can get neutral tone only by using the Eboni 
> black cart. Am I right?
> Can QTR manage using only matt k3 black? is it neutral? 
> 
> Thanks a lot
> 
> Juan
>