QTR-Quadtone RIP

Michael,

The X900 printers will have 10 channels available at a time: K (MK or PK), LK, LLK,C, LC, M, LM, Y, O, and G. If we take one channel for GLOP, we are left with K + 4 gray dilutions. Essentially, a dual K5 system is possible. 

Of course, some dilutions can be shared. In which case a hybrid dual K6 can be configured. I can imagine the either darkest gray to be shared, or even the lightest gray. Now the possibilities open up quite a bit.

Personally, I would opt for dual quad (K4) which are the same warm ink backbone. This would help with smoothness (similar to Roark's multi channel BO), and reduced likelihood of banding artifacts, and add high gamut color toners in other positions. But that is my opinion only. I know some find high gamut inks an anathema.

Now I need to butter-up my wife so as to buy the 4900. Good times!

Shilesh


--- In QuadtoneRIP@yahoogroups.com, Michael King <drmrking@...> wrote:
>
> Hi Roy,
> 
> Great news on the x900 support.
> 
> In terms of more inks, I agree people probably don't want more than 7 inks
> at one time, but I sure would like to use the other ink channels for
> supporting multiple ink sets.
> 
> Is it just a matter of supporting 10 bit calibration image rather than 8
> bit?
> Or is your ink channel handling after 16 >8 bit conversion? Anyway I think
> its important we can address more than 8 inks, just not at the same time
> :) As a work around maybe you can support any 8 inks at the same time and
> have some way to define which 8 ?
> 
> I presume we can just do a PK/MK switch with the Epson driver - correct?
> 
> So we now can have 11 channels available in the x900s - wonderful situation.
> With Jon's K6 inks I can have Sepia, Split S/N, and SE all loaded at the
> same time. (Note: For those paying attention to the detail S2 and SE2 are
> effectively interchangeable - so these 3x K6 ink sets fit into 11 channels
> or 2 sets of K7).
> 
> Great news, Txs Roy.
> 
> Cheers,
> 
> Mike
> 
> On 10 March 2011 05:20, Roy Harrington <roy@...> wrote:
> 
> >
> >
> > I just used the 7880 driver so no I couldn't try orange and green.
> > Actually selecting
> > the inks is probably not a big problem but I do have to figure out any
> > issues with
> > more than 8 inks. For instance the inkseparation page uses 8 bits for
> > ink selection.
> > I'd probably put this off until later -- who really needs that many
> > inks for B&W.
> >
> > I have looked at the 4900 and is apparently all Esc/P2 so should not
> > be a problem
> > except for the 8 ink -> 10 ink issues. Haven't looked at the R3000
> > but I'd think
> > its like the R2880 except for the K ink selection.
> >
> > Roy
> >
> >
> > On Wed, Mar 9, 2011 at 5:59 PM, shileshjani <shileshjani@...> wrote:
> > > That is wonderful, Roy. Did you try to control the additional ink
> > channels (orange and green, is it?)?
> > >
> > > I was seriously considering buying a 4880 to mothball for a few years.
> > Earlier today, I looked up specs on the new 4900, and it too lists ESC/P2 as
> > the printer controler. So perhaps the near future is not so bleak. The R3000
> > also looks promising with ESC/P2 control as well.
> > >
> > > Shilesh
> > >
> > > --- In QuadtoneRIP@yahoogroups.com, Roy Harrington <roy@> wrote:
> > >>
> > >> Interesting development.
> > >>
> > >> I got a hold of a 7900 briefly so I could try the QTR driver.
> > >> -- the method was just to use the 7880 driver and print a calibration
> > page --
> > >> Anyway printing at 2880dpi seems to work as expected, but both the
> > >> 1440dpi and 1440super modes printed expanded output (twice as wide as
> > expected).
> > >> So the good news is we have something working, but its not completely
> > >> compatible.
> > >>
> > >> Whether the 7890 has the same result is another question.  If we can
> > only print
> > >> at 2880 I think that would be workable.   These new printers are faster
> > already.
> > >>
> > >> Roy
> > >>
> > >> On Tue, Mar 8, 2011 at 1:00 AM, Kees <ctb@> wrote:
> > >> > Thanks Roy,
> > >> >
> > >> > I actually ordered a 7880 in January but my dealer just told me epson
> > germany (also delivering the netherlands) is out of stock. So I am thinking
> > of buying the 7890, only if....
> > >> >
> > >> > Is epson actually licensing this new ESC/P3 now instead of just give
> > it?
> > >> >
> > >> > kees
> > >> >
> > >> >
> > >> >
> > >> >
> > >> > --- In QuadtoneRIP@yahoogroups.com, Roy Harrington <roy@> wrote:
> > >> >>
> > >> >> I had a suspicion that they may be compatible with the old drivers
> > and
> > >> >> heard others speculate it as well.
> > >> >>
> > >> >> The US user guide does not say this.  So I checked the UK website and
> > >> >> the user guide there is a totally different document.  Sure enough it
> > >> >> has this about both control codes.  Its encouraging but I'd like to
> > see it
> > >> >> actually working before being sure.
> > >> >>
> > >> >> Anybody have one of the new printers who can just try it?
> > >> >> 7890, 7900, 9890, 9900, 11880 -- any of them.
> > >> >>
> > >> >> Thanks,
> > >> >> Roy
> > >> >>
> > >> >> On Mon, Mar 7, 2011 at 1:15 PM, Kees <ctb@> wrote:
> > >> >> > addition to my earlier post:
> > >> >> >
> > >> >> > From the epson 7890/9890 specs in the user guide:
> > >> >> >
> > >> >> > Control code: ESC/P2 ESC/P3
> > >> >> >
> > >> >> > Does this mean it is backwards compatible with ESC/P2 and maybe
> > QTR?
> > >> >> >
> > >> >> > kees
> > >> >> >
> > >> >> >
> > >> >> >
> > >> >> > ------------------------------------
> > >> >> >
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> > >> >
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> > >> > Yahoo! Groups Links
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> 
> 
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