Digital BW, The Print

Martin,

Thank you. In your observation, did the color position inks of the PT-
NW and PT-S also show this color break-up when you cleaned the 
syringes?

Best.

Shilesh

--- In DigitalBlackandWhiteThePrint@y..., "Martin Wesley" 
<mwesley250@e...> wrote:
> ----- Original Message -----
> From: "janishilesh" <shilesh.jani@s...>
> To: <DigitalBlackandWhiteThePrint@y...>
> Sent: Monday, September 02, 2002 7:18 AM
> Subject: [Digital BW] Media Street Black + FS-N was PiezoTone 
Selenium 300
> Hr Fade test
> 
> 
> > Martin,
> >
> > As you and I discussed on the phone a few days back, I am 
interested
> > in the deeper blacks of the new PT inks. I do not have at hand, 
but I
> > do have MediaStreet Generations Black (MS-GK). These inks also
> > supposedely have dye content in it to give the deeper black. I 
used
> > this ink with FS-N (vacuum filled virgin carts, not CIS). The 
prints
> > were very, very nice once I created a new curves adjustment layer.
> > However, within a few prints, one a 12 x 18 print, the color cart
> > started to leak like crazy (!). I dont know why, but it certainly
> > made a mess of my b/w 1280.
> >
> > Not wanting to give up completely, I played around the kitchen 
sink
> > with FS-NK and the MS-GK. It is incredible how these inks are
> > different. I took two very white porcelin cups filled with water, 
and
> > put a drop of each of these inks in them each. Even the first
> > interaction with water is very different. But the most obvious
> > difference is that FS-NK is very neutral, and single hued. The MS-
GK,
> > on the otherhand, separates out into a dye (very 
purple/red/magenta)
> > content and more or less masks any native pigment color. So is 
the PT-
> > K the same as MS-GK? And was my cartridge dripping caused by
> > incompatibilities between FS-N and MS-GK when on the parking pad? 
Or
> > was it just a bad fill job?
> 
> Shilesh,
> 
> I really am beginning to wonder if the PT-K and the Gen-K are not 
the same
> ink. What you describe in your dilution test is exactly what I saw 
in the
> sink after cleaned up the syringes I used to take samples from the 
MIS-VM K
> and PT-K bottles. The VM-K is obviously a very neutral black but 
the PT-K
> broke up into a warm/purple just as you describe.
> 
> Also check out Paul's fade testing of the Gen and Indelible blacks 
in
> folder:
> 
> Files > Ink Sets > MIS
> 
> and then take a look at his fade test of the PT-K, PzoTone-VM-FS-K-
100 hr
> fade test.jpg ,
> in folder:
> 
> Files > Ink Sets > PiezoTones > PiezoTone vs MIS-FS
> 
> Is Generations making the PT inks for Jon?
> 
> The leaking cartridge would probably be something else. Perhaps a 
vacuum
> leak in the cart? If the inks reacted badly together I would expect 
a
> clogging rather than a leak but I believe they are compatible.
> 
> Martin Wesley