Digital BW, The Print

----- Original Message -----
From: "jimhayes361" <jimhayes@...>
To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
Sent: Saturday, July 13, 2002 8:12 AM
Subject: [Digital BW] Re: My workaround for the PS6 -> PS7 posterization
problem...


> --- In DigitalBlackandWhiteThePrint@y..., "coveylaw" <brad@c...>
> wrote:
>
> > Sounds great, but i don't have PS6-just PS7.
> > Any thoughts.  I am very frustrated with the posterization and it
> > makes my prints unacceptable.
> >
> > btw has anyone tried nik color efex! to convert to b&w?
>
> So someone else IS getting posterization.
>
> The real answer is to simply have the curves redone by Paul or whoever
> is handy with a spectrophotometer. This is a lot of work for all the
> pritner/OS combos though. The curves should be redone in Adobe98
> rather than sRGB. I'd respect Paul he he refuses to go through it all
> again.

Jim,

Then what would happen to all the people who do not have this problem? This
is something that is showing up in 1 or 2 systems so far, redoing the curves
would only be justified if the problem were universal.

>
> He might be able to do it with a transfer curve, I don't know. He
> hasn't responded to any posts on or off list from me on this topic,
> unless I missed it.
>
> Also, there is still the unresolved issue of whether I get
> microbanding even using Adobe98 with PS7. I can't test it right now
> any further, as I'm short on ink to squander. My test print also still
> shows just a tiny bit more posterization in PS7 vs PS6 when using
> Adobe98. And of course the tones are different using this space. It's
> really crying out for a curve tweak.

I am printing just fine from PS7 on my 1280. No microbanding and the quality
is unchanged from PS6. Any tweak would then give me and everyone else
trouble. Why not tweak the curves yourself for your own use?
>
> Then the other solution is to just use PS6 until the 2200 comes out
> and go for it. That is a big unknown as well.

BTW, I have seen some B&W 7600 output which uses the same inks as the 2200.
The results are similar to the 2000P. Odd tonal splits and a print that is
fairly neutral in tungsten lighting is yellow/green in daylight. I don't
know if these were good or poor examples of what the machine can do. I want
to see some more but if what I saw is "good" then I doubt you would be happy
with the hue or metamerism.
>
> You could buy an older computer and network it up on the OS of your
> choice with PS6 and dedicate the printer to it. A bit of bother there.

Since I can't duplicate your problem using very similar equipment (I think
the only difference is that you are running Win98SE and I am on Win 2000), I
would urge you to continue to look for something in your set-up that is not
quite right.

Martin