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MIS UT in 2200 w/ Roark/Staver curves: shadow compression

MIS UT in 2200 w/ Roark/Staver curves: shadow compression

2003-09-15 by Justin Florentine

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So I'm starting to get some REALLY good results from my 2200 with the UT 
inks and the modified Roark curves (thanks Daniel!).

The major problem I have now is compression in my shadow details.  A 
really dark print looks pretty lousy.  I was wondering if I need to 
switch to the Eboni black ink.  I'm using the UT Photo Black that came 
with it on Epson Semigloss paper.  I'm getting the same results on EEM 
too, but I expected that since it's not a matte ink.

Any ideas?  How do I go about troubleshooting this one?  Should I post a 
step wedge scan for people to look at?
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RE: [Digital BW] MIS UT in 2200 w/ Roark/Staver curves: shadow compression

2003-09-16 by Daniel Staver

I know the shadows are somewhat compressed on those curves, even on EEM
with Eboni which is they paper/ink combination I made them for. I
usually print with an additional adjustment layer that darkens the image
before the curve is applied. The problem is that I managed to linearize
them against a misprofiled stepwedge, so it prints most images too
bright. 

Give me a week or so, and I'll have another look at them... I'm
currently running modified C/LC positions and have made some curves I
like for that combination, but those obviously won't work for the
standard Ultratone inkset. 

I've never managed to get the Ultraones to work on glossy papers, I
guess it must be something with my refilling procedure, because our
setups should otherwise be identical.

--
Daniel Staver
http://daniel.staver.no 

> -----Original Message-----
> From: Justin Florentine [mailto:justin@...] 
> Sent: 15. september 2003 16:36
> To: DigitalBlackandWhiteThePrint@yahoogroups.com
> Subject: [Digital BW] MIS UT in 2200 w/ Roark/Staver curves: 
> shadow compression
> 
> 
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> So I'm starting to get some REALLY good results from my 2200 
> with the UT 
> inks and the modified Roark curves (thanks Daniel!).
> 
> The major problem I have now is compression in my shadow details.  A 
> really dark print looks pretty lousy.  I was wondering if I need to 
> switch to the Eboni black ink.  I'm using the UT Photo Black 
> that came 
> with it on Epson Semigloss paper.  I'm getting the same 
> results on EEM 
> too, but I expected that since it's not a matte ink.
> 
> Any ideas?  How do I go about troubleshooting this one?  
> Should I post a 
> step wedge scan for people to look at?
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.2.1 (GNU/Linux)
> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org
> 
> iD8DBQE/Zc5Ru7srlnPHEE8RAjHcAKCQGRzI75AVEvUpCI7V7rO0w1YJQgCgmDIk
> XkwcrlEoV7USFlTg7Em7ftc=
> =9kRU
> -----END PGP SIGNATURE-----
> 
> 
> 
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