Digital BW, The Print

Paul,

MIS have now told me to use VM curves, even though I am using UT inks. I have done test prints which are better. The posterisation is now not evident, but the prints look a bit 'flat' - lacking depth in the dark tones. 

In the Printer Features I am using Dither Algorithm set to Even Tone. Any comment on this? 

David Herrod.
  ----- Original Message ----- 
  From: Paul Roark 
  To: DigitalBlackandWhiteThePrint@yahoogroups.com 
  Sent: Tuesday, August 30, 2005 5:05 PM
  Subject: RE: [Digital BW] Epson 1160 and MIS Ultratone


  David,

  > ...MIS... conclude that there appears to be a software issue, 
  > but are unable to tell me what.
  > 

  Usually if the driver setting is "No Color Adjustment" the curves as
  cross-platform.  

  I had a weird situation with CS2 where it was converting my "new" files to
  Dot Gain 20 as opposed to Gamma 2.2.  I never did find the source of the
  problem, but it went away after I re-set all the color settings.  So, check
  the color spaces of the open files even if the settings initially seem to be
  OK.  I used Edit > Convert to Profile for this.

  I've put my *.txt file for the 1160 UT1 inkset below.

  If all else fails and you're not interested in re-doing the curves, the
  UT-FS or FSN inksets work fine in the 1160, and those curves are much easier
  to modify.

  Good luck.

  Paul
  www.PaulRoark.com 
  ___________________________________

  My text file for the 1160 UT1 inkset and UT11 curves:


  1160 Variable-tone, cross-platform Ultra Tone curves:


  I have made some curves for the 1160 to control the MIS Ultra Tone B&W
  inkset.  
  There are two sets.  One (for example UT11 ...) set is for Epson
  Enhanced/Archival matte.  
  The second set (UT-EUS ...) is for the Epson UltraSmooth cotton, 
  no-optical-brightener (truly archival) matte paper.  The PremierArt Fine Art
  Hot Press seems 
  to be this same coating.  The 205 weight is an excellent value, archival
  paper.

  (Note that I use EEM routinely for drafts, sample prints, display 
  prints that are not going to be sold as archival, and many other purposes.  
  I think it is an excellent value and paper for up to 30 year 
  life-expectancy work. I use cotton-based paper 
  wherever print life of more than 30 years is wanted.  
  I think UltraSmooth, PremierArt Hot Press and PermaJet 
  Alpha are among the best, in part because they do not 
  have the flaking problems of most other cotton papers.   
  With no optical brighteners they will also not yellow from light exposure.

  I think the cotton paper with UT carbon pigments (no dyes) is archival; 
  I do not consider EEM/EAM to be archival.)

  The new curves produce 4 very useful tones.  The "UT11-N1" is neutral,
  similar to a 
  "selenium" tone; "UT11-MW-3" is 0.03 units warm, 
  UT11-C+3 is 0.03 units cool, about like the old "nc" curve with the MIS VM
  inkset; 
  and UT11-W1 is 0.10 units warm, about twice as warm as the old vm inkset.  

  The curves are much smoother than the old vm curves.  I have been told some 
  don't even see the dots with a loupe.  

  The UT11 curves are cross-platform, running on PC and Mac.

  Resin coated papers can be printed with the UT inkset about as well as 
  the UltraChrome inkset.  As with the UltraChrome inkset, a "Photo Black" 
  must be used.  MIS has a fine one.  Most of the RC papers have some
  reflective 
  artifacts (like bronzing or slight dusting), but this is typical of all
  pigments on 
  RC papers.  Cheap Epson Glossy Photo Paper and Costco Kirkland appear to be

  the most free of these defects.  I think matte paper is still the most 
  reliable and what I mostly use.

  For the UT curves, I use "No Color Adjustment" (in the driver color
  management box) and Adobe RGB (1998) (Edit, Color Settings).  Other than 
  these settings, the workflow is the same as the older vm curves workflow.

  I hope these prove useful.

  Paul
  http://www.PaulRoark.com




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