Digital BW, The Print

Paul

Many thanks for your advice, I shall try substituting Eboni into the Cone
set and see what happens.

Regards

David Whistance
  -----Original Message-----
  From: DigitalBlackandWhiteThePrint@yahoogroups.com
[mailto:DigitalBlackandWhiteThePrint@yahoogroups.com]On Behalf Of Paul Roark
  Sent: 07 January 2007 23:14
  To: DigitalBlackandWhiteThePrint@yahoogroups.com
  Subject: RE: [Digital BW] Improving Dmax of NK7 inks


  With the 220, QTR, Eboni, and Premier Art Matte BW I hit 1.7 with both
1440
  and 2880. The 1440 has lines in it and takes 100% load. The 2880 is smooth
  and hits the dmax before the 100% load. If you're using 1440, try 2880 and
  print a ramp to see where your dmax is.

  My experience with modern printers is that under-printing only increases
  dmax where the matte black ink is not covering properly. If the MK is
  being properly applied, under-printing always decreases dmax. QTR
(actually
  Gimp print, I assume) at 1440 may be one of those situations where the ink
  is simply not being properly applied in many if not most situations. My
  solution is to avoid 1440 with QTR (or other Gimp print driver) and avoid
  under-printing.

  If the Cone black ink can't hit the same dmax as the Eboni, why use it?
  Eboni is almost certainly compatible with the rest of the Cone inkset and
a
  lot cheaper.

  Paul

  www.PaulRoark.com <http://www.paulroark.com/>

  _____

  From: DigitalBlackandWhiteThePrint@yahoogroups.com
  [mailto:DigitalBlackandWhiteThePrint@yahoogroups.com] On Behalf Of
  david627890
  Sent: Sunday, January 07, 2007 10:02 AM
  To: DigitalBlackandWhiteThePrint@yahoogroups.com
  Subject: [Digital BW] Improving Dmax of NK7 inks

  I have used the Cone NK7 inks in an R800 now for some time and haven't
  felt a lack of dmax in my prints except when compared side by side with
  a similar print using MIS Eboni on the same (matt) paper. The
  smoothness of this inkset has more than made up for this for most
  images though. Now, however, I would like to try to improve the dmax
  if that is possible. I use QTR for this printer/inks with the standard
  Cone curves and generally use either Bradford Rag or HM Photorag papers.

  Does anyone have any ideas about the best way to do this? I have seen
  comments about "underprinting" on the site. Presumably this means
  laying down two inks at the same time on the paper to increase the
  density? If so is this a sensible approach to take using say the black
  and the next darkest tone? Would the paper take the additional ink
  load? Clearly I would have to make my own curves and set the ink
  limits carefully.

  Thanks for any thoughts you might have.

  David Whistance

  [Non-text portions of this message have been removed]



  


[Non-text portions of this message have been removed]