Digital BW, The Print

Paul,

  Thanks for your help. I will do some tests on the setups you recommended:

  For 4 colors, I should try K (gray), C (gray), LC (gray), and LM (toner).
  For 6 color, I will try to use all inks except Y.

  Thanks,
  - philip

   -----Original Message-----
  From: DigitalBlackandWhiteThePrint@yahoogroups.com
[mailto:DigitalBlackandWhiteThePrint@yahoogroups.com]On Behalf Of Paul Roark
  Sent: Sunday, January 08, 2006 2:45 AM
  To: DigitalBlackandWhiteThePrint@yahoogroups.com
  Subject: RE: [Digital BW] Questions about MIS UT7 setup and dilutions


  Philip,

  > ... I was looking at QTR 2200 profiles for UT7 inkset.
  >I found majority profiles are using 3 or 4 inks only ...

  I have not looked at the QTR curves.  For some situations the light toner
  might be able to give enough toning for a decent image, at least on a
matte
  paper.  However, for best quality for neutral tones and especially for
  glossy paper, I'd use all the C and M channel inks.  In my view the LK and
Y
  would be the only unused spots for most situations.

  However, you're best shot in a quad might be to use the UT7 C and LC
  (carbons) and the Ut7 LM as the sole toner.  In a modern quad like the
C86,
  that might work.


  >   Is it possible, using Epson drivers we need more than 3 or 4 inks, but
  > use QTR we need only 3 or 4 for each paper?

  QTR can be more efficient in this respect than the Epson driver.  The LK,
  for example, is really a wasted spot for B&W with the Epson driver.
  However, I suspect, especially for glossy papers, at least 4 gray inks are
  needed for best quality in neutral prints.  The light toner only will
  probably not be able to stop a visible cross-over in the shadows, and it
may
  flood the glossy papers there also.

  Paul
  www.PaulRoark.com




  >
  >    -----Original Message-----
  >   From: DigitalBlackandWhiteThePrint@yahoogroups.com
  > [mailto:DigitalBlackandWhiteThePrint@yahoogroups.com]On Behalf Of Paul
  > Roark
  >   Sent: Saturday, January 07, 2006 11:17 AM
  >   To: DigitalBlackandWhiteThePrint@yahoogroups.com
  >   Subject: RE: [Digital BW] Questions about MIS UT7 setup and dilutions
  >
  >
  >   Philip,
  >
  >   > For most papers we only need about 3 or 4 inks/positions from UT7
  >   > so it is possible to use UT7 in 4 or 6 color Epson printers.
  >   > Is this correct?
  >
  >   No, UT7 needs the cyan and magenta hextone channels, in addition to
the
  >   black ink.  It has light and dark warm carbon and cool toner inks.  A
  > 4-ink
  >   printer only has 3 spots aside from the black.  The UT1 is the
  > variable-tone
  >   inkset that will work in a 4-ink ("quadtone") printer.
  >
  >   > Also is it possible to buy only 3 inks if only use PhotoRag for warm
  > or
  >   > cold tone, and 5 inks for both? And keep other position with
original
  >   > Epson inks?
  >
  >   The yellow position is the only one that is really optional and open.
  > If
  >   you are using a rip, you can also do without the LK.
  >
  >   With the Epson driver, you probably could put almost anything in the Y
  > spot.
  >   To turn on the black ink with the Epson driver that ink does need to
be
  >   "full-on" in the curves set at 100%.  While the black ink is
substituted
  > for
  >   all the midtones at that point, there is a slight risk that too high a
  > gamut
  >   ink in the Y position would affect the tone of the image in the deep
  >   shadows.
  >
  >   You can buy the inks in bulk or by the individual cartridge.
  >
  >   >   MIS said EZN has only two different inks.
  >
  >   The EZ midtone inks are neutral or warm.  That's it.  They both have
the
  >   same density.
  >
  >   > How about UT7? All seven are different inks?
  >
  >   Yes.
  >
  >   Paul
  >   www.PaulRoark.com
  >
  >
  >
  >
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  Please visit the Group Homepage to check the Files, and other resources as
they are often being updated.

  http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint

  If you wish to receive no emails or just a daily digest, or you wish to
unsubscribe, please edit your Membership preferences by visiting this same
page.

  Please follow these basic guidelines:
  - As threads develop, trim off excess portions of earlier messages to keep
them short.
  - Good manners are required at all time. No personal attacks or flames.
Hostile, aggressive or argumentative users may be removed from the
membership without notice.
  - Keep your posts and threads related to the group topic of digital B&W
printing. Users who persistently make off-topic posts may be removed from
the membership.
  - By posting on this forum you agree to abide by the group rules and
guidelines, and to abide by the actions and decisions of the group Owner and
Moderators. See Group Topic, Rules and Guidelines in the Files section:
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  BY PARTICIPATING IN AND/OR POSTING MESSAGES TO THE DIGITAL BW, THE PRINT
YAHOO! GROUP YOU EXPRESSLY UNDERSTAND AND AGREE THAT THE OWNER AND
MODERATORS OF DIGITAL BW, THE PRINT YAHOO GROUP SHALL NOT BE LIABLE TO YOU
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL OR EXEMPLARY
DAMAGES, INCLUDING BUT NOT LIMITED TO, DAMAGES FOR LOSS OF PROFITS,
GOODWILL, USE, DATA OR OTHER INTANGIBLE LOSSES (EVEN IF THE  OWNER AND
MODERATORS OF DIGITAL BW, THE PRINT YAHOO GROUP HAVE BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES), RESULTING FROM: (i) THE USE OR THE INABILITY
TO USE THE DIGITAL BW, THE PRINT YAHOO GROUP; (ii) UNAUTHORIZED ACCESS TO OR
ALTERATION OF YOUR TRANSMISSIONS OR DATA; (iii) STATEMENTS OR CONDUCT OF ANY
THIRD PARTY ON THE DIGITAL BW, THE PRINT YAHOO GROUP; OR (iv) ANY OTHER
MATTER RELATING TO THE DIGITAL BW, THE PRINT YAHOO GROUP.




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