On 13/03/10 11:14 AM, "Walker Blackwell" <forums@...> wrote:
> I would also note that for anyone using a rip (say colorburst) and not
> using Epson's default screening (Epson's default screening will add
> color ink overlay into the netrual to compensate for the brown/green K
> ink that Epson sells) you can buy 4 selenium inks from Jon Cone to
> replace your PK MK LK LLK. Then, when you build your custom CMYK
> profile, the setup will use more pure K ink when printing neutrals in
> color images. This cuts matamerism way down and generally gives you a
> superior profile for printing neutral images with small areas of full
> color (one of the hardest printing procedures, and something today's
> profilers still can't handle very well with mixed Ks like Epson). The
> 3800/3880 (with it's 6 droplet sizes) are uniquelly up to this task.
> Also, this method will give you a more stable (neutral) starting point
> for building QuadtoneRIP profiles for your color inks.
>
> This really only works best with the newest head tech starting on the
> 3800/4880/3880/9880
>
> I tried this on the 9600 back in the day, but it was touch and go. I
> think Epson developed the brown K ink originally because they were
> limited in nozzles. The only way to get a line/dot-free BW print was
> to mix brown/green K ink with other colors to up the amount of nozzles
> needed to make a neutral print with "high enough" physical resolution.
> I could get a semi-satisfactory neutral K print from the 9600 using
> 2880dpi and Smooth Diffusion dither form Studioprint. But this was
> about it. They probably still do this to make it harder for others to
> replicate their ink overlays, but that is just my cynicism bubbling up.
>
> Walker
>
>
>
> ------------------------------------
>
> 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:
> http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint/files/
>
> 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.
> Yahoo! Groups Links
>
>
>