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Tone of K and C inks

Tone of K and C inks

2015-01-25 by pprocter@...

I think this may be an admission of my own fallibility but here goes: I've been playing with the MIS inkset in my old Epson 1400 and noticed that when I print using only black ink (K) the image is warmer toned than when I print using only the cyan (c, obviously) cartridge. The C gives me a wonderful, full range cold black tone.


Did I screw up last time I refilled the inks and put the K into the C, etc?

Re: [QuadtoneRIP] Tone of K and C inks

2015-01-26 by Paul Roark

Which inkset?

If Eboni-6, it could be the C position has K in it. See which gives you the highest dmax.

Paul
www.PaulRoark.com
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On Sun, Jan 25, 2015 at 12:52 PM, pprocter@... [QuadtoneRIP] <QuadtoneRIP@yahoogroups.com> wrote:

I think this may be an admission of my own fallibility but here goes: I've been playing with the MIS inkset in my old Epson 1400 and noticed that when I print using only black ink (K) the image is warmer toned than when I print using only the cyan (c, obviously) cartridge. The C gives me a wonderful, full range cold black tone.


Did I screw up last time I refilled the inks and put the K into the C, etc?


Re: [QuadtoneRIP] Tone of K and C inks

2015-01-26 by richard@...

Here is an idea of what the MIS EB6 MK and C (shade-2) densities are like when printed on Hahnamuhle PhotoRag out of an Epson 1430. These are readings of the ink separation strips for the two channels printed 0-100. At the 100% patch the densities are actually pretty close to each other and can be hard to tell apart, but the middle of the scale tells a different story.

When I make profiles for the EB6 ink set, the ink limit for K is down in the mid 30s to mid 40s, and maybe up to 50 depending on the paper. I tend to have more overlap and lower ink limits, which are set so the densities at 100% are evenly spaced rather set to as much as the paper will hold. It seems to make a better profile with this printer compared to profiles I've made with the larger, more consistent printers.

MIS EB6-Purchased in November 2014
Shade_1-MK
Density Shade_2-C
Density 0.03 0.03 0.79 0.43 0.97 0.52 1.26 0.76 1.47 0.96 1.57 1.09 1.62 1.19 1.65 1.28 1.67 1.35 1.67 1.40 1.68 1.44 1.68 1.47 1.69 1.49 1.69 1.52 1.69 1.54 1.69 1.55 1.68 1.53 1.68 1.57 1.66 1.58 1.65 1.59 1.63 1.59
Richard Boutwell

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