Michael, Curves and profiles would probably not, by themselves, cause banding. The curves, which are provided primarily so that people can make their own custom ICCs using QTR's Create ICC-RGB, do often use a disproportionate amount of yellow-position (2% Eboni) Eb6-Y. If that channel was having problems, those curves and the ICCs based on them probably would show that problem more than the simple Epson driver and Color Control, gamma 2.2 printing. So, my guess is that you are having problems with one or more of the channels. Be sure the nozzle check is perfect. With Eboni-6, a clog in one of the dilute inks is unlikely. If there is a gap it is probably an air bubble in the outlet of the cartridge. If the inks were just loaded, sometimes letting it sit overnight is the best fix. Good luck with the system. Paul www.PaulRoark.com On Mon, Sep 17, 2012 at 1:30 AM, bakerstrten1 <bakerstrt@...> wrote: > ** > > > I have an Epson 1430 with Eb 6 inks. I can use the Epson driver and the > profiles from Paul Roark to make reasonable prints. However when I use the > curves downloaded from the same source the prints show banding and seems to > show excessive contrast. > > I am saving the file as a grey gamma 2.2 tiff and then printing it using > the appropriate EB6 curve but without smooth transitions between tones. > Could there be something I am doing wrong? > > Thanks, in anticipation. > > Michael > > > [Non-text portions of this message have been removed]
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Re: [Digital BW] Problems with Eboni ink curves & QTR
2012-09-17 by Paul Roark
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