thnx for the help,
I already figured it out... had to adjust the printer settings to "Best quality" and adjust the colors/contrast/brightness.
"Best quality" is 5600 dpi, way way overkill for tshirts and slooowwwww to print. I have the WF1100 and should be very similar. Your paper type determines the ink coverage amount. I use "plain paper" and "Text + graphic" setting this is about 1400 dpi, it will print twice as fast than higher setting and you won't really see the resolution difference on a tshirt anyway. If you have to adjust images beyond normal photo editing you are doing something wrong.
OEM "durabrites" should give similar results except you will get some color shift to yellow after heat pressing.
See the photo.
Cobra pigment inks using JPSS paper, WF1100 at 1400 dpi. Top image is with the Cobra profile and the lower image is without the profile. The profile gives a little more "pop" but technically without the profile I gets more accuracy.
[media]http://www.mgparrish.com/DSC_0344.jpg[/media]
Suggest to use JPSS and Cobra pigment inks, they supply inks for the Epson 7010.