QTR-Quadtone RIP

JP,

As Eric said, you can use the print tool to print color prints and utilize paper profiles to match colors much more closely.

The reason he mentioned that his prints coming from the print tool are much lighter is because the print tool is completely circumventing an issue that apple and adobe have created with color management - when printing with photoshop on OSX 10.6.x or newer, your images are still being color managed twice, so the printer is being told to lay down more ink than is necessary.

I've done extensive testing in our lab comparing the print tool to printer color management, photoshop color management, and colorburst rip with both color and black and white output and using QTR Curves in the print tool.  

The print tool and colorburst rip are instructing the printer on how much ink to lay down correctly because they are overriding Apple's ColorSync correctly, photoshop does not do this anymore.

Roy will be able to speak more knowledgeably on how this works (it's still too early in the morning after shooting a wedding for me). 

After all the testing was done, I don't even use Photoshop to print anymore - I output all color and black and white prints through the print tool, and this is a workflow that is being added to our advanced printing class.

Nick Enghardt
St. Edward's University Advanced Imaging Lab Manager

--- In QuadtoneRIP@yahoogroups.com, "jespes2" <jesse.pesta@...> wrote:
>
> Hello,
> I'm a happy QTR licensee on a Mac for many years, currently  using Epson 3800 and 7800.   I've never printed color until now and I am having terrible trouble. Strongly suspect it's the "double profiling" problem or whatever it's officially called, where color management gets applied twice--once by Photoshop, again by printer. The prints come out extremely dark/muddy and colors way off.
> 
> Here is my question: Is it possible to print color images to the 3800 and 7800 with the QTR Print Tool and is this a way to avoid the double-color-management problem on color images? If so, is there a recommended procedure?
> 
> Mac 10.7.5 (Lion) Photoshop CS6
> 
> Relatedly: If anyone can point me to a for-dummies guide to fixing double-color-management, I will be forever grateful. I've tried various recipes but can't get a procedure that actually works. Probably missing a  simple step; can't for life of me spot what it is. Much paper and time wasted so far,etc.
> 
> Many thanks in advance , best regards,
> JP
>