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Having installed QCDN on a Mac mini (OS Mojave), I have no problem for the ?preparation of linearised curves. But if I use the manual curve, qcdn crash (report? in attached file). Any idea about the

Richard, thank you very much for this. i am curious whether this was a measurement issue or if the WDG was actually darker than the PK? Follow on question is if this happens again how can I fix it? I

Another suggestion: I use QTR on a PC with a P800 printer, which replaced the 3880 and 3800. I use the front feed to avoid “pizza wheel marks” and print my digital negatives on Fixxons for

Hello Williamskg Unfortunately, both of the easier methods of creation of the QIDF are only automated in software on the MAC, which is why people keep telling everyone "Just buy a MAC"? (Boutwell

This was a tricky one. Basically, the WDG ink is SLIGHTLY darker than the PK ink in the last two steps, and the crossover calculation hits a wall. I will do some additional error-checking when loading

Hello,? I have been using my Epson 3800 to produce digital negatives using fairly conventional lookup table means.? I wish to step up my digital negative game and use QuadTone RIP instead, but I'm

You are welcome! Warmest regards -Walker

Hi Walker, I wanted to thank you for your suggestion regarding the sharpie and the CMY cgats and workflow files. I followed your instructions and I’m happy to report that it worked! I was able to

Graciana, I’ve been thinking about this with a little time on my hands this weekend in Chicago. i1Profiler does actually require a “color” to be close in nature to the base RGB color of the

I am starting to build a custom profile for a new (to me) paper.? In trying to load the 4x21 warm tone ink separation measurement file the program crashes.? the cool tone file loads with no issue.?

Hi Jon, Thank you for your patience and assistance. Today, I printed a new negative and exposed it with both cyanotype and gum bichromate processes using the same negative. The cyanotype target

Ugh! I do not think it is the gum per se...? but have you tried with cyan? Cyan is darker by default and may be closer to the expectations of the i1 profiler. From what I am understanding you are

Thank you! I was printing from a different printer profile and that option wasn't available, but it is available under another, so that should work! Thanks so much!

Chloe, you didn't mention what platform you're using. If you're on MacOS, the option to use the Front Poster Board paper feed is available. In Print Tool, click on Paper & Print Settings, scroll down

Dear Jon and Walker, Thank you for your prompt responses. I tried printing the target at 100% and ensured it was letter size, aligned properly without white paper on the sides, and using the

Richard, Please forgive me, I know I’m driving you crazy. I did not read the manual completely. I am now. Ernesto.

Dear Graciana, In this case though the shadow of the top left/right white paper is possibly causing a double line read at the first and last patches (specifically that little gap between the end

Hi Graciana, I noticed you trimmed off the starting and end points of the target rows that i1 uses to find its beginning of and end of measurements. It may be that it can not come off the white

This is because it is for use with the custom curve creation and partition module that is limited to 8 channels. (This might change in the future.) if you want to create a full 10-ink target just

This is a case of not reading the manual. You can't load a measurement file with a mix of color and gray inks because it is going to try to make a single grayscale curve (because it is only using the