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Something else: would it possible for Claude to have a look at the ArgyllCMS i1Pro driver and compare it with the proprietary i1Pro2 driver (with flashing green lights when a row is down properly, red light when error and double blue light when the wrong patch row is read etc) and write a new...

Actually for modern printers (very linear in behaviour and especially on printers with at least 1 grey ink) it is not necessary to create larger targets: The TC9.18 was already designed to have good neutral grey reproduction on CcMmYK printers (without having a grey ink). I could make a larger...

OK here it is: I have compress the whole TC9.24 (slightly modified TC9.18 target with 3 extra blacks + 3 extra whites) on a single sheet of A3. The target can be scanned with both the Colormunki/i1Studio as well as the i1Pro1/2/3 (turn around 90 degrees). Above you can see I have done test...

Here is my picture printed with my Epson ET-18100 (CcMmYK: NO grey inks !!!). One printed with the profile made with the latest version of PrintPrism (version 210): 3 times scanning with 30 seconds cool down and the one below the profile made with ChromIQ (ArgyllCMS + i1Pro2): A bit distorted...

Hi Sebastian, Yes you can add them already to the latest version. Maybe Alan should have a look at too (the Letter version: make a profile with it and report back). He should download the second version (Letter: 8.5 x 11 inch).

Trying a new custom modified target (TC9.18 + Spyderprint Extended greys target + some extra patches up to 1160 in total to make 2 x 580 patches: 20 rows of 29 patches equally divied onto 2 sheets of A4) No problem by ChromIQ to detect the letters beloning to each row, despite the entry form...

The problem is MacOS tending to force their Airprint driver (havoc with color management) upon each upgrade with the OS and remove the proprietary Canon or Epson driver. That is the reason why many years ago I sold my iMac 5K Retina machine in favour of a Ryzen Windows machine and my problems...

Long live macOS not about color management...... ironically Apple was the cradle of graphical programs and color management.....but it is just terrible now....no problems with the Windows version here at all.

thanks, at the moment busy at work, I will have a look later and report back.

Hi Sebastian, I think his proposals are legit. I can have a look at the printtarg commands how they work out. Can you provide me the ti1 file that Knut mentioned in the last line ? I want to have a look at. Best regards,

The reason is that standard ArgyllCMS targen cannot know the exact neutral axis (by generating a primary target ArgyllCMS can sample the exact area where the neutral axis is and this information can be used to as a preconditioning profile to exactly sample that area). The TC9.18 (or my slightly...

I suggest to replace the old ones with these new ones. They are better.

OK, I have made 4 presets for ChromIQ: 2 for the Colormunki/i1Studio: -1 page 300 patch target based on the TC2.83 (modified to include a few extra black and white patches + most importantly extra grey steps to improve grey separation). -2 page 702 patch target based on the Spyderprint High...

I have tested it: the extra information on the right is discarded by ChromIQ. I only must not put text above the letters, for that the system will get confused. As long as there is nothing above the letters of the row it is ok. Therefore my new design targets take this into consideration.

Alright folks, I have made a new simple target based on the TC2.83 target of GretagMacbeth software and still included with the i1Profiler target. I have modified it to include extra grey steps and extra black and white patches. The target is for the Colormunki/i1Studio to be printed on a...

I have done several tests with the TC9.18 target and ArgyllCMS (via ChromIQ) really does not like gradual patch strips like the ones without scrambling from i1Profiler and in the end I decided to go for scrambling instead of preserve patch order: This is the result of "preserve patch order" in...

Now we know the cause of the problems. I will do some extra testing to be sure and upload some extra presets too. Most probably I will upload special randomized TC9.18 target for which I have the pxf-file.

OK this is the result with the latest version (non-randomized): Softproofing is now ok:

I have mail for you Sebastian. Tried another pxf-file as base for a new ti1 file in NON-randomized order and from this: to obtain a profile that softproofs like this: I tried the new generated ti1 set derived from the original T9.txt (cgat format) that is included in the i1Profiler...

OK, could be so I will try now the natively converted files for a new attempt to create the profile again and report back. Most likely my corrupted and not so well converted ti1 file (TC924.ti1) is the culprit of the strange looking profiles I get with ChromIQ. So I am now using a ti1 file that...