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ohtoulouz's latest activity
ohtoulouz
reacted to
pharmacist's post
in the thread
How to generate a simple RGB printer profile using ArgyllCMS and the CR30 colorimeter/spectrophotometer
with
Like
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I would start with my 300 patch target. I have tested the profiling making with 3 printers: dye printers like the Canon TS705 and the...
Feb 10, 2026
ohtoulouz
replied to the thread
How to generate a simple RGB printer profile using ArgyllCMS and the CR30 colorimeter/spectrophotometer
.
Thanks. I will try. I began with ~200 patches because I thought that 300 were too small. But, with a bit of practice, I think I can...
Feb 10, 2026
ohtoulouz
replied to the thread
How to generate a simple RGB printer profile using ArgyllCMS and the CR30 colorimeter/spectrophotometer
.
Well, I think I have another question. I have two printers: an Epson XP-970 and a Canon pro-300. I tested paper profiling on the XP-970...
Feb 10, 2026
ohtoulouz
reacted to
pharmacist's post
in the thread
How to generate a simple RGB printer profile using ArgyllCMS and the CR30 colorimeter/spectrophotometer
with
Like
.
spectral band between 400-700 nm is almost the same as the much mor expensive i1Pro2: 380-730 nm. The reason why this small device does...
Feb 10, 2026
ohtoulouz
replied to the thread
How to generate a simple RGB printer profile using ArgyllCMS and the CR30 colorimeter/spectrophotometer
.
Hello, I got a response from CHNSpec about various questions I had about the CR30. Here it is: "- The CR30 will display a red light...
Feb 10, 2026
ohtoulouz
replied to the thread
How to generate a simple RGB printer profile using ArgyllCMS and the CR30 colorimeter/spectrophotometer
.
Sorry if my messages seem to be posted with a huge delay. There is a note at the begining of most of my messages saying "This message is...
Feb 10, 2026
ohtoulouz
replied to the thread
How to generate a simple RGB printer profile using ArgyllCMS and the CR30 colorimeter/spectrophotometer
.
Yes. It is really a good and cheap little device. But, to be honest, without both of you, pharmacist and Epatcola, It would have been...
Feb 9, 2026
ohtoulouz
reacted to
pharmacist's post
in the thread
How to generate a simple RGB printer profile using ArgyllCMS and the CR30 colorimeter/spectrophotometer
with
Like
.
Mine behaves the same: nothing to be worried about. Anyhow I am glad you managed to get your first printer profile using my 300 patch...
Feb 9, 2026
ohtoulouz
reacted to
Epatcola's post
in the thread
How to generate a simple RGB printer profile using ArgyllCMS and the CR30 colorimeter/spectrophotometer
with
Like
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It flashes red during a measurement. It looks like green just indicates charging from the USB port and the brightness indicates charge...
Feb 9, 2026
ohtoulouz
reacted to
Epatcola's post
in the thread
How to generate a simple RGB printer profile using ArgyllCMS and the CR30 colorimeter/spectrophotometer
with
Like
.
The CR30 only calculates and displays Lab values for D65/10. The software calculates Lab values for the illuminant you select. If you...
Feb 9, 2026
ohtoulouz
reacted to
pharmacist's post
in the thread
How to generate a simple RGB printer profile using ArgyllCMS and the CR30 colorimeter/spectrophotometer
with
Like
.
Don't use the BlueTooth method only USB. Normally after a reading you will hear a sound (beep): release only from the paper surface...
Feb 9, 2026
ohtoulouz
replied to the thread
How to generate a simple RGB printer profile using ArgyllCMS and the CR30 colorimeter/spectrophotometer
.
Yes, This is exactly what I did. The strange thing is that the green light slowly faints from time to time and gets back to normal after...
Feb 9, 2026
ohtoulouz
replied to the thread
How to generate a simple RGB printer profile using ArgyllCMS and the CR30 colorimeter/spectrophotometer
.
Thanks @Epatcola It is this light, when the CR30 is connected by USB. But maybe it is just to tell the battery is charging: because...
Feb 9, 2026
ohtoulouz
replied to the thread
How to generate a simple RGB printer profile using ArgyllCMS and the CR30 colorimeter/spectrophotometer
.
Hello, I have received the CR30 this morning and the calibration of a low cost mat paper gives very good results. So, thanks you so...
Feb 9, 2026
ohtoulouz
replied to the thread
How to generate a simple RGB printer profile using ArgyllCMS and the CR30 colorimeter/spectrophotometer
.
Yes I downloaded your script too. They work fine with the test files. Thanks a lot. My last concern is the way to read the patches: the...
Feb 3, 2026
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