Why my 100% black CMYK keep changing to %?

Hello

Recently, in the last few weeks, whenever I have my work using 100% of black color CMYK (100, 100, 100, 100), the Illustrator settings change finally black (75,02, 67,97, 67.02, 90,16) all on its own.  Can someone help me understand why does Illustrator?  It's time to use having to constantly change all my artwork in black 100% whenever I'm going to save or print.  Each registered 100% black file is converted to this black lower setting when I reopen it the file and often even while I work on the open file.

I hope I explained this correctly.

Thank you!

Because the document is in RGB color mode. File > Document color mode > CMYK

Edit:

and by the way, when you work in an RGB color space and using the CMYK sliders, you choose a black color as C = 100 M = 100 Y = 100 K = 100, color management converts black Black maximum possible with such ink coverage limit as specified in the printer's CMYK color profile. This is the way I use to make sure that I'm not more than allowed for a paper printing ink coverage.

Tags: Illustrator

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