Hello, thank you for the reply and your time.
I have followed all the steps and the problem continues.
All users were able to print on all printers
Could you give me more details on point 4? Maybe there is something I have missed.
In addition to the procedure you mentioned, I have modified permissions in the security tab in the printer administration. In it I have deleted the "Everyone / All" group and added the B/W_Printer_Users group with all permissions.
When I do this, users outside the B/W_Printer_Users group cannot print but those inside cannot either, it indicates an error without further explanation (see attached images).
Example / Lab update :
-> the user 1 and user 2 they can use only color printer
-> the user 3 and 4 they only can use the B/W printer
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