cups from home:goupilmtos:Printing project
Select Your Operating System
Add repository and install manually
For Goupilmtos15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:goupilmtos:Printing/Goupilmtos15.6/home:goupilmtos:Printing.repo zypper refresh zypper install cups
For Goupilmtos15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:goupilmtos:Printing/Goupilmtos15.5/home:goupilmtos:Printing.repo zypper refresh zypper install cups