net-misc/nxnode does not detect cups backend and requires manual execution of /usr/NX/scripts/setup/nxnode --nxprintsetup /usr/libexec adding /usr/libexec to CUPS_PATH in nxnode fix the issue. Reproducible: Always
Created attachment 251321 [details, diff] nxnode.cups_path.patch patch to add /usr/libexec to CUPS_PATH
Thanks for the report and patch! And sorry for the delay, this is now in nxnode-3.4.0.16-r1 in tree