[t]est the [c]upsd.conf configuration file for errors

Server daemon for the CUPS print server.
More information: <https://www.cups.org/doc/man-cupsd.html>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

cupsd -t -c {{path/to/cupsd.conf}}

click the source code to copy install cupsd on any operating system with command-not-found.com