Linux puskom-ProLiant-DL385-Gen10 5.4.0-150-generic #167~18.04.1-Ubuntu SMP Wed May 24 00:51:42 UTC 2023 x86_64

//lib/systemd/system/cups.service

 [Unit]
Description=CUPS Scheduler
Documentation=man:cupsd(8)
After=sssd.service

[Service]
ExecStart=/usr/sbin/cupsd -l
Type=simple
Restart=always

[Install]
Also=cups.socket cups.path
WantedBy=printer.target