1. installation

yum -y install cups cups-lpd

2. configuration

systemctl enable cups.service
systemctl start cups.service
cupsctl --remote-admin --remote-any --share-printers --user-cancel-any

3. lpd queue names

4. backends

ipp://prt021.d01.net:631/ipp
lpinfo --include-schemes dnssd -v

5. commands

lpstat -t
scheduler is running
no system default destination
device for Cups-PDF: cups-pdf:/
device for xp-342: lpd://10.1.2.21:515/PASSTHRU
Cups-PDF accepting requests since Sun 22 Jul 2018 04:39:13 PM CEST
xp-342 accepting requests since Sun 22 Jul 2018 04:36:49 PM CEST
printer Cups-PDF is idle.  enabled since Sun 22 Jul 2018 04:39:13 PM CEST
printer xp-342 is idle.  enabled since Sun 22 Jul 2018 04:36:49 PM CEST
lpstat -W all -u | tail
HP_Color_Laser-104      alain            10240   Tue 28 Sep 2021 12:08:27 PM CEST
HP_Color_Laser-105      alain          1175552   Tue 28 Sep 2021 12:09:24 PM CEST
HP_Color_Laser-106      alain            13312   Tue 28 Sep 2021 01:37:27 PM CEST
HP_Color_Laser-107      alain           641024   Tue 28 Sep 2021 04:24:56 PM CEST
HP_Color_Laser-108      alain           523264   Wed 29 Sep 2021 11:48:00 PM CEST
Cups-PDF-109            alain            29696   Sun 03 Oct 2021 11:15:48 AM CEST
HP_Color_Laser-110      alain            29696   Sun 03 Oct 2021 11:16:16 AM CEST
HP_Color_Laser-111      alain            30720   Sun 03 Oct 2021 11:47:06 AM CEST
HP_Color_Laser-112      alain            29696   Sun 03 Oct 2021 11:56:36 AM CEST
HP_Color_Laser-113      alain            29696   Sun 03 Oct 2021 01:41:52 PM CEST