Gern:
root@hp-250-g6:~# dpkg -l *cups* lpr* | grep ii
ii bluez-cups 5.72-0ubuntu5 amd64 Bluetooth printer driver for CUPS
ii cups 2.4.7-1.2ubuntu7.3 amd64 Common UNIX Printing System(tm) - PPD/driver support, web interface
ii cups-browsed 2.0.0-0ubuntu10.3 amd64 OpenPrinting cups-browsed
ii cups-bsd 2.4.7-1.2ubuntu7.3 amd64 Common UNIX Printing System(tm) - BSD commands
ii cups-client 2.4.7-1.2ubuntu7.3 amd64 Common UNIX Printing System(tm) - client programs (SysV)
ii cups-common 2.4.7-1.2ubuntu7.3 all Common UNIX Printing System(tm) - common files
ii cups-core-drivers 2.4.7-1.2ubuntu7.3 amd64 Common UNIX Printing System(tm) - driverless printing
ii cups-daemon 2.4.7-1.2ubuntu7.3 amd64 Common UNIX Printing System(tm) - daemon
ii cups-filters 2.0.0-0ubuntu4 amd64 OpenPrinting CUPS Filters - Main Package
ii cups-filters-core-drivers 2.0.0-0ubuntu4 amd64 OpenPrinting CUPS Filters - Driverless printing
ii cups-ipp-utils 2.4.7-1.2ubuntu7.3 amd64 Common UNIX Printing System(tm) - IPP developer/admin utilities
ii cups-pk-helper 0.2.6-1ubuntu8 amd64 PolicyKit helper to configure cups with fine-grained privileges
ii cups-ppdc 2.4.7-1.2ubuntu7.3 amd64 Common UNIX Printing System(tm) - PPD manipulation utilities
ii cups-server-common 2.4.7-1.2ubuntu7.3 all Common UNIX Printing System(tm) - server common files
ii libcups2t64:amd64 2.4.7-1.2ubuntu7.3 amd64 Common UNIX Printing System(tm) - Core library
ii libcupsfilters2-common 2.0.0-0ubuntu7.1 all OpenPrinting libcupsfilters - Auxiliary files
ii libcupsfilters2t64:amd64 2.0.0-0ubuntu7.1 amd64 OpenPrinting libcupsfilters - Shared library
ii libcupsimage2t64:amd64 2.4.7-1.2ubuntu7.3 amd64 Common UNIX Printing System(tm) - Raster image library
ii printer-driver-hpcups 3.23.12+dfsg0-0ubuntu5 amd64 HP Linux Printing and Imaging - CUPS Raster driver (hpcups)
ii python3-cups:amd64 2.0.1-5build6 amd64 Python3 bindings for CUPS
ii python3-cupshelpers 1.5.18-1ubuntu9 all Python utility modules around the CUPS printing system
root@hp-250-g6:~#
root@hp-250-g6:~# dpkg -l libusb* | grep ii
ii libusb-1.0-0:amd64 2:1.0.27-1 amd64 userspace USB programming library
ii libusbmuxd6:amd64 2.0.2-4build3 amd64 USB multiplexor daemon for iPhone and iPod Touch devices - library
ii libusbredirhost1t64:amd64 0.13.0-2.1build1 amd64 Implementing the usb-host (*) side of a usbredir connection (runtime)
ii libusbredirparser1t64:amd64 0.13.0-2.1build1 amd64 Parser for the usbredir protocol (runtime)
root@hp-250-g6:~#
root@hp-250-g6:~# sudo dpkg -l | egrep hp
ii hplip 3.23.12+dfsg0-0ubuntu5 amd64 HP Linux Printing and Imaging System (HPLIP)
ii hplip-data 3.23.12+dfsg0-0ubuntu5 all HP Linux Printing and Imaging - data files
ii hplip-gui 3.23.12+dfsg0-0ubuntu5 all HP Linux Printing and Imaging - GUI utilities (Qt-based)
ii libhpmud0:amd64 3.23.12+dfsg0-0ubuntu5 amd64 HP Multi-Point Transport Driver (hpmud) run-time libraries
ii libpathplan4:amd64 2.42.2-9ubuntu0.1 amd64 rich set of graph drawing tools - pathplan library
ii libsane-hpaio:amd64 3.23.12+dfsg0-0ubuntu5 amd64 HP SANE backend for multi-function peripherals
ii printer-driver-hpcups 3.23.12+dfsg0-0ubuntu5 amd64 HP Linux Printing and Imaging - CUPS Raster driver (hpcups)
ii printer-driver-postscript-hp 3.23.12+dfsg0-0ubuntu5 amd64 HP Printers PostScript Descriptions
ii python3-launchpadlib 1.11.0-6 all Launchpad web services client library (Python 3)
root@hp-250-g6:~#
root@hp-250-g6:~# dpkg -l | egrep 'scangear*|cnij*'
root@hp-250-g6:~#
root@hp-250-g6:~# systemctl --no-pager status cups*
● cups-browsed.service - Make remote CUPS printers available locally
Loaded: loaded (/usr/lib/systemd/system/cups-browsed.service; enabled; preset: enabled)
Active: active (running) since Sun 2025-02-09 17:05:29 CET; 45min ago
Main PID: 1481 (cups-browsed)
Tasks: 4 (limit: 9338)
Memory: 8.7M (peak: 10.2M)
CPU: 303ms
CGroup: /system.slice/cups-browsed.service
└─1481 /usr/sbin/cups-browsed
Feb 09 17:05:29 hp-250-g6 systemd[1]: Started cups-browsed.service - Make r…lly.
● cups.service - CUPS Scheduler
Loaded: loaded (/usr/lib/systemd/system/cups.service; enabled; preset: enabled)
Active: active (running) since Sun 2025-02-09 17:05:23 CET; 45min ago
TriggeredBy: ● cups.path
● cups.socket
Docs: man:cupsd(8)
Main PID: 1416 (cupsd)
Status: "Scheduler is running..."
Tasks: 2 (limit: 9338)
Memory: 47.8M (peak: 194.2M)
CPU: 3.894s
CGroup: /system.slice/cups.service
├─1416 /usr/sbin/cupsd -l
└─1791 /usr/lib/cups/notifier/dbus dbus://
Feb 09 17:05:23 hp-250-g6 systemd[1]: Starting cups.service - CUPS Scheduler...
Feb 09 17:05:23 hp-250-g6 systemd[1]: Started cups.service - CUPS Scheduler.
● cups.path - CUPS Scheduler
Loaded: loaded (/usr/lib/systemd/system/cups.path; enabled; preset: enabled)
Active: active (running) since Sun 2025-02-09 17:05:20 CET; 45min ago
Triggers: ● cups.service
Feb 09 17:05:20 hp-250-g6 systemd[1]: Started cups.path - CUPS Scheduler.
● cups.socket - CUPS Scheduler
Loaded: loaded (/usr/lib/systemd/system/cups.socket; enabled; preset: enabled)
Active: active (running) since Sun 2025-02-09 17:05:20 CET; 45min ago
Triggers: ● cups.service
Listen: /run/cups/cups.sock (Stream)
CGroup: /system.slice/cups.socket
Feb 09 17:05:20 hp-250-g6 systemd[1]: Listening on cups.socket - CUPS Scheduler.
Hint: Some lines were ellipsized, use -l to show in full.
root@hp-250-g6:~# root@hp-250-g6:~# lpstat -t
Zeitplandienst läuft
keine systemvoreingestellten Ziele
Gerät für HP_LaserJet_Pro_MFP_M127fw_BD9237: implicitclass://HP_LaserJet_Pro_MFP_M127fw_BD9237/
Gerät für Roger-Router-Fax: socket://localhost:9100/
HP_LaserJet_Pro_MFP_M127fw_BD9237 akzeptiert Anfragen seit So 09 Feb 2025 17:08:12 CET
Roger-Router-Fax akzeptiert Anfragen seit So 09 Feb 2025 16:50:49 CET
Drucker HP_LaserJet_Pro_MFP_M127fw_BD9237 ist im Leerlauf. Aktiviert seit So 09 Feb 2025 17:08:12 CET
Drucker Roger-Router-Fax ist im Leerlauf. Aktiviert seit So 09 Feb 2025 16:50:49 CET
root@hp-250-g6:~#
root@hp-250-g6:~# lpinfo -v
network https
network beh
network socket
network ipp
network http
network ipps
network lpd
direct hp
direct hpfax
network dnssd://HP%20LaserJet%20Pro%20MFP%20M127fw%5BBD9237%5D._pdl-datastream._tcp.local/
network socket://192.168.102.3
network ipp://HP%20LaserJet%20Pro%20MFP%20M127fw%5BBD9237%5D._ipp._tcp.local/
root@hp-250-g6:~#
root@hp-250-g6:~# hp-info -i
warning: hp-info should not be run as root/superuser.
HP Linux Imaging and Printing System (ver. 3.23.12)
Device Information Utility ver. 5.2
Copyright (c) 2001-18 HP Development Company, LP
This software comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to distribute it
under certain conditions. See COPYING file for more details.
error: No device found that support this feature.
root@hp-250-g6:~#
