I always used the hp printers with Ubuntu without a problems. Probably from version 20 I had a problems. Now I have a fresh install of Ubuntu 21.04, new printer ( HP deskjet plus 6075 ) new usb cable and stil have a problems with printing.
I have made :
sh hplip-3.21.6.run
without problems/errors. Then
hp-check
HP_DeskJet_Plus_6000_series_3BB95C_
-----------------------------------
Type: Unknown
Device URI: implicitclass://HP_DeskJet_Plus_6000_series_3BB95C_/
PPD: /etc/cups/ppd/HP_DeskJet_Plus_6000_series_3BB95C_.ppd
warning: Failed to read /etc/cups/ppd/HP_DeskJet_Plus_6000_series_3BB95C_.ppd ppd file
PPD Description:
Printer status: printer HP_DeskJet_Plus_6000_series_3BB95C_ is idle. enabled since sob, 10 lip 2021, 13:00:41
warning: Printer is not HPLIP installed. Printers must use the hp: or hpfax: CUPS backend for HP-Devices.
HP_DeskJet_Plus_6000_series_3BB95C_USB_
---------------------------------------
Type: Unknown
Device URI: implicitclass://HP_DeskJet_Plus_6000_series_3BB95C_USB_/
PPD: /etc/cups/ppd/HP_DeskJet_Plus_6000_series_3BB95C_USB_.ppd
warning: Failed to read /etc/cups/ppd/HP_DeskJet_Plus_6000_series_3BB95C_USB_.ppd ppd file
PPD Description:
Printer status: printer HP_DeskJet_Plus_6000_series_3BB95C_USB_ is idle. enabled since sob, 10 lip 2021, 13:03:22
warning: Printer is not HPLIP installed. Printers must use the hp: or hpfax: CUPS backend for HP-Devices.
--------------
| PERMISSION |
--------------
USB None Required - - OK Node:'/dev/bus/usb/003/011' Perm:' root lp rw- rw- rw- rw- rw- r--'
-----------
| SUMMARY |
-----------
Missing Required Dependencies
-----------------------------
None
Missing Optional Dependencies
-----------------------------
None
Total Errors: 0
Total Warnings: 2
so I have made
sudo chmod 644 /etc/cups/ppd/HP_DeskJet_Plus_6000_series_3BB95C_USB_.ppd
lpstat -v
device for DeskJet_Plus_6000: ipp://HP%20DeskJet%20Plus%206000%20series%20%5B3BB95C%5D%20(USB)._ipp._tcp.local/
device for HP_DeskJet_Plus_6000_series_3BB95C_: implicitclass://HP_DeskJet_Plus_6000_series_3BB95C_/
device for HP_DeskJet_Plus_6000_series_3BB95C_USB_: implicitclass://HP_DeskJet_Plus_6000_series_3BB95C_USB_/
Prints information page
hp-setup
HP Linux Imaging and Printing System (ver. 3.21.6)
Printer/Fax Setup Utility ver. 9.0
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.
Searching... (bus=usb, search=(None), desc=0)
error: Device error: Unknown/invalid device-uri field (4).
hp-setup -i my_prn_ip
prints test page
Now I can print from gedit. But it took me a few months to print from Ubuntu.
question : Is there general problem with hplip or Ubuntu is not user friendly?
============= edit 1 ======================
I have also used apt-get to install hplip and hp-setup with no effect.
============= edit 2 ====================
I have rename a question : the problem is solved, but the reason of the problem is interesting for me.
===edit 3=====
still problems: https://bugs.launchpad.net/hplip/+bug/1939942