Public bug reported:

Hi,

I have :

sudo hp-setup

HP Linux Imaging and Printing System (ver. 3.20.5)
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.

QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
Searching... (bus=usb, search=(None), desc=0)
Exiting the setup...

Done.


and :

sudo hp-check -r
Saving output in log file: /home/a/hp-check.log

HP Linux Imaging and Printing System (ver. 3.20.5)
Dependency/Version Check Utility ver. 15.1

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.

Note: hp-check can be run in three modes:
1. Compile-time check mode (-c or --compile): Use this mode before compiling 
the HPLIP supplied tarball (.tar.gz or .run) to determine if the proper 
dependencies are installed to successfully compile HPLIP.                       
                                                     
2. Run-time check mode (-r or --run): Use this mode to determine if a distro 
supplied package (.deb, .rpm, etc) or an already built HPLIP supplied tarball 
has the proper dependencies installed to successfully run.                      
                                               
3. Both compile- and run-time check mode (-b or --both) (Default): This mode 
will check both of the above cases (both compile- and run-time dependencies).   
                                                                                
                                             

Check types:                                                                    
                                                                                
                                                                                
                                          
a. EXTERNALDEP - External Dependencies                                          
                                                                                
                                                                                
                                          
b. GENERALDEP - General Dependencies (required both at compile and run time)    
                                                                                
                                                                                
                                          
c. COMPILEDEP - Compile time Dependencies                                       
                                                                                
                                                                                
                                          
d. [All are run-time checks]                                                    
                                                                                
                                                                                
                                          
PYEXT SCANCONF QUEUES PERMISSION                                                
                                                                                
                                                                                
                                          

Status Types:
    OK
    MISSING       - Missing Dependency or Permission or Plug-in
    INCOMPAT      - Incompatible dependency-version or Plugin-version

warning: ubuntu-20.10 version is not supported. Using ubuntu-20.04
versions dependencies to verify and install...

---------------
| SYSTEM INFO |
---------------

 Kernel: 5.8.0-50-generic #56-Ubuntu SMP Mon Apr 12 17:18:36 UTC 2021 GNU/Linux
 Host: zalman
 Proc: 5.8.0-50-generic #56-Ubuntu SMP Mon Apr 12 17:18:36 UTC 2021 GNU/Linux
 Distribution: ubuntu 20.10
 Bitness: 64 bit


-----------------------
| HPLIP CONFIGURATION |
-----------------------

HPLIP-Version: HPLIP 3.20.5
HPLIP-Home: /usr/share/hplip
warning: HPLIP-Installation: Auto installation is not supported for ubuntu 
distro  20.10 version 

Current contents of '/etc/hp/hplip.conf' file:
# hplip.conf.  Generated from hplip.conf.in by configure.

[hplip]
version=3.20.5

[dirs]
home=/usr/share/hplip
run=/var/run
ppd=/usr/share/ppd/hplip/HP
ppdbase=/usr/share/ppd/hplip
doc=/usr/share/doc/hplip
html=/usr/share/doc/hplip-doc
icon=no
cupsbackend=/usr/lib/cups/backend
cupsfilter=/usr/lib/cups/filter
drv=/usr/share/cups/drv
bin=/usr/bin
apparmor=/etc/apparmor.d
# Following values are determined at configure time and cannot be changed.
[configure]
network-build=yes
libusb01-build=no
pp-build=no
gui-build=yes
scanner-build=yes
fax-build=yes
dbus-build=yes
cups11-build=no
doc-build=yes
shadow-build=no
hpijs-install=yes
foomatic-drv-install=yes
foomatic-ppd-install=no
foomatic-rip-hplip-install=no
hpcups-install=yes
cups-drv-install=yes
cups-ppd-install=no
internal-tag=3.20.5
restricted-build=no
ui-toolkit=qt5
qt3=no
qt4=no
qt5=yes
policy-kit=yes
lite-build=no
udev_sysfs_rules=no
hpcups-only-build=no
hpijs-only-build=no
apparmor_build=no
class-driver=no


Current contents of '/var/lib/hp/hplip.state' file:
Plugins are not installed. Could not access file: No such file or directory

Current contents of '~/.hplip/hplip.conf' file:
warning: Could not access file: No such file or directory
 <Package-name>        <Package-Desc>      <Required/Optional> <Min-Version> 
<Installed-Version> <Status>   <Comment>

-------------------------
| External Dependencies |
-------------------------

 error: cups          CUPS - Common Unix Printing System                        
   REQUIRED        1.1             -               INCOMPAT   'CUPS may not be 
installed or not running'
 gs                   GhostScript - PostScript and PDF language interpreter and 
previewer REQUIRED        7.05            9.52            OK         -
 error: xsane         xsane - Graphical scanner frontend for SANE               
   OPTIONAL        0.9             -               MISSING    'xsane needs to 
be installed'
 scanimage            scanimage - Shell scanning program                        
   OPTIONAL        1.0             1.0.31          OK         -
 dbus                 DBus - Message bus system                                 
   REQUIRED        -               1.12.20         OK         -
 policykit            PolicyKit - Administrative policy framework               
   OPTIONAL        -               0.105           OK         -
 network              network -wget                                             
   OPTIONAL        -               1.20.3          OK         -
 avahi-utils          avahi-utils                                               
   OPTIONAL        -               0.8             OK         -

------------------------
| General Dependencies |
------------------------

 libjpeg              libjpeg - JPEG library                                    
   REQUIRED        -               -               OK         -
 cups-devel           CUPS devel- Common Unix Printing System development files 
   REQUIRED        -               -               OK         -
 cups-image           CUPS image - CUPS image development files                 
   REQUIRED        -               -               OK         -
 libpthread           libpthread - POSIX threads library                        
   REQUIRED        -               b'2.32'         OK         -
 libusb               libusb - USB library                                      
   REQUIRED        -               1.0             OK         -
 sane                 SANE - Scanning library                                   
   REQUIRED        -               -               OK         -
 error: sane-devel    SANE - Scanning library development files                 
   REQUIRED        -               -               MISSING    'sane-devel needs 
to be installed'
 libnetsnmp-devel     libnetsnmp-devel - SNMP networking library development 
files REQUIRED        5.0.9           5.8             OK         -
 libcrypto            libcrypto - OpenSSL cryptographic library                 
   REQUIRED        -               1.1.1           OK         -
 python3X             Python 2.2 or greater - Python programming language       
   REQUIRED        2.2             3.8.6           OK         -
 python3-notify2      Python libnotify - Python bindings for the libnotify 
Desktop notifications OPTIONAL        -               -               OK        
 -
 error: python3-pyqt4-dbus PyQt 4 DBus - DBus Support for PyQt4                 
        OPTIONAL        4.0             -               MISSING    
'python3-pyqt4-dbus needs to be installed'
 error: python3-pyqt4 PyQt 4- Qt interface for Python (for Qt version 4.x)      
   REQUIRED        4.0             -               MISSING    'python3-pyqt4 
needs to be installed'
 python3-dbus         Python DBus - Python bindings for DBus                    
   REQUIRED        0.80.0          1.2.16          OK         -
 python3-xml          Python XML libraries                                      
   REQUIRED        -               2.2.9           OK         -
 python3-devel        Python devel - Python development files                   
   REQUIRED        2.2             3.8.6           OK         -
 python3-pil          PIL - Python Imaging Library (required for commandline 
scanning with hp-scan) OPTIONAL        -               7.2.0           OK       
  -
 python3-reportlab    Reportlab - PDF library for Python                        
   OPTIONAL        2.0             3.5.47          OK         -

--------------
| COMPILEDEP |
--------------

 libtool              libtool - Library building support services               
   REQUIRED        -               2.4.6           OK         -
 gcc                  gcc - GNU Project C and C++ Compiler                      
   REQUIRED        -               10.2.0          OK         -
 make                 make - GNU make utility to maintain groups of programs    
   REQUIRED        3.0             4.3             OK         -

---------------------
| Python Extentions |
---------------------

 cupsext              CUPS-Extension                                            
   REQUIRED        -               3.20.5          OK         -
 hpmudext             IO-Extension                                              
   REQUIRED        -               3.20.5          OK         -

----------------------
| Scan Configuration |
----------------------

'/etc/sane.d/dll.d/hpaio' not found.
 hpaio                HPLIP-SANE-Backend                                        
   REQUIRED        -               3.20.5          OK         'hpaio found in 
/etc/sane.d/dll.conf'
 scanext              Scan-SANE-Extension                                       
   REQUIRED        -               3.20.5          OK         -

------------------------------
| DISCOVERED SCANNER DEVICES |
------------------------------

No Scanner found.

--------------------------
| DISCOVERED USB DEVICES |
--------------------------

  Device URI                                                Model               
                                    
  --------------------------------------------------------  
--------------------------------------------------------
  hp:/usb/Officejet_Pro_6230?serial=TH51S4B04F              HP Officejet Pro 
6230                                   

---------------------------------
| INSTALLED CUPS PRINTER QUEUES |
---------------------------------

 
HP_Officejet_Pro_6230_3F9378_USB_
---------------------------------
Type: Unknown
Device URI: implicitclass://HP_Officejet_Pro_6230_3F9378_USB_/
PPD: /etc/cups/ppd/HP_Officejet_Pro_6230_3F9378_USB_.ppd
PPD Description: HP Officejet Pro 6230, driverless, cups-filters 1.28.5
Printer No suitable destination host found by cups-browsed.s idle.  enabled 
since sob, 8 maj 2021, 16:12:37
warning: Printer is not HPLIP installed. Printers must use the hp: or hpfax: 
CUPS backend for HP-Devices.

Officejet_Pro_6230
------------------
Type: Printer
Device URI: hp:/usb/Officejet_Pro_6230?serial=TH51S4B04F
PPD: /etc/cups/ppd/Officejet_Pro_6230.ppd
PPD Description: HP Officejet Pro 6230, hpcups 3.20.5
Printer Processing page 1...cejet_Pro_6230 now printing Officejet_Pro_6230-128. 
 enabled since sob, 8 maj 2021, 16:14:40
error: Device busy: hp:/usb/Officejet_Pro_6230?serial=TH51S4B04F
error: Device not found
error: Communication status: Failed


--------------
| PERMISSION |
--------------

USB             Officejet_Pro_6230             Required        -        -       
 OK       Node:'/dev/bus/usb/003/005' Perm:'  root  lp rw- rw- rw- rw- rw- r--'
 
-----------
| SUMMARY |
-----------

Missing Required Dependencies
-----------------------------
error: 'libcups2' package is missing/incompatible 
error: 'libsane-dev' package is missing/incompatible 

Missing Optional Dependencies
-----------------------------
error: 'gtk2-engines-pixbuf' package is missing/incompatible 
error: 'xsane' package is missing/incompatible 

Total Errors: 6
Total Warnings: 2


Done.


I have tried :

apt-cache policy libcups2
libcups2:
  Zainstalowana: 2.3.3-3ubuntu1
  KandydujÄ…ca:   2.3.3-3ubuntu1
  Tabela wersji:
 *** 2.3.3-3ubuntu1 500
        500 http://pl.archive.ubuntu.com/ubuntu groovy/main amd64 Packages
        100 /var/lib/dpkg/status


also : 

hp-check -t
Saving output in log file: /home/a/hp-check.log

HP Linux Imaging and Printing System (ver. 3.20.5)
Dependency/Version Check Utility ver. 15.1

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.

Note: hp-check can be run in three modes:
1. Compile-time check mode (-c or --compile): Use this mode before compiling 
the HPLIP supplied tarball (.tar.gz or .run) to determine if the proper 
dependencies are installed to successfully compile HPLIP.                       
                                                     
2. Run-time check mode (-r or --run): Use this mode to determine if a distro 
supplied package (.deb, .rpm, etc) or an already built HPLIP supplied tarball 
has the proper dependencies installed to successfully run.                      
                                               
3. Both compile- and run-time check mode (-b or --both) (Default): This mode 
will check both of the above cases (both compile- and run-time dependencies).   
                                                                                
                                             

Check types:                                                                    
                                                                                
                                                                                
                                          
a. EXTERNALDEP - External Dependencies                                          
                                                                                
                                                                                
                                          
b. GENERALDEP - General Dependencies (required both at compile and run time)    
                                                                                
                                                                                
                                          
c. COMPILEDEP - Compile time Dependencies                                       
                                                                                
                                                                                
                                          
d. [All are run-time checks]                                                    
                                                                                
                                                                                
                                          
PYEXT SCANCONF QUEUES PERMISSION                                                
                                                                                
                                                                                
                                          

Status Types:
    OK
    MISSING       - Missing Dependency or Permission or Plug-in
    INCOMPAT      - Incompatible dependency-version or Plugin-version

warning: ubuntu-20.10 version is not supported. Using ubuntu-20.04
versions dependencies to verify and install...

---------------
| SYSTEM INFO |
---------------

 Kernel: 5.8.0-50-generic #56-Ubuntu SMP Mon Apr 12 17:18:36 UTC 2021 GNU/Linux
 Host: zalman
 Proc: 5.8.0-50-generic #56-Ubuntu SMP Mon Apr 12 17:18:36 UTC 2021 GNU/Linux
 Distribution: ubuntu 20.10
 Bitness: 64 bit


-----------------------
| HPLIP CONFIGURATION |
-----------------------

HPLIP-Version: HPLIP 3.20.5
HPLIP-Home: /usr/share/hplip
warning: HPLIP-Installation: Auto installation is not supported for ubuntu 
distro  20.10 version 

Current contents of '/etc/hp/hplip.conf' file:
# hplip.conf.  Generated from hplip.conf.in by configure.

[hplip]
version=3.20.5

[dirs]
home=/usr/share/hplip
run=/var/run
ppd=/usr/share/ppd/hplip/HP
ppdbase=/usr/share/ppd/hplip
doc=/usr/share/doc/hplip
html=/usr/share/doc/hplip-doc
icon=no
cupsbackend=/usr/lib/cups/backend
cupsfilter=/usr/lib/cups/filter
drv=/usr/share/cups/drv
bin=/usr/bin
apparmor=/etc/apparmor.d
# Following values are determined at configure time and cannot be changed.
[configure]
network-build=yes
libusb01-build=no
pp-build=no
gui-build=yes
scanner-build=yes
fax-build=yes
dbus-build=yes
cups11-build=no
doc-build=yes
shadow-build=no
hpijs-install=yes
foomatic-drv-install=yes
foomatic-ppd-install=no
foomatic-rip-hplip-install=no
hpcups-install=yes
cups-drv-install=yes
cups-ppd-install=no
internal-tag=3.20.5
restricted-build=no
ui-toolkit=qt5
qt3=no
qt4=no
qt5=yes
policy-kit=yes
lite-build=no
udev_sysfs_rules=no
hpcups-only-build=no
hpijs-only-build=no
apparmor_build=no
class-driver=no


Current contents of '/var/lib/hp/hplip.state' file:
Plugins are not installed. Could not access file: No such file or directory

Current contents of '~/.hplip/hplip.conf' file:
[installation]
date_time = 05/08/21 17:36:43
version = 3.20.5


 <Package-name>        <Package-Desc>      <Required/Optional> <Min-Version> 
<Installed-Version> <Status>   <Comment>

-------------------------
| External Dependencies |
-------------------------

 error: cups          CUPS - Common Unix Printing System                        
   REQUIRED        1.1             -               INCOMPAT   'CUPS may not be 
installed or not running'
 gs                   GhostScript - PostScript and PDF language interpreter and 
previewer REQUIRED        7.05            9.52            OK         -
 error: xsane         xsane - Graphical scanner frontend for SANE               
   OPTIONAL        0.9             -               MISSING    'xsane needs to 
be installed'
 scanimage            scanimage - Shell scanning program                        
   OPTIONAL        1.0             1.0.31          OK         -
 dbus                 DBus - Message bus system                                 
   REQUIRED        -               1.12.20         OK         -
 policykit            PolicyKit - Administrative policy framework               
   OPTIONAL        -               0.105           OK         -
 network              network -wget                                             
   OPTIONAL        -               1.20.3          OK         -
 avahi-utils          avahi-utils                                               
   OPTIONAL        -               0.8             OK         -

------------------------
| General Dependencies |
------------------------

 libjpeg              libjpeg - JPEG library                                    
   REQUIRED        -               -               OK         -
 cups-devel           CUPS devel- Common Unix Printing System development files 
   REQUIRED        -               -               OK         -
 cups-image           CUPS image - CUPS image development files                 
   REQUIRED        -               -               OK         -
 libpthread           libpthread - POSIX threads library                        
   REQUIRED        -               b'2.32'         OK         -
 libusb               libusb - USB library                                      
   REQUIRED        -               1.0             OK         -
 sane                 SANE - Scanning library                                   
   REQUIRED        -               -               OK         -
 error: sane-devel    SANE - Scanning library development files                 
   REQUIRED        -               -               MISSING    'sane-devel needs 
to be installed'
 libnetsnmp-devel     libnetsnmp-devel - SNMP networking library development 
files REQUIRED        5.0.9           5.8             OK         -
 libcrypto            libcrypto - OpenSSL cryptographic library                 
   REQUIRED        -               1.1.1           OK         -
 python3X             Python 2.2 or greater - Python programming language       
   REQUIRED        2.2             3.8.6           OK         -
 python3-notify2      Python libnotify - Python bindings for the libnotify 
Desktop notifications OPTIONAL        -               -               OK        
 -
 error: python3-pyqt4-dbus PyQt 4 DBus - DBus Support for PyQt4                 
        OPTIONAL        4.0             -               MISSING    
'python3-pyqt4-dbus needs to be installed'
 error: python3-pyqt4 PyQt 4- Qt interface for Python (for Qt version 4.x)      
   REQUIRED        4.0             -               MISSING    'python3-pyqt4 
needs to be installed'
 python3-dbus         Python DBus - Python bindings for DBus                    
   REQUIRED        0.80.0          1.2.16          OK         -
 python3-xml          Python XML libraries                                      
   REQUIRED        -               2.2.9           OK         -
 python3-devel        Python devel - Python development files                   
   REQUIRED        2.2             3.8.6           OK         -
 python3-pil          PIL - Python Imaging Library (required for commandline 
scanning with hp-scan) OPTIONAL        -               7.2.0           OK       
  -
 python3-reportlab    Reportlab - PDF library for Python                        
   OPTIONAL        2.0             3.5.47          OK         -

--------------
| COMPILEDEP |
--------------

 libtool              libtool - Library building support services               
   REQUIRED        -               2.4.6           OK         -
 gcc                  gcc - GNU Project C and C++ Compiler                      
   REQUIRED        -               10.2.0          OK         -
 make                 make - GNU make utility to maintain groups of programs    
   REQUIRED        3.0             4.3             OK         -

---------------------
| Python Extentions |
---------------------

 cupsext              CUPS-Extension                                            
   REQUIRED        -               3.20.5          OK         -
 hpmudext             IO-Extension                                              
   REQUIRED        -               3.20.5          OK         -

----------------------
| Scan Configuration |
----------------------

'/etc/sane.d/dll.d/hpaio' not found.
 hpaio                HPLIP-SANE-Backend                                        
   REQUIRED        -               3.20.5          OK         'hpaio found in 
/etc/sane.d/dll.conf'
 scanext              Scan-SANE-Extension                                       
   REQUIRED        -               3.20.5          OK         -

------------------------------
| DISCOVERED SCANNER DEVICES |
------------------------------

No Scanner found.

--------------------------
| DISCOVERED USB DEVICES |
--------------------------

  Device URI                                                Model               
                                    
  --------------------------------------------------------  
--------------------------------------------------------
  hp:/usb/Officejet_Pro_6230?serial=TH51S4B04F              HP Officejet Pro 
6230                                   

---------------------------------
| INSTALLED CUPS PRINTER QUEUES |
---------------------------------

 
HP_Officejet_Pro_6230_3F9378_USB_
---------------------------------
Type: Unknown
Device URI: implicitclass://HP_Officejet_Pro_6230_3F9378_USB_/
PPD: /etc/cups/ppd/HP_Officejet_Pro_6230_3F9378_USB_.ppd
warning: Failed to read /etc/cups/ppd/HP_Officejet_Pro_6230_3F9378_USB_.ppd ppd 
file
PPD Description: 
Printer No suitable destination host found by cups-browsed.s idle.  enabled 
since sob, 8 maj 2021, 16:12:37
warning: Printer is not HPLIP installed. Printers must use the hp: or hpfax: 
CUPS backend for HP-Devices.

Officejet_Pro_6230
------------------
Type: Printer
Device URI: hp:/usb/Officejet_Pro_6230?serial=TH51S4B04F
PPD: /etc/cups/ppd/Officejet_Pro_6230.ppd
warning: Failed to read /etc/cups/ppd/Officejet_Pro_6230.ppd ppd file
PPD Description: 
Printer Processing page 1...cejet_Pro_6230 now printing Officejet_Pro_6230-128. 
 enabled since sob, 8 maj 2021, 16:14:40
error: Device busy: hp:/usb/Officejet_Pro_6230?serial=TH51S4B04F
error: Device not found
error: Communication status: Failed


--------------
| PERMISSION |
--------------

USB             Officejet_Pro_6230             Required        -        -       
 OK       Node:'/dev/bus/usb/003/005' Perm:'  root  lp rw- rw- rw- rw- rw- r--'
 
-----------
| SUMMARY |
-----------

Missing Required Dependencies
-----------------------------
error: 'libcups2' package is missing/incompatible 
error: 'libsane-dev' package is missing/incompatible 

Missing Optional Dependencies
-----------------------------
error: 'gtk2-engines-pixbuf' package is missing/incompatible 
error: 'xsane' package is missing/incompatible 

Total Errors: 6
Total Warnings: 1


Done.


--------
The problem : printer do not print ( I have 3 printers installed , none works)
Screenshot included

** Affects: hplip (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "screenshot"
   https://bugs.launchpad.net/bugs/1927829/+attachment/5495732/+files/hp.png

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to hplip in Ubuntu.
https://bugs.launchpad.net/bugs/1927829

Title:
  hp officejet pro 6230 not printing

Status in hplip package in Ubuntu:
  New

Bug description:
  Hi,

  I have :

  sudo hp-setup

  HP Linux Imaging and Printing System (ver. 3.20.5)
  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.

  QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
  Searching... (bus=usb, search=(None), desc=0)
  Exiting the setup...

  Done.


  and :

  sudo hp-check -r
  Saving output in log file: /home/a/hp-check.log

  HP Linux Imaging and Printing System (ver. 3.20.5)
  Dependency/Version Check Utility ver. 15.1

  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.

  Note: hp-check can be run in three modes:
  1. Compile-time check mode (-c or --compile): Use this mode before compiling 
the HPLIP supplied tarball (.tar.gz or .run) to determine if the proper 
dependencies are installed to successfully compile HPLIP.                       
                                                     
  2. Run-time check mode (-r or --run): Use this mode to determine if a distro 
supplied package (.deb, .rpm, etc) or an already built HPLIP supplied tarball 
has the proper dependencies installed to successfully run.                      
                                               
  3. Both compile- and run-time check mode (-b or --both) (Default): This mode 
will check both of the above cases (both compile- and run-time dependencies).   
                                                                                
                                             

  Check types:                                                                  
                                                                                
                                                                                
                                            
  a. EXTERNALDEP - External Dependencies                                        
                                                                                
                                                                                
                                            
  b. GENERALDEP - General Dependencies (required both at compile and run time)  
                                                                                
                                                                                
                                            
  c. COMPILEDEP - Compile time Dependencies                                     
                                                                                
                                                                                
                                            
  d. [All are run-time checks]                                                  
                                                                                
                                                                                
                                            
  PYEXT SCANCONF QUEUES PERMISSION                                              
                                                                                
                                                                                
                                            

  Status Types:
      OK
      MISSING       - Missing Dependency or Permission or Plug-in
      INCOMPAT      - Incompatible dependency-version or Plugin-version

  warning: ubuntu-20.10 version is not supported. Using ubuntu-20.04
  versions dependencies to verify and install...

  ---------------
  | SYSTEM INFO |
  ---------------

   Kernel: 5.8.0-50-generic #56-Ubuntu SMP Mon Apr 12 17:18:36 UTC 2021 
GNU/Linux
   Host: zalman
   Proc: 5.8.0-50-generic #56-Ubuntu SMP Mon Apr 12 17:18:36 UTC 2021 GNU/Linux
   Distribution: ubuntu 20.10
   Bitness: 64 bit

  
  -----------------------
  | HPLIP CONFIGURATION |
  -----------------------

  HPLIP-Version: HPLIP 3.20.5
  HPLIP-Home: /usr/share/hplip
  warning: HPLIP-Installation: Auto installation is not supported for ubuntu 
distro  20.10 version 

  Current contents of '/etc/hp/hplip.conf' file:
  # hplip.conf.  Generated from hplip.conf.in by configure.

  [hplip]
  version=3.20.5

  [dirs]
  home=/usr/share/hplip
  run=/var/run
  ppd=/usr/share/ppd/hplip/HP
  ppdbase=/usr/share/ppd/hplip
  doc=/usr/share/doc/hplip
  html=/usr/share/doc/hplip-doc
  icon=no
  cupsbackend=/usr/lib/cups/backend
  cupsfilter=/usr/lib/cups/filter
  drv=/usr/share/cups/drv
  bin=/usr/bin
  apparmor=/etc/apparmor.d
  # Following values are determined at configure time and cannot be changed.
  [configure]
  network-build=yes
  libusb01-build=no
  pp-build=no
  gui-build=yes
  scanner-build=yes
  fax-build=yes
  dbus-build=yes
  cups11-build=no
  doc-build=yes
  shadow-build=no
  hpijs-install=yes
  foomatic-drv-install=yes
  foomatic-ppd-install=no
  foomatic-rip-hplip-install=no
  hpcups-install=yes
  cups-drv-install=yes
  cups-ppd-install=no
  internal-tag=3.20.5
  restricted-build=no
  ui-toolkit=qt5
  qt3=no
  qt4=no
  qt5=yes
  policy-kit=yes
  lite-build=no
  udev_sysfs_rules=no
  hpcups-only-build=no
  hpijs-only-build=no
  apparmor_build=no
  class-driver=no

  
  Current contents of '/var/lib/hp/hplip.state' file:
  Plugins are not installed. Could not access file: No such file or directory

  Current contents of '~/.hplip/hplip.conf' file:
  warning: Could not access file: No such file or directory
   <Package-name>        <Package-Desc>      <Required/Optional> <Min-Version> 
<Installed-Version> <Status>   <Comment>

  -------------------------
  | External Dependencies |
  -------------------------

   error: cups          CUPS - Common Unix Printing System                      
     REQUIRED        1.1             -               INCOMPAT   'CUPS may not 
be installed or not running'
   gs                   GhostScript - PostScript and PDF language interpreter 
and previewer REQUIRED        7.05            9.52            OK         -
   error: xsane         xsane - Graphical scanner frontend for SANE             
     OPTIONAL        0.9             -               MISSING    'xsane needs to 
be installed'
   scanimage            scanimage - Shell scanning program                      
     OPTIONAL        1.0             1.0.31          OK         -
   dbus                 DBus - Message bus system                               
     REQUIRED        -               1.12.20         OK         -
   policykit            PolicyKit - Administrative policy framework             
     OPTIONAL        -               0.105           OK         -
   network              network -wget                                           
     OPTIONAL        -               1.20.3          OK         -
   avahi-utils          avahi-utils                                             
     OPTIONAL        -               0.8             OK         -

  ------------------------
  | General Dependencies |
  ------------------------

   libjpeg              libjpeg - JPEG library                                  
     REQUIRED        -               -               OK         -
   cups-devel           CUPS devel- Common Unix Printing System development 
files    REQUIRED        -               -               OK         -
   cups-image           CUPS image - CUPS image development files               
     REQUIRED        -               -               OK         -
   libpthread           libpthread - POSIX threads library                      
     REQUIRED        -               b'2.32'         OK         -
   libusb               libusb - USB library                                    
     REQUIRED        -               1.0             OK         -
   sane                 SANE - Scanning library                                 
     REQUIRED        -               -               OK         -
   error: sane-devel    SANE - Scanning library development files               
     REQUIRED        -               -               MISSING    'sane-devel 
needs to be installed'
   libnetsnmp-devel     libnetsnmp-devel - SNMP networking library development 
files REQUIRED        5.0.9           5.8             OK         -
   libcrypto            libcrypto - OpenSSL cryptographic library               
     REQUIRED        -               1.1.1           OK         -
   python3X             Python 2.2 or greater - Python programming language     
     REQUIRED        2.2             3.8.6           OK         -
   python3-notify2      Python libnotify - Python bindings for the libnotify 
Desktop notifications OPTIONAL        -               -               OK        
 -
   error: python3-pyqt4-dbus PyQt 4 DBus - DBus Support for PyQt4               
          OPTIONAL        4.0             -               MISSING    
'python3-pyqt4-dbus needs to be installed'
   error: python3-pyqt4 PyQt 4- Qt interface for Python (for Qt version 4.x)    
     REQUIRED        4.0             -               MISSING    'python3-pyqt4 
needs to be installed'
   python3-dbus         Python DBus - Python bindings for DBus                  
     REQUIRED        0.80.0          1.2.16          OK         -
   python3-xml          Python XML libraries                                    
     REQUIRED        -               2.2.9           OK         -
   python3-devel        Python devel - Python development files                 
     REQUIRED        2.2             3.8.6           OK         -
   python3-pil          PIL - Python Imaging Library (required for commandline 
scanning with hp-scan) OPTIONAL        -               7.2.0           OK       
  -
   python3-reportlab    Reportlab - PDF library for Python                      
     OPTIONAL        2.0             3.5.47          OK         -

  --------------
  | COMPILEDEP |
  --------------

   libtool              libtool - Library building support services             
     REQUIRED        -               2.4.6           OK         -
   gcc                  gcc - GNU Project C and C++ Compiler                    
     REQUIRED        -               10.2.0          OK         -
   make                 make - GNU make utility to maintain groups of programs  
     REQUIRED        3.0             4.3             OK         -

  ---------------------
  | Python Extentions |
  ---------------------

   cupsext              CUPS-Extension                                          
     REQUIRED        -               3.20.5          OK         -
   hpmudext             IO-Extension                                            
     REQUIRED        -               3.20.5          OK         -

  ----------------------
  | Scan Configuration |
  ----------------------

  '/etc/sane.d/dll.d/hpaio' not found.
   hpaio                HPLIP-SANE-Backend                                      
     REQUIRED        -               3.20.5          OK         'hpaio found in 
/etc/sane.d/dll.conf'
   scanext              Scan-SANE-Extension                                     
     REQUIRED        -               3.20.5          OK         -

  ------------------------------
  | DISCOVERED SCANNER DEVICES |
  ------------------------------

  No Scanner found.

  --------------------------
  | DISCOVERED USB DEVICES |
  --------------------------

    Device URI                                                Model             
                                      
    --------------------------------------------------------  
--------------------------------------------------------
    hp:/usb/Officejet_Pro_6230?serial=TH51S4B04F              HP Officejet Pro 
6230                                   

  ---------------------------------
  | INSTALLED CUPS PRINTER QUEUES |
  ---------------------------------

   
  HP_Officejet_Pro_6230_3F9378_USB_
  ---------------------------------
  Type: Unknown
  Device URI: implicitclass://HP_Officejet_Pro_6230_3F9378_USB_/
  PPD: /etc/cups/ppd/HP_Officejet_Pro_6230_3F9378_USB_.ppd
  PPD Description: HP Officejet Pro 6230, driverless, cups-filters 1.28.5
  Printer No suitable destination host found by cups-browsed.s idle.  enabled 
since sob, 8 maj 2021, 16:12:37
  warning: Printer is not HPLIP installed. Printers must use the hp: or hpfax: 
CUPS backend for HP-Devices.

  Officejet_Pro_6230
  ------------------
  Type: Printer
  Device URI: hp:/usb/Officejet_Pro_6230?serial=TH51S4B04F
  PPD: /etc/cups/ppd/Officejet_Pro_6230.ppd
  PPD Description: HP Officejet Pro 6230, hpcups 3.20.5
  Printer Processing page 1...cejet_Pro_6230 now printing 
Officejet_Pro_6230-128.  enabled since sob, 8 maj 2021, 16:14:40
  error: Device busy: hp:/usb/Officejet_Pro_6230?serial=TH51S4B04F
  error: Device not found
  error: Communication status: Failed

  
  --------------
  | PERMISSION |
  --------------

  USB             Officejet_Pro_6230             Required        -        -     
   OK       Node:'/dev/bus/usb/003/005' Perm:'  root  lp rw- rw- rw- rw- rw- 
r--'
   
  -----------
  | SUMMARY |
  -----------

  Missing Required Dependencies
  -----------------------------
  error: 'libcups2' package is missing/incompatible 
  error: 'libsane-dev' package is missing/incompatible 

  Missing Optional Dependencies
  -----------------------------
  error: 'gtk2-engines-pixbuf' package is missing/incompatible 
  error: 'xsane' package is missing/incompatible 

  Total Errors: 6
  Total Warnings: 2

  
  Done.

  
  I have tried :

  apt-cache policy libcups2
  libcups2:
    Zainstalowana: 2.3.3-3ubuntu1
    KandydujÄ…ca:   2.3.3-3ubuntu1
    Tabela wersji:
   *** 2.3.3-3ubuntu1 500
          500 http://pl.archive.ubuntu.com/ubuntu groovy/main amd64 Packages
          100 /var/lib/dpkg/status

  
  also : 

  hp-check -t
  Saving output in log file: /home/a/hp-check.log

  HP Linux Imaging and Printing System (ver. 3.20.5)
  Dependency/Version Check Utility ver. 15.1

  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.

  Note: hp-check can be run in three modes:
  1. Compile-time check mode (-c or --compile): Use this mode before compiling 
the HPLIP supplied tarball (.tar.gz or .run) to determine if the proper 
dependencies are installed to successfully compile HPLIP.                       
                                                     
  2. Run-time check mode (-r or --run): Use this mode to determine if a distro 
supplied package (.deb, .rpm, etc) or an already built HPLIP supplied tarball 
has the proper dependencies installed to successfully run.                      
                                               
  3. Both compile- and run-time check mode (-b or --both) (Default): This mode 
will check both of the above cases (both compile- and run-time dependencies).   
                                                                                
                                             

  Check types:                                                                  
                                                                                
                                                                                
                                            
  a. EXTERNALDEP - External Dependencies                                        
                                                                                
                                                                                
                                            
  b. GENERALDEP - General Dependencies (required both at compile and run time)  
                                                                                
                                                                                
                                            
  c. COMPILEDEP - Compile time Dependencies                                     
                                                                                
                                                                                
                                            
  d. [All are run-time checks]                                                  
                                                                                
                                                                                
                                            
  PYEXT SCANCONF QUEUES PERMISSION                                              
                                                                                
                                                                                
                                            

  Status Types:
      OK
      MISSING       - Missing Dependency or Permission or Plug-in
      INCOMPAT      - Incompatible dependency-version or Plugin-version

  warning: ubuntu-20.10 version is not supported. Using ubuntu-20.04
  versions dependencies to verify and install...

  ---------------
  | SYSTEM INFO |
  ---------------

   Kernel: 5.8.0-50-generic #56-Ubuntu SMP Mon Apr 12 17:18:36 UTC 2021 
GNU/Linux
   Host: zalman
   Proc: 5.8.0-50-generic #56-Ubuntu SMP Mon Apr 12 17:18:36 UTC 2021 GNU/Linux
   Distribution: ubuntu 20.10
   Bitness: 64 bit

  
  -----------------------
  | HPLIP CONFIGURATION |
  -----------------------

  HPLIP-Version: HPLIP 3.20.5
  HPLIP-Home: /usr/share/hplip
  warning: HPLIP-Installation: Auto installation is not supported for ubuntu 
distro  20.10 version 

  Current contents of '/etc/hp/hplip.conf' file:
  # hplip.conf.  Generated from hplip.conf.in by configure.

  [hplip]
  version=3.20.5

  [dirs]
  home=/usr/share/hplip
  run=/var/run
  ppd=/usr/share/ppd/hplip/HP
  ppdbase=/usr/share/ppd/hplip
  doc=/usr/share/doc/hplip
  html=/usr/share/doc/hplip-doc
  icon=no
  cupsbackend=/usr/lib/cups/backend
  cupsfilter=/usr/lib/cups/filter
  drv=/usr/share/cups/drv
  bin=/usr/bin
  apparmor=/etc/apparmor.d
  # Following values are determined at configure time and cannot be changed.
  [configure]
  network-build=yes
  libusb01-build=no
  pp-build=no
  gui-build=yes
  scanner-build=yes
  fax-build=yes
  dbus-build=yes
  cups11-build=no
  doc-build=yes
  shadow-build=no
  hpijs-install=yes
  foomatic-drv-install=yes
  foomatic-ppd-install=no
  foomatic-rip-hplip-install=no
  hpcups-install=yes
  cups-drv-install=yes
  cups-ppd-install=no
  internal-tag=3.20.5
  restricted-build=no
  ui-toolkit=qt5
  qt3=no
  qt4=no
  qt5=yes
  policy-kit=yes
  lite-build=no
  udev_sysfs_rules=no
  hpcups-only-build=no
  hpijs-only-build=no
  apparmor_build=no
  class-driver=no

  
  Current contents of '/var/lib/hp/hplip.state' file:
  Plugins are not installed. Could not access file: No such file or directory

  Current contents of '~/.hplip/hplip.conf' file:
  [installation]
  date_time = 05/08/21 17:36:43
  version = 3.20.5

  
   <Package-name>        <Package-Desc>      <Required/Optional> <Min-Version> 
<Installed-Version> <Status>   <Comment>

  -------------------------
  | External Dependencies |
  -------------------------

   error: cups          CUPS - Common Unix Printing System                      
     REQUIRED        1.1             -               INCOMPAT   'CUPS may not 
be installed or not running'
   gs                   GhostScript - PostScript and PDF language interpreter 
and previewer REQUIRED        7.05            9.52            OK         -
   error: xsane         xsane - Graphical scanner frontend for SANE             
     OPTIONAL        0.9             -               MISSING    'xsane needs to 
be installed'
   scanimage            scanimage - Shell scanning program                      
     OPTIONAL        1.0             1.0.31          OK         -
   dbus                 DBus - Message bus system                               
     REQUIRED        -               1.12.20         OK         -
   policykit            PolicyKit - Administrative policy framework             
     OPTIONAL        -               0.105           OK         -
   network              network -wget                                           
     OPTIONAL        -               1.20.3          OK         -
   avahi-utils          avahi-utils                                             
     OPTIONAL        -               0.8             OK         -

  ------------------------
  | General Dependencies |
  ------------------------

   libjpeg              libjpeg - JPEG library                                  
     REQUIRED        -               -               OK         -
   cups-devel           CUPS devel- Common Unix Printing System development 
files    REQUIRED        -               -               OK         -
   cups-image           CUPS image - CUPS image development files               
     REQUIRED        -               -               OK         -
   libpthread           libpthread - POSIX threads library                      
     REQUIRED        -               b'2.32'         OK         -
   libusb               libusb - USB library                                    
     REQUIRED        -               1.0             OK         -
   sane                 SANE - Scanning library                                 
     REQUIRED        -               -               OK         -
   error: sane-devel    SANE - Scanning library development files               
     REQUIRED        -               -               MISSING    'sane-devel 
needs to be installed'
   libnetsnmp-devel     libnetsnmp-devel - SNMP networking library development 
files REQUIRED        5.0.9           5.8             OK         -
   libcrypto            libcrypto - OpenSSL cryptographic library               
     REQUIRED        -               1.1.1           OK         -
   python3X             Python 2.2 or greater - Python programming language     
     REQUIRED        2.2             3.8.6           OK         -
   python3-notify2      Python libnotify - Python bindings for the libnotify 
Desktop notifications OPTIONAL        -               -               OK        
 -
   error: python3-pyqt4-dbus PyQt 4 DBus - DBus Support for PyQt4               
          OPTIONAL        4.0             -               MISSING    
'python3-pyqt4-dbus needs to be installed'
   error: python3-pyqt4 PyQt 4- Qt interface for Python (for Qt version 4.x)    
     REQUIRED        4.0             -               MISSING    'python3-pyqt4 
needs to be installed'
   python3-dbus         Python DBus - Python bindings for DBus                  
     REQUIRED        0.80.0          1.2.16          OK         -
   python3-xml          Python XML libraries                                    
     REQUIRED        -               2.2.9           OK         -
   python3-devel        Python devel - Python development files                 
     REQUIRED        2.2             3.8.6           OK         -
   python3-pil          PIL - Python Imaging Library (required for commandline 
scanning with hp-scan) OPTIONAL        -               7.2.0           OK       
  -
   python3-reportlab    Reportlab - PDF library for Python                      
     OPTIONAL        2.0             3.5.47          OK         -

  --------------
  | COMPILEDEP |
  --------------

   libtool              libtool - Library building support services             
     REQUIRED        -               2.4.6           OK         -
   gcc                  gcc - GNU Project C and C++ Compiler                    
     REQUIRED        -               10.2.0          OK         -
   make                 make - GNU make utility to maintain groups of programs  
     REQUIRED        3.0             4.3             OK         -

  ---------------------
  | Python Extentions |
  ---------------------

   cupsext              CUPS-Extension                                          
     REQUIRED        -               3.20.5          OK         -
   hpmudext             IO-Extension                                            
     REQUIRED        -               3.20.5          OK         -

  ----------------------
  | Scan Configuration |
  ----------------------

  '/etc/sane.d/dll.d/hpaio' not found.
   hpaio                HPLIP-SANE-Backend                                      
     REQUIRED        -               3.20.5          OK         'hpaio found in 
/etc/sane.d/dll.conf'
   scanext              Scan-SANE-Extension                                     
     REQUIRED        -               3.20.5          OK         -

  ------------------------------
  | DISCOVERED SCANNER DEVICES |
  ------------------------------

  No Scanner found.

  --------------------------
  | DISCOVERED USB DEVICES |
  --------------------------

    Device URI                                                Model             
                                      
    --------------------------------------------------------  
--------------------------------------------------------
    hp:/usb/Officejet_Pro_6230?serial=TH51S4B04F              HP Officejet Pro 
6230                                   

  ---------------------------------
  | INSTALLED CUPS PRINTER QUEUES |
  ---------------------------------

   
  HP_Officejet_Pro_6230_3F9378_USB_
  ---------------------------------
  Type: Unknown
  Device URI: implicitclass://HP_Officejet_Pro_6230_3F9378_USB_/
  PPD: /etc/cups/ppd/HP_Officejet_Pro_6230_3F9378_USB_.ppd
  warning: Failed to read /etc/cups/ppd/HP_Officejet_Pro_6230_3F9378_USB_.ppd 
ppd file
  PPD Description: 
  Printer No suitable destination host found by cups-browsed.s idle.  enabled 
since sob, 8 maj 2021, 16:12:37
  warning: Printer is not HPLIP installed. Printers must use the hp: or hpfax: 
CUPS backend for HP-Devices.

  Officejet_Pro_6230
  ------------------
  Type: Printer
  Device URI: hp:/usb/Officejet_Pro_6230?serial=TH51S4B04F
  PPD: /etc/cups/ppd/Officejet_Pro_6230.ppd
  warning: Failed to read /etc/cups/ppd/Officejet_Pro_6230.ppd ppd file
  PPD Description: 
  Printer Processing page 1...cejet_Pro_6230 now printing 
Officejet_Pro_6230-128.  enabled since sob, 8 maj 2021, 16:14:40
  error: Device busy: hp:/usb/Officejet_Pro_6230?serial=TH51S4B04F
  error: Device not found
  error: Communication status: Failed

  
  --------------
  | PERMISSION |
  --------------

  USB             Officejet_Pro_6230             Required        -        -     
   OK       Node:'/dev/bus/usb/003/005' Perm:'  root  lp rw- rw- rw- rw- rw- 
r--'
   
  -----------
  | SUMMARY |
  -----------

  Missing Required Dependencies
  -----------------------------
  error: 'libcups2' package is missing/incompatible 
  error: 'libsane-dev' package is missing/incompatible 

  Missing Optional Dependencies
  -----------------------------
  error: 'gtk2-engines-pixbuf' package is missing/incompatible 
  error: 'xsane' package is missing/incompatible 

  Total Errors: 6
  Total Warnings: 1

  
  Done.

  
  --------
  The problem : printer do not print ( I have 3 printers installed , none works)
  Screenshot included

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