Toch maar even een apart draadje opgestart voor dit probleem.
Het installatieproces is klaar maar nog niet echt helemaal denk ik. Ik kan nog steeds alleen in grijs/zwart printen en niet in kleur (indien gewenst).

Dus graag hulp dat te regelen.
harry@harry-desktop:~$ cd Downloads
harry@harry-desktop:~/Downloads$ sh hplip-3.20.3.run
Creating directory hplip-3.20.3
Verifying archive integrity... All good.
Uncompressing HPLIP 3.20.3 Self Extracting Archive...etc.
HP Linux Imaging and Printing System (ver. 3.20.3)
HPLIP Installer ver. 5.1
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.
Installer log saved in: hplip-install_Sat-25-Apr-2020_19:10:06.log
\
note: Defaults for each question are maked with a '*'. Press <enter> to accept the default.
INSTALLATION MODE
-----------------
Automatic mode will install the full HPLIP solution with the most common options.
Custom mode allows you to choose installation options to fit specific requirements.
Please choose the installation mode (a=automatic*, c=custom, q=quit) : a
INTRODUCTION
------------
This installer will install HPLIP version 3.20.3 on your computer.
Please close any running package management systems now (YaST, Adept, Synaptic, Up2date, etc).
DISTRO/OS CONFIRMATION
----------------------
Distro appears to be Ubuntu 18.04.
Is "Ubuntu 18.04" your correct distro/OS and version (y=yes*, n=no, q=quit) ? y
Initializing. Please wait...
ENTER USER PASSWORD
-------------------
Please enter the sudoer (harry)'s password:
INSTALLATION NOTES
------------------
Enable the universe/multiverse repositories. Also be sure you are using the Ubuntu "Main" Repositories. See: https://help.ubuntu.com/community/Repositories/Ubuntu for more information. Disable the CD-ROM/DVD source if you do not have the Ubuntu installation media inserted in the drive.
Please read the installation notes. Press <enter> to continue or 'q' to quit:
SECURITY PACKAGES
-----------------
AppArmor is installed.
AppArmor protects the application from external intrusion attempts making the application secure
Would you like to have this installer install the hplip specific policy/profile (y=yes*, n=no, q=quit) ? y
RUNNING PRE-INSTALL COMMANDS
----------------------------
OK
CHECKING FOR NETWORK CONNECTION
-------------------------------
Network connection present.
RUNNING PRE-PACKAGE COMMANDS
----------------------------
sudo dpkg --configure -a (Pre-depend step 1)
sudo apt-get install --yes --force-yes -f (Pre-depend step 2)
sudo apt-get update (Pre-depend step 3)
OK
DEPENDENCY AND CONFLICT RESOLUTION
----------------------------------
HPLIP-3.17.10 exists, this may conflict with the new one being installed.
Do you want to ('i'= Remove and Install*, 'q'= Quit)? :i
Starting uninstallation...
HPLIP uninstallation is completed
RUNNING POST-PACKAGE COMMANDS
-----------------------------
OK
RE-CHECKING DEPENDENCIES
------------------------
OK
RUNNING SCANJET DEPENDENCY COMMANDS
-----------------------------------
sudo apt-get install --assume-yes python-pip (Scanjet-depend step 1)
sudo pip2 install --upgrade pip (Scanjet-depend step 2)
sudo apt-get install --assume-yes libleptonica-dev (Scanjet-depend step 3)
sudo apt-get install --assume-yes tesseract-ocr (Scanjet-depend step 4)
sudo apt-get install --assume-yes libtesseract-dev (Scanjet-depend step 5)
sudo -H pip2 install tesserocr (Scanjet-depend step 6)
sudo apt-get install --assume-yes tesseract-ocr-all (Scanjet-depend step 7)
sudo apt-get install --assume-yes libzbar-dev (Scanjet-depend step 8)
sudo apt-get install --assume-yes python-zbar (Scanjet-depend step 9)
sudo -H pip2 install opencv-python (Scanjet-depend step 10)
sudo -H pip2 install PyPDF2 (Scanjet-depend step 11)
sudo -H pip2 install imutils (Scanjet-depend step 12)
sudo -H pip2 install pypdfocr (Scanjet-depend step 13)
sudo -H pip2 install scikit-image (Scanjet-depend step 14)
sudo -H pip2 install scipy (Scanjet-depend step 15)
OK
PRE-BUILD COMMANDS
------------------
OK
BUILD AND INSTALL
-----------------
Running './configure --with-hpppddir=/usr/share/ppd/HP --libdir=/usr/lib --prefix=/usr --enable-qt4 --disable-qt5 --enable-doc-build --disable-cups-ppd-install --disable-foomatic-drv-install --disable-libusb01_build --disable-foomatic-ppd-install --disable-hpijs-install --disable-class-driver --disable-udev_sysfs_rules --disable-policykit --enable-cups-drv-install --enable-hpcups-install --enable-network-build --enable-dbus-build --enable-scan-build --enable-fax-build --enable-apparmor_build'
Please wait, this may take several minutes...
Command completed successfully.
Running 'make clean'
Please wait, this may take several minutes...
Command completed successfully.
Running 'make'
Please wait, this may take several minutes...
Command completed successfully.
Running 'sudo make install'
Please wait, this may take several minutes...
Command completed successfully.
Build complete.
POST-BUILD COMMANDS
-------------------
CLOSE HP_SYSTRAY
----------------
Sending close message to hp-systray (if it is currently running)...
OK
HPLIP UPDATE NOTIFICATION
-------------------------
Do you want to check for HPLIP updates?. (y=yes*, n=no) : y
RESTART OR RE-PLUG IS REQUIRED
------------------------------
If you are installing a USB connected printer, and the printer was plugged in
when you started this installer, you will need to either restart your PC or
unplug and re-plug in your printer (USB cable only). If you choose to restart,
run this command after restarting: hp-setup (Note: If you are using a parallel
connection, you will have to restart your PC. If you are using network/wireless,
you can ignore and continue).
Restart or re-plug in your printer (r=restart, p=re-plug in*, i=ignore/continue, q=quit) : p
Please unplug and re-plugin your printer now. Press <enter> to continue or 'q' to quit:
PRINTER SETUP
-------------
Please make sure your printer is connected and powered on at this time.
Do you want to setup printer in GUI mode? (u=GUI mode*, i=Interactive mode) : u
HP Linux Imaging and Printing System (ver. 3.20.3)
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)
Done.
RE-STARTING HP_SYSTRAY
----------------------
HP Linux Imaging and Printing System (ver. 3.20.3)
System Tray Status Service ver. 2.0
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.
/usr/lib/python2.7/dist-packages/gtk-2.0/gtk/__init__.py:127: RuntimeWarning: PyOS_InputHook is not available for interactive use of PyGTK
set_interactive(1)
harry@harry-desktop:~/Downloads$
HP Linux Imaging and Printing System (ver. 3.20.3)
HP Device Manager ver. 15.0
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.
Heb ook geprobeerd via localhost:631 iets te ontdekken. In Administration-> Manage Printers vond ik instellingen van mijn printer o.a. ook dat ie op 'grayscale' staat. Ga ik op die pulldown staan, kan ik alleen kiezen tussen 'Inverted grayscale' en 'grayscale' (dus geen color).
En als ik Set Default klik, wil het mijn gegevens hebben om te accepteren maar die heb ik volgens mij niet?