As we don't have this printer, can you please make following changes and test it again.
--> if "/usr/share/hplip/ui4/colorcaldialog.pyc" exists, please delete
--> Please copy attached "colorcaldialog.py" file to "/usr/share/hplip/ui4/" folder in root mode
--> Close hp-systray or reboot system
--> launch hp-toolbox
Hi Florent Mertens,
Thank you for providing the log files.
As we don't have this printer, can you please make following changes and test it again.
--> if "/usr/share/ hplip/ui4/ colorcaldialog. pyc" exists, please delete hplip/ui4/ " folder in root mode
--> Please copy attached "colorcaldialog.py" file to "/usr/share/
--> Close hp-systray or reboot system
--> launch hp-toolbox
Please let us know the result.
Thanks & Regards,
Amarnath