Did you install your printer with the hp backend?
Printer maintenance with hp-toolbox only works with the hp backend.
Please attach your /etc/cups/printers.conf file.
How to install your printer with the hp backend is discribed here: https://help.ubuntu.com/community/HpPrinterInstallationAndMaintenanceDapper
Did you install your printer with the hp backend? printers. conf file. /help.ubuntu. com/community/ HpPrinterInstal lationAndMainte nanceDapper
Printer maintenance with hp-toolbox only works with the hp backend.
Please attach your /etc/cups/
How to install your printer with the hp backend is discribed here: https:/