[Hplip-help] No installed HP Device found, psc 1410

Hallo, The graphical program "hp-toolbox" gives an error: toolbox Listening on localhost port 32802, No installed HP Device found: But lpstat -t show that it is installed: lpstat -t|grep pscplip system default destination: pscplip device for pscplip: usb://HP/PSC%201400%20series?serial=CN639DC0M4

[Hplip-help] No installed HP Device found, psc 1410

Hallo, the graphical program "hp-toolbox" gives an error: toolbox Listening on localhost port 32802, No installed HP Device found: But lpstat -t show that it is installed: >>> lpstat -t|grep pscplip system default destination: pscplip device for pscplip: usb://HP/PSC%201400%20series?serial=CN639D