chris@localhost:~$ sudo hp-firmware
[sudo] password for chris:
HP Linux Imaging and Printing System (ver. 3.15.2)
Firmware Download Utility ver. 2.4
Copyright (c) 2001-15 Hewlett-Packard 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.
Using device: hp:/usb/HP_LaserJet_1020?serial=JL1F0DC
error: Unable to communicate with device (code=12): hp:/usb/HP_LaserJet_1020?serial=JL1F0DC
error: Unable to communicate with device or device is in an error state. Please check device setup and try again.
chris@localhost:~$ sudo hp-firmware
[sudo] password for chris:
HP Linux Imaging and Printing System (ver. 3.15.2)
Firmware Download Utility ver. 2.4
Copyright (c) 2001-15 Hewlett-Packard 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.
Using device: hp:/usb/ HP_LaserJet_ 1020?serial= JL1F0DC
error: Unable to communicate with device (code=12): hp:/usb/ HP_LaserJet_ 1020?serial= JL1F0DC
error: Unable to communicate with device or device is in an error state. Please check device setup and try again.