al@al-desktop:~/Source/myapp$ lpstat -v device for Hewlett-Packard-LaserJet-4L: usb://HP/LaserJet%204L al@al-desktop:~/Source/myapp$ sudo /usr/lib/cups/backend/usb DEBUG: list_devices DEBUG: libusb_get_device_list=20 direct usb://HP/LaserJet%204L "HP LaserJet 4L" "HP LaserJet 4L" "MANUFACTURER:Hewlett-Packard;COMMAND SET:HP ENHANCED PCL5,PJL;MODEL:LaserJet 4L;" "" al@al-desktop:~/Source/myapp$ sudo /usr/lib/cups/backend/usb DEBUG: list_devices DEBUG: libusb_get_device_list=20 direct usb://HP/LaserJet%204L "HP LaserJet 4L" "HP LaserJet 4L" "MANUFACTURER:Hewlett-Packard;COMMAND SET:HP ENHANCED PCL5,PJL;MODEL:LaserJet 4L;" "" al@al-desktop:~/Source/myapp$ sudo /usr/lib/cups/backend/usb DEBUG: list_devices DEBUG: libusb_get_device_list=20 direct usb://HP/LaserJet%204L "HP LaserJet 4L" "HP LaserJet 4L" "MANUFACTURER:Hewlett-Packard;COMMAND SET:HP ENHANCED PCL5,PJL;MODEL:LaserJet 4L;" "" al@al-desktop:~/Source/myapp$ sudo /usr/lib/cups/backend/usb DEBUG: list_devices DEBUG: libusb_get_device_list=20 direct usb://HP/LaserJet%204L "HP LaserJet 4L" "HP LaserJet 4L" "MANUFACTURER:Hewlett-Packard;COMMAND SET:HP ENHANCED PCL5,PJL;MODEL:LaserJet 4L;" "" al@al-desktop:~/Source/myapp$ sudo /usr/lib/cups/backend/usb DEBUG: list_devices DEBUG: libusb_get_device_list=20 direct usb://HP/LaserJet%204L "HP LaserJet 4L" "HP LaserJet 4L" "MANUFACTURER:Hewlett-Packard;COMMAND SET:HP ENHANCED PCL5,PJL;MODEL:LaserJet 4L;" "" al@al-desktop:~/Source/myapp$ sudo /usr/lib/cups/backend/usb DEBUG: list_devices DEBUG: libusb_get_device_list=20 direct usb://Unknown/Printer "Unknown" "Unknown" "" ""
al@al-desktop: ~/Source/ myapp$ lpstat -v Packard- LaserJet- 4L: usb://HP/ LaserJet% 204L ~/Source/ myapp$ sudo /usr/lib/ cups/backend/ usb get_device_ list=20 LaserJet% 204L "HP LaserJet 4L" "HP LaserJet 4L" "MANUFACTURER: Hewlett- Packard; COMMAND SET:HP ENHANCED PCL5,PJL; MODEL:LaserJet 4L;" "" ~/Source/ myapp$ sudo /usr/lib/ cups/backend/ usb get_device_ list=20 LaserJet% 204L "HP LaserJet 4L" "HP LaserJet 4L" "MANUFACTURER: Hewlett- Packard; COMMAND SET:HP ENHANCED PCL5,PJL; MODEL:LaserJet 4L;" "" ~/Source/ myapp$ sudo /usr/lib/ cups/backend/ usb get_device_ list=20 LaserJet% 204L "HP LaserJet 4L" "HP LaserJet 4L" "MANUFACTURER: Hewlett- Packard; COMMAND SET:HP ENHANCED PCL5,PJL; MODEL:LaserJet 4L;" "" ~/Source/ myapp$ sudo /usr/lib/ cups/backend/ usb get_device_ list=20 LaserJet% 204L "HP LaserJet 4L" "HP LaserJet 4L" "MANUFACTURER: Hewlett- Packard; COMMAND SET:HP ENHANCED PCL5,PJL; MODEL:LaserJet 4L;" "" ~/Source/ myapp$ sudo /usr/lib/ cups/backend/ usb get_device_ list=20 LaserJet% 204L "HP LaserJet 4L" "HP LaserJet 4L" "MANUFACTURER: Hewlett- Packard; COMMAND SET:HP ENHANCED PCL5,PJL; MODEL:LaserJet 4L;" "" ~/Source/ myapp$ sudo /usr/lib/ cups/backend/ usb get_device_ list=20 Printer "Unknown" "Unknown" "" ""
device for Hewlett-
al@al-desktop:
DEBUG: list_devices
DEBUG: libusb_
direct usb://HP/
al@al-desktop:
DEBUG: list_devices
DEBUG: libusb_
direct usb://HP/
al@al-desktop:
DEBUG: list_devices
DEBUG: libusb_
direct usb://HP/
al@al-desktop:
DEBUG: list_devices
DEBUG: libusb_
direct usb://HP/
al@al-desktop:
DEBUG: list_devices
DEBUG: libusb_
direct usb://HP/
al@al-desktop:
DEBUG: list_devices
DEBUG: libusb_
direct usb://Unknown/