My HP PCS 1610 combo scanner, printer, copier did not work until I added: # Hewlett-Packard PSC 1610 ATTRS{idVendor}=="03f0", ATTRS{idProduct}=="4811", MODE="0664", GROUP="scanner", ENV{libsane_matched}="yes" to my /etc/udev/rules.d/z60_libsane.rules Thank you, Samuel