# Low-level USB device add trigger
ACTION=="add", SUBSYSTEM=="usb", ATTR{bInterfaceClass}=="07", ATTR{bInterfaceSubClass}=="01", RUN+="udev-configure-printer add %p"
# usblp device add trigger (needed when usblp is already loaded)
ACTION=="add", KERNEL=="lp*", RUN+="udev-configure-printer add %p"

# Low-level USB device remove trigger
ACTION=="remove", SUBSYSTEM=="usb", ENV{ID_USB_INTERFACES}=="*:0701*:*", RUN+="udev-configure-printer remove %p"