Comment 107 for bug 420015

They are still in /lib/udev/rules.d/50-udev-default.rules, where they are supposed to be:

# hplip and cups 1.4+ use raw USB devices, so permissions should be similar to
# the ones from the old usblp kernel module
SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", ENV{ID_USB_INTERFACES}=="", IMPORT{program}="usb_id --export %p"
SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", ENV{ID_USB_INTERFACES}==":0701*:", GROUP="lp", MODE="660"