and it seems to be in precise as well.
$ grep 341 /etc/sane.d/xerox_mfp.conf usb 0x04e8 0x341b usb 0x04e8 0x341f
and it seems to be in precise as well.
$ grep 341 /etc/sane. d/xerox_ mfp.conf
usb 0x04e8 0x341b
usb 0x04e8 0x341f