A scanner 3, wherein {TAIL ~ said fixing member} comprises a boss having {HEAD ~ a screw hole} 
A scanner 3 , wherein { TAIL ~ said fixing member } comprises a boss having { HEAD ~ a screw hole }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD