{HEAD ~ The printing device} prints {TAIL ~ an image} by forming dots on the medium by the printing head 
{ HEAD ~ The printing device } prints { TAIL ~ an image } by forming dots on the medium by the printing head
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH