a printing data producing unit that produces {TAIL ~ printing data} corresponding to {HEAD ~ the image data}, 
a printing data producing unit that produces { TAIL ~ printing data } corresponding to { HEAD ~ the image data } ,
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH