In {HEAD ~ the line concentrator} of the present invention, print data is transmitted to {TAIL ~ all} of the image forming apparatuses being connected 
In { HEAD ~ the line concentrator } of the present invention , print data is transmitted to { TAIL ~ all } of the image forming apparatuses being connected
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH