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