For this purpose, {HEAD ~ the position control logic} controls not only the X position motor 48a but also controls {TAIL ~ a Y position motor 48b}, the two motors 48a, 48b controlling media positioning in the longitudinal and lateral directions, respectively 
controls
For this purpose , { HEAD ~ the position control logic } controls not only the X position motor 48a but also controls { TAIL ~ a Y position motor 48b } , the two motors 48a , 48b controlling media positioning in the longitudinal and lateral directions , respectively
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH