Hammer bank velocity during movement through a print span is sensed, and {TAIL ~ further kinetic energy} is supplied by the servo system as required to compensate for friction losses, {HEAD ~ braking effects} during printing, and other causes of variation in hammer bank speed 
Hammer bank velocity during movement through a print span is sensed , and { TAIL ~ further kinetic energy } is supplied by the servo system as required to compensate for friction losses , { HEAD ~ braking effects } during printing , and other causes of variation in hammer bank speed
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH