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