A dot type printer of {HEAD ~ the type} using {TAIL ~ printing pins} or wires is improved by employing a driving system which includes a variable volume sealed container enclosing a pressure transmitting medium 
using
A dot type printer of { HEAD ~ the type } using { TAIL ~ printing pins } or wires is improved by employing a driving system which includes a variable volume sealed container enclosing a pressure transmitting medium
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH