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