Dot printer control system

Details Dot printer control system Dot printer control system

1983-12-12

1985-11-19

Sewell, Paul T.

Typewriting machines

Carriage or carriage-moving or movement-regulating mechanism

Carriage-feed mechanism

400 54, 400121, 400322, B41J 1930, B41J 1950

Patent

active

045538670

ABSTRACT:
A dot printer comprising a power system for supplying power to a load; a setting circuit for setting a reference voltage value corresponding to a predetermined output current value within a range not in excess of a maximum rated output current of the power system; a detecting circuit for detecting an output value of the power system and for providing a voltage value corresponding to the output value; and a control circuit for comparing the voltage value provided by the detecting circuit with the reference voltage value of the setting circuit and controlling a printing operation to change the reciprocating printing by the print head from a bidirectional printing to a unidirectional printing when the voltage value provided by the detecting circuit is greater or smaller than the reference voltage value of the setting circuit.

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