Importance

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Abstract

A printing device comprises a print head and a plurality of data carriers, the print head being able to print data on at least one of the plurality of data carriers; a motor for moving said print head along said data carriers; said print head being adapted to rest at one of a plurality of home positions when said print head is not in movement; said motor being reversible to change the direction of movement of said print head; a switch coupled to and controlled by said motor; said switch being controlled by said motor to assume a plurality of states, each of said states corresponding to the location the said print head at a particular one of said print head home positions; and a printing control unit for selecting which of said data carriers is to receive data printed thereon by said print head; said printing control unit being electrically coupled to said switch and to said motor; said printing control unit also acting in response to the state of said switch to select the direction of movement of said motor means and, consequently, that of said print head as well as the printing of data by said print head; whereby, said print head is moved from a previous home position to the particular one or more of said plurality of data carriers which are to receive data to be printed thereon by said print head thereby bypassing any intervening data carriers on which data is not intended to be printed thereon during a given cycle of said printing device, said motor coming to rest under control of said control unit at the conclusion of each cycle.

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First Claim