Importance

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Abstract

A printing apparatus connected to a data processing device includes a printing section having a printing head, a detector for detecting the moving velocity of the printing head and a control circuit integrally incorporated therein. The control circuit serves to control the print driving pulse width and the drive timing of the printing head. If the printing section is manually moved to perform scanning on a paper sheet, the drive timing of the printing head is changed by the control circuit to correspond to the moving velocity of the printing head relative to the paper sheet so as to perform printing based on the printing data supplied from the data processing device. Every time a carriage return code or a line feed code is detected from among the printing data, the printing head is brought back to the print starting position on the left side, and the printing line is shifted by one line.

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First Claim