INITIAL POSITION SETTING OF CARRIER

摘要

PURPOSE:To enable the position of a carriage to be set correctly without depending on sensitivity by providing a pulse motor control means to control the position of a carriage based on a means to decide the speed of pulse motor. CONSTITUTION:The optimal speed (e.g. constant speed status when a carriage 7 operates to set space) at which a sensor 6 detects a carriage correctly is indicated by a pulse motor speed decision circuit 9 during the initialization action of the carriage 7. After this, a pulse motor for driving the carriage is controlled at the indicated speed through a pulse motor control circuit 10. Thus it is possible to initialize the carriage at a correct position without being influenced by the detection sensitivity of the sensor.