| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a liquid-discharge failure detecting apparatus capable of satisfactorily adjusting a light beam outputted from a light emitting element. <P>SOLUTION: In a liquid-discharge failure detecting apparatus, a light emitting element emits a light beam to a flying path of liquid droplets discharged from a nozzle; a light receiving element receives scattered light generated by a collision between the light beam and the flying liquid droplets; and waveform data are obtained according to variations in the light intensity of the scattered light (step S1). Next, the peak value of the waveform data is obtained (step S2). Then, the light beam outputted from the light emitting element is adjusted by using the peak value (steps S5 and S6). <P>COPYRIGHT: (C)2013,JPO&INPIT |
