| 摘要 |
An ink jet printer uses a detector circuit for detecting the relation between the generation of an ink droplet and the phase of a charging signal on the basis of an output signal of a sensor against which the ink droplets charged by a phase detecting signal collide. A phase shift circuit is provided for matching the generation of the ink droplet and the phase of the charging signal on the basis of an output signal of the detector circuit, and an inhibit circuit is used for inhibiting the phase shift circuit from operating for a predetermined period after the phase shift circuit has operated.
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