发明授权
US07997672B2 Inkjet recording apparatus 有权
喷墨记录装置

Inkjet recording apparatus
摘要:
An inkjet recording apparatus includes a waveform outputting circuit and a current restricting circuit. The waveform outputting circuit outputs to each individual electrode one of ejection signals and a flushing signal, which does not cause any nozzle to eject ink droplets, selected in order in each printing cycle. The current restricting circuit restricts the value of a current to flow from a power supply unit into the waveform outputting circuit, to a value not more than an upper limit current value. The upper limit current value exceeds the value of the current to flow into the waveform outputting circuit when the waveform outputting circuit outputs to all individual electrodes an ejection signal corresponding to the largest amount of ink to eject. The upper limit current value is less than the value of the current to flow into the waveform outputting circuit when the waveform outputting circuit outputs the flushing signal to all individual electrodes.
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