| 摘要 |
The present invention provides a method for optimising greyscale printing by designing the waveform pulses that are used to eject ink drops from a printhead as well as a printhead controller and a printer designed by the method. The pulse voltage, pulse width and pulse delay of each individual pulse of the waveform ejecting a single droplet from the printhead, are determined so as to achieve that ink drops created by merging different droplets have the same velocity an
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