With the advance of information technology, digitization has revolutionized workflows in the printing industry, resulting in the explosive growth of the digital production inkjet printer, which is distinguished by its high-speed printing. The further possibility of accelerating the operation is investigated by studying satellite behavior driven by the double-pulse waveform with changing ink properties. A satellite-free condition is achieved when the satellite becomes faster and then merges with the preceding main drop by adjusting the waveform. The satellite speed is correlated with the timing of the filament separation of the jet which is also affected by the ink properties. For high-speed printing, faster jetting is required, although an increase of drop speed and a satellite-free condition are not compatible. Therefore, improvements in both structural design and fabrication technology of the printhead are considered to be required breakthroughs for future advance of the production inkjet.
Naoki Morita, Toshinobu Hamazaki, Toshinori Ishiyama, "Observation on Satellite Behavior by Double-pulse Driving for High-speed Inkjet" in Journal of Imaging Science and Technology, 2016, https://doi.org/10.2352/J.ImagingSci.Technol.2016.60.4.040503