Kyocera Corporation will commence commercial sales of its KJ4A-EX600RC-HX inkjet printhead in November 2026.
Tailored for packaging and labelling operations, the unit handles white fluid, varnish, and foil embellishments to address requirements for varied decorative finishes.
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The hardware incorporates an internal channel layout that moves fluid adjacent to the nozzles.
This continuous movement prevents particle sedimentation, stops fluid from drying, and stabilises operating temperatures.
Consequently, the mechanism maintains uniform ejection when handling heavily pigmented or high-viscosity fluids, while lowering cleaning and servicing requirements following operational pauses.
Compared with the prior KJ4A-AL model, the maximum droplet capacity has expanded by 23% to 21 pL.
This capacity increase raises white ink opacity over underlying substrates and facilitates thicker three-dimensional layers during varnishing and foil application.
Operating viscosity tolerances have widened from the previous 6–7 mPa·s to 8–11 mPa·s, broadening the selection of fluids usable for specialised surface textures and digital methods.
Furthermore, the printhead features an operating frequency of 40 kHz, double the 20 kHz specification of the KJ4A-AL, enabling line speeds of up to 100 metres per minute.
This rate is among the highest within Kyocera’s UV-compatible range.
For the fiscal period ending 31 March 2026, Kyocera reported consolidated revenue of Y2.07tn ($13.7bn).
