Printhead assembly suitable for redirecting ejected ink droplets
AssigneeSilverbrook Research Pty Ltd
InventorsKia Silverbrook, Gregory McAvoy
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Abstract
A printhead assembly suitable for redirecting ejected ink droplets is provided. The printhead assembly comprises: a printhead including a plurality of nozzles for ejecting ink droplets onto a print medium, the plurality of nozzles being formed on an ink ejection surface of the printhead; and a nozzle guard positioned over the ink ejection surface, the nozzle guard having a corresponding plurality of channels therethrough, the channels being aligned with the nozzles such that ejected ink droplets pass through respective channels towards the print medium. The channels have hydrophobic sidewalls, such that ejected ink droplets can rebound and be redirected.
Claims16
A printhead assembly suitable for redirecting ejected ink droplets, the printhead assembly comprising:
- a printhead including a plurality of nozzles for ejecting ink droplets onto a print medium, the plurality of nozzles being formed on an ink ejection surface of the printhead;
- and
- a nozzle guard positioned over the ink ejection surface, the nozzle guard having a corresponding plurality of channels therethrough, the channels being aligned with the nozzles such that ejected ink droplets pass through respective channels towards the print medium,
- wherein the channels have hydrophobic sidewalls.
Dependencies are inferred from the claim text.