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US08091991B2 Continuous printhead gas flow duct including drain 有权
连续打印头气流管道包括排水管

Continuous printhead gas flow duct including drain
摘要:
In an inkjet printhead using a gas flow, typically air, to deflect select drop into catch, gas flow (air) ducts are employed to direct the air across the drop trajectories. Improved air ducts include liquid flow channels in a wall of the air duct are provided to allow ink to be removed from the air duct without disrupting the air flow in the duct. A process for cleaning the air duct using the liquid flow channel is also provided.
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