Maintenance station for printhead with laminar ink flow cleaning methodology
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United States of America Patent
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Nov 16, 2010
Issued Date -
N/A
app pub date -
Mar 17, 2008
filing date -
Oct 11, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a maintenance station for an inkjet printhead assembly. The printhead assembly includes a carrier frame operatively supporting an ink supply manifold and a pagewidth printhead supplied with ink from said manifold. The station is moveable between a cleaning position and a printing position, and includes a drive motor, and a number of rollers of which at least one is operatively actuated by the drive motor. The station also includes a film wound in a loop around said rollers, so that actuation of the rollers by the motor produces a laminar ink flow in a cavity defined by the maintenance station and printhead assembly when in the cleaning position. This enables an ejection surface of the printhead to be cleaned without the film physically contacting said ejection surface.
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