Method and apparatus for ink jet print head nozzle plate cleaning
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United States of America Patent
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Feb 28, 2006
Grant Date -
Jun 9, 2005
app pub date -
Dec 8, 2003
filing date -
Dec 8, 2003
priority date (Note) -
Expired
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Abstract
The present invention provides a method of non-contact, ink jet print head nozzle plate surface cleaning. The method disclose, enables simultaneous non-contact cleaning of all nozzles of a print head nozzle plate having a major and minor dimension and ink ejecting nozzles spanning most of the major dimension. The simultaneous non-contact cleaning of all nozzles of the print head is achieved by providing a print head cleaning arrangement having a pressurized air flow emerging from an air exit slit of length exceeding nozzle plate major dimension.
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