Apparatus and method for maintaining constant drop volumes in a continuous stream ink jet printer

A method an apparatus for maintaining a predetermined ejected ink drop volume in a continuous inkjet printer is provided. An ink parameter, for example, temperature, velocity, flow rate, viscosity, is monitored. A time period between activation control signals provided to an ink drop forming mechani...

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Hauptverfasser: CHWALEK, JAMES M, JEANMAIRE, DAVID L
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A method an apparatus for maintaining a predetermined ejected ink drop volume in a continuous inkjet printer is provided. An ink parameter, for example, temperature, velocity, flow rate, viscosity, is monitored. A time period between activation control signals provided to an ink drop forming mechanism (38) is varied in response to a change in the ink parameter. The apparatus includes an ink parameter monitoring device (64, 80, 92A, 92B, 96A, 96B, or 96C) which provides an input signal to a controller (24). The controller varies the time period between activation control signals provided to the ink drop forming mechanism.