Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means
Reexamination Certificate
2004-12-20
2009-02-17
Stephens, Juanita D (Department: 2853)
Incremental printing of symbolic information
Ink jet
Fluid or fluid source handling means
C347S054000
Reexamination Certificate
active
07490927
ABSTRACT:
A refill unit155for refilling a ink storage compartment46that supplies ink to a printhead22. The ink storage compartment46having an interface61for receiving the refill unit155. The interface61having an inlet valve18biased to its closed configuration. The refill unit155has an inlet valve actuator152for opening the inlet valve18as the refill unit155engages the ink interface61so that the ink in the body is in fluid communication with the ink storage compartment46. By configuring the refill unit so that it opens the inlet valve on the ink cartridge at the same time that it docks with the cartridge, the risk of dust or other contaminants getting into the cartridge is reduced. This improves the performance and operational life of the printhead nozzles.
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Berry Norman Micheal
Hibbard Christopher
Jackson Garry Raymond
Mackey Paul Ian
Nakazawa Akira
Silverbrook Research Pty Ltd
Stephens Juanita D
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