Imaging apparatus and methods for homogenizing ink

Details Imaging apparatus and methods for homogenizing ink Imaging apparatus and methods for homogenizing ink

2006-11-28

2006-11-28

Vo, Anh T. N. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S019000, C347S085000

Reexamination Certificate

active

07140724

ABSTRACT:
Imaging apparatus and methods of homogenizing ink are described. In one implementation an imaging apparatus includes an ink supply to provide ink to be used in printing, and a printhead to apply the ink during printing. A conduit system couples the ink supply and the printhead in fluid flowing relation. A pump is operably coupled to the conduit system. In operation, the pump causes the ink to circulate between the ink supply and the printhead. A timing device measures an idle-time since the pump was last in operation. A controller receives the idle-time measurement from the timing device, and actuates the pump when a selected idle-time is reached. In another implementation, a method for homogenizing ink includes providing a pump, then automatically actuating the pump to homogenize ink within an ink delivery system each time the ink delivery system has been resting for a selected idle-time.

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