Ink supply system and method of supplying ink

Details Ink supply system and method of supplying ink Ink supply system and method of supplying ink

2006-09-12

2006-09-12

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

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

Reexamination Certificate

active

07104637

ABSTRACT:
A closed ink supply system wherein air is sealed outside the system and not allowed to flow into components of the system may include an ink source. A first ink sub-reservoir may also be included that comprises a first top fluid surface at a first sub-reservoir fluid height, a first sub-reservoir ink inlet fluidly connected to the ink source, and a first sub-reservoir outlet and a second sub-reservoir outlet that is above the first sub-reservoir outlet. A print head may also be included that comprises a first print head portion fluidly connected to the first sub-reservoir outlet, and a second print head portion fluidly connected to the second sub-reservoir outlet. The second print head portion may be above the first print head portion, whereby a first pressure at the first print head portion is substantially equal to a second pressure at the second print head portion.

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