CPC B41J 2/18 (2013.01) [B41J 2/17596 (2013.01)] | 19 Claims |
1. An inkjet printing device, comprising:
a print assembly; and
a print material feed system coupled to the print assembly, the print material feed system comprising:
a first circulation circuit and a second circulation circuit, the first circulation circuit fluidly coupled between the second circulation circuit and the print assembly, the first circulation circuit comprising a supply reservoir, a drain reservoir, and a negative pressure gas flow unit coupled to the supply reservoir and the drain reservoir to control pressure in the supply reservoir and the drain reservoir, and further comprising a third circulation circuit fluidly coupled to the second circulation circuit and comprising a mixing element.
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