FIELD: chemistry.
SUBSTANCE: back pressure system comprises an anisotropic fibrous element for holding ink based on solvents located in the ink tank, wherein the fibrous element is formed from a plurality of fibres. At least, several fibres face the channel leading to intermediate surface for ink supply.
EFFECT: disclosed is an ink tank having an intermediate surface for feeding ink, a channel which forms a connection between the ink reservoir and an intermediate surface for feeding ink, and a back pressure system.
14 cl, 8 dwg
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