Self-priming ink system for ink jet printers

Details Self-priming ink system for ink jet printers Self-priming ink system for ink jet printers

B - Operations, Transporting

41

J

B41J 2/17 (2006.01) B41J 2/165 (2006.01)

Patent

CA 2299428

A priming system for ink jet printers includes a pressurized ink tank (12), an ink supply line (14), an ink bypass line (18) and a valving arrangement (30, 31) which alternately permits either pressurized ink to be supplied to a remote printhead for printing purposes or unpressurized ink to be drawn from the printhead by use of a vacuum source (55) applied to the bypass line (18).

L'invention concerne un système à amorçage automatique pour imprimantes à jet d'encre, comprenant un réservoir d'encre pressurisé (12), un conduit (14) d'alimentation d'encre, un conduit (18) de dérivation d'encre, et un mécanisme de soupape (30, 31) qui permet, soit l'alimentation en encre pressurisée d'une tête d'impression à distance à des fins d'impression, soit l'aspiration d'encre pressurisée depuis la tête d'impression au moyen d'une source (55) à dépression agissant sur le conduit de dérivation (18).

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