PRINTHEAD PRIMING AND VENTING

An example apparatus includes a cap to seal a printhead in a printhead assembly, where the cap includes a priming port and a venting port. A vent connected to the venting port is sealed by a cam controlled vent-arm while a vacuum pump connected to the priming port applies a vacuum to prime the print...

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Bibliographic Details
Main Authors STROM, Berne, JARIABKA, Keith
Format Patent
LanguageEnglish
French
Published 25.07.2019
Subjects
ADDITIVE MANUFACTURING TECHNOLOGY
ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
CORRECTION OF TYPOGRAPHICAL ERRORS
i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME
LINING MACHINES
PERFORMING OPERATIONS
PRINTING
SELECTIVE PRINTING MECHANISMS
STAMPS
TRANSPORTING
TYPEWRITERS
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Summary:An example apparatus includes a cap to seal a printhead in a printhead assembly, where the cap includes a priming port and a venting port. A vent connected to the venting port is sealed by a cam controlled vent-arm while a vacuum pump connected to the priming port applies a vacuum to prime the printhead. The vent is unsealed by the cam controlled vent-arm and the vacuum pump clears ink from the priming cap. Un appareil donné à titre d'exemple comprend un capuchon pour sceller une tête d'impression dans un ensemble tête d'impression, le capuchon comprenant un orifice d'amorçage et un orifice d'aération. Un évent relié à l'orifice d'aération est scellé par un bras d'évent commandé par came tandis qu'une pompe à vide reliée à l'orifice d'amorçage applique un vide pour amorcer la tête d'impression. L'évent est ouvert par le bras d'évent commandé par came et la pompe à vide libère l'encre du capuchon d'amorçage.
Bibliography:Application Number: WO2018US14561