SYSTEM AND METHOD FOR ATTENUATING INK WEEPING AND AIR INGESTION IN A PRINTHEAD MOVED BY AN ARTICULATING ARM

An inkjet printer adjusts operation of a vacuum system coupled to a printhead to compensate for pressure changes in the manifold of the printhead caused by vertical displacement of the printhead within the printer. The inkjet printer includes a controller that determines either a difference between...

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Bibliographic Details
Main Authors Rashed, Husein Naser, Burton, Kelly J, Daniels, Marc D, Leighton, Roger G
Format Patent
LanguageEnglish
Published 06.08.2020
Subjects
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 inkjet printer adjusts operation of a vacuum system coupled to a printhead to compensate for pressure changes in the manifold of the printhead caused by vertical displacement of the printhead within the printer. The inkjet printer includes a controller that determines either a difference between an optimal pressure in the manifold and a current pressure to operate a vacuum coupled to the manifold for pressure adjustment or it correlates a current printhead vertical position to a previously observed vertical position and uses a vacuum value associated with the previously observed vertical position to operate the vacuum.
Bibliography:Application Number: US201916268777