Ink-jet recording apparatus, ink container, and method of filling ink container

An ink-jet recording apparatus has a recording head that discharges ink from a nozzle to print an image. An ink container consisting of an ink bag and a case is placed above the recording head to supply the ink. A micro pump is connected to the case, to adjust pressure in a room between the ink bag...

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Bibliographic Details
Main Author KACHI YASUHIKO
Format Patent
LanguageEnglish
Published 28.09.2006
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 ink-jet recording apparatus has a recording head that discharges ink from a nozzle to print an image. An ink container consisting of an ink bag and a case is placed above the recording head to supply the ink. A micro pump is connected to the case, to adjust pressure in a room between the ink bag and the case, thereby to control a nozzle internal pressure. Because a pumping height from an outlet of the nozzle to an ink liquid surface in the ink bag has influence on the nozzle internal pressure, a pump controller reads image data of those lines to be recorded later, to predict based on the image data a pumping height at a given time after. Based on the predicted pumping height, the pressure in the room is adjusted to keep the nozzle internal pressure in a predetermined range.
Bibliography:Application Number: US20060389077