Liquid drop ejection state detection device and image formation apparatus

A liquid drop ejection state detection device includes a plurality of nozzle sequences configured to have a plurality of nozzles, a light-emitting element configured to emit a light beam incident on a liquid drop from each nozzle of each nozzle sequence, a light-receiving element provided at a posit...

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Bibliographic Details
Main Authors Andoh, Hiroshi, Tokuyama, Kohji, Morinaga, Shigeru, Miki, Hideharu, Kawamichi, Genichiro
Format Patent
LanguageEnglish
French
German
Published 29.04.2020
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:A liquid drop ejection state detection device includes a plurality of nozzle sequences configured to have a plurality of nozzles, a light-emitting element configured to emit a light beam incident on a liquid drop from each nozzle of each nozzle sequence, a light-receiving element provided at a position outside a beam diameter of the light beam and configured to receive scattered light from the liquid drop and detect an ejection state of the liquid drop based on an amount of the scattered light, a light-emitting element movement part configured to move the light-emitting element in a direction intersecting with a light axis of the light beam, and an adjustment part configured to adjust an amount of light of the light beam emitted from the light-emitting element.
Bibliography:Application Number: EP20140175655