MAINTENANCE DEVICE AND INKJET RECORDING APPARATUS

Abstract: a maintenance device maintains a head unit including an inkjet head. the maintenance device includes a cap, a supply part, an air pump, and a restriction part. the cap is attached to a nozzle surface of the inkjet head. the supply part stores a humidifying medium, generates a humidified air by passing air through the humidifying medium, and supplies the humidified air to the cap. the air pump sends air recovered from the cap to the supply part through a supply flow pass. the restriction part is provided in the supply flow pass, and generates a loss of pressure of 4�/r or more (�: a surface tension of the humidifying medium wm, r: an inner diameter of the supply flow pass).

Inventor(s): Takashi SOMETE, Yiquan NIE

CPC Classification: B41J2/16507 ({integral with the printhead})

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