Title:
記録装置
Document Type and Number:
Japanese Patent JP4577374
Kind Code:
B2
Abstract:
A recording apparatus includes a recording head having a common liquid channel (105,105a); plural pressure chambers (110); plural nozzles (108); plural individual liquid channels (132), each individual liquid channel extending from the common liquid channel via associated pressure chamber to associated nozzle; and plural actuators (21) configured to impart a pressure to a liquid inside a respective one of the pressure chambers; and a control unit (16) configured to drive the actuators; wherein the control unit comprises: an excessive state detection section (65) configured to detect an excessive state in which a pressure difference between a liquid-side pressure and an air-side pressure at a meniscus formed at any one of the nozzles exceeds a threshold value when droplets are ejected from the nozzles, and a meniscus vibration section (66) configured to drive the actuator associated with the nozzle that does not eject droplets such that the meniscus is subjected to vibration without ejecting the droplets.
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Inventors:
Yoshifumi Suzuki
Application Number:
JP2008035773A
Publication Date:
November 10, 2010
Filing Date:
February 18, 2008
Export Citation:
Assignee:
Brother Industries, Ltd.
International Classes:
B41J2/01
Domestic Patent References:
JP6210872A | ||||
JP10006526A | ||||
JP2001232787A | ||||
JP2005059441A | ||||
JP2007304651A | ||||
JP11157076A |
Attorney, Agent or Firm:
Yoshiyuki Kaji
Makoto Suhara
Makoto Suhara