发明名称 Ink jet printer vacuum purging system
摘要 An ink jet printer comprises a recording head for discharging ink from an end thereof, a capping unit for releasably sealing the end of the recording head, a suction unit for sucking the end of the recording head by a negative pressure and an indication unit for indicating that a suction recovery operation is in progress until the negative pressure of the suction unit reaches a predetermined level.
申请公布号 US4518973(A) 申请公布日期 1985.05.21
申请号 US19830491301 申请日期 1983.05.03
申请人 CANON KABUSHIKI KAISHA 发明人 TAZAKI, SHIGEMITSU
分类号 B41J2/18;B41J2/165;B41J2/185;(IPC1-7):B41J3/04 主分类号 B41J2/18
代理机构 代理人
主权项
地址