Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2005-08-30
2005-08-30
Hsieh, Shih-Wen (Department: 2861)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S033000, C347S035000, C347S030000
Reexamination Certificate
active
06935719
ABSTRACT:
An ink jet printer has an ink jet head having nozzles for discharging ink into a recording medium to perform printing, and a cap connectable to the ink jet head to cover the ends of the nozzles. To prevent ink from drying on surfaces of the nozzles, the nozzle ends are covered with the cap after completion of printing, and the interior of the cap is filled with ink a predetermined period of time after covering the nozzle ends with the cap. After the elapse of another predetermined period of time from filling the interior of the cap with ink, the interior of the cap is again filled with ink to replenish ink lost from the cap through evaporation. The interior of the cap is filled with ink when power to the ink jet printer is turned off or when no printing is performed for a fixed period time.
REFERENCES:
patent: 5701146 (1997-12-01), Akiyama et al.
patent: 6036299 (2000-03-01), Kobayashi et al.
patent: 6350012 (2002-02-01), Sarkissian
patent: 0997286 (2000-05-01), None
patent: 2184066 (1987-06-01), None
Search Report, Jun. 24, 2003, Marc Collins, Appl. # GB 0306594.3.
Adams & Wilks
Hsieh Shih-Wen
Seiko Instruments Inc.
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