Ink jet recording apparatus

Details Ink jet recording apparatus Ink jet recording apparatus

2005-04-26

2005-04-26

Hsieh, Shih-Wen (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S030000, C347S033000

Reexamination Certificate

active

06883896

ABSTRACT:
A maintenance unit of an ink jet recording apparatus includes a maintenance motor, a cap member that covers nozzles of a print head, a wiper that wipes ink off a nozzle opening area after a cleaning operation for the print head, a suction pump that suctions the ink, a switching valve that includes a plurality of suction ports connected to the cap member, the wiper, and an ink receiver and a discharge port connected to the suction pump, and a cam that controls a rotating angle of the switching valve. The maintenance motor, the suction pump, the switching valve, and the cam are connected by a plurality of gears. The ink discharged during wiping and flushing operations, as well as the cleaning operation, is selectively suctioned by the maintenance unit.

REFERENCES:
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patent: A-7-137271 (1995-05-01), None
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patent: A-2001-47635 (2001-02-01), None
patent: A-2001-270135 (2001-10-01), None
patent: A-2001-277543 (2001-10-01), None

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