Recorders – Markers and/or driving means therefor – With ink supply to marker
Patent
1977-06-02
1978-10-31
Miller, Jr., George H.
Recorders
Markers and/or driving means therefor
With ink supply to marker
346 1, G01D 1518
Patent
active
041237617
ABSTRACT:
A method of purging or cleaning ink passages of an ink jet recording device of the type in which a series of ink droplets is ejected from an orifice of a printing head towards a recording medium by the volume displacement of a pressure chamber provided in the printing head, including the steps of applying pressure required for purging to ink within an ink supply source, keeping a valve to open wide and forming a flow of ink in ink passages in one direction towards the orifice, thereby to remove bubbles and impurities present in the ink passages together with the discharged ink. Furthermore, in the present invention, there is provided a suction means associated with the ink jet recording device, which is used to obtain more excellent purging effect in combination with the above-mentioned steps.
REFERENCES:
patent: 3832579 (1974-08-01), Arndt
patent: 3925788 (1975-12-01), Kashio
patent: 3925789 (1975-12-01), Kashio
patent: 3974508 (1976-08-01), Blumenthal
patent: 4007465 (1977-02-01), Chaudhary
patent: 4038667 (1977-07-01), Hou et al.
patent: 4042937 (1977-08-01), Perry et al.
Hatano Takashi
Kawai Masanori
Kimura Yoshiaki
Konishiroku Photo Industry Co,., Ltd.
Miller Jr. George H.
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