Recorders – Markers and/or driving means therefor – With ink supply to marker
Patent
1989-07-26
1990-10-30
Miller, Jr., George H.
Recorders
Markers and/or driving means therefor
With ink supply to marker
B41J 2175
Patent
active
049672070
ABSTRACT:
An ink jet printer (30) includes a print head reservoir container (14) having a colorant refill needle (26) extending from the exterior to the interior thereof and a vacuum port (24) therein, and a service station (50) having a valve (52) that controllably connects the refill needle (26) to a colorant supply (56) and controllably connects the vacuum port (24) to a vacuum manifold (60). Colorant is added to the reservoir container (14) by first drawing a vacuum on the interior of the reservoir container (14) with the vacuum manifold (60) connected to the vacuum port (24) and with the refill needle (26) sealed, and then sealing the vacuum port (24), placing the refill needle (26) in communication with the exterior colorant supply (56), and permitting the partial vacuum in the interior of the reservoir container (14) to draw colorant from the colorant supply (56) into the interior of the reservoir container (14).
REFERENCES:
patent: 4187511 (1980-02-01), Robinson
patent: 4714937 (1987-12-01), Kaplinsky
"Recharging your Deskjet Cartridges", Larry Rymal, The Journal of the San Diego Computer Society, May 1989, p. 16.
"Ink Retention in a Color Thermal Inkjet Pen", Erol Ertuk et al., Hewlett-Packard Journal, Aug. 1988, pp. 41-44.
Hewlett--Packard Company
Miller Jr. George H.
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