Ink disposal system for ink jet printer

Details Ink disposal system for ink jet printer Ink disposal system for ink jet printer

1982-05-10

1984-03-13

Griffin, Donald A.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1518

Patent

active

044371047

ABSTRACT:
The invention is embodied in a pressurized ink supply system for a three color ink jet printer. In order to provide a relatively large ink supply, three stationary primary ink reservoirs, formed as three long tubular sacks of flexible plastic film, contained in a pressurized disposable cartridge, are connected through flexible plastic umbilical tubes, and three solenoid-operated valves, to three secondary ink reservoirs mounted on the movable carriage of the print head.
The pressure in the primary reservoirs, under automatic control, forces the ink to the secondary reservoirs and, under manual control, purges the ink passages and orifices by momentarily opening all of the solenoid valves. The waste ink that is discharged by this purging operation is captured and returned to a separate waste-ink storage chamber in the disposable cartridge. This waste-ink storage chamber is maintained under a slight vacuum by the same pump that provides the pressure for the ink reservoirs.

REFERENCES:
patent: 3945022 (1976-03-01), Distler
patent: 4121222 (1978-10-01), Diebold et al.
patent: 4148041 (1979-04-01), Rosenstock
patent: 4320406 (1982-03-01), Heinzl

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