Printer using print cartridge with internal pressure regulator

Details Printer using print cartridge with internal pressure regulator Printer using print cartridge with internal pressure regulator

1998-06-03

2000-10-24

Le, N.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

B41J 2175

Patent

active

061375136

ABSTRACT:
In the preferred embodiment, an inkjet printer includes a replaceable print cartridge which is inserted into a scanning carriage. An ink tube extends from the scanning carriage to a separate ink supply located within the printer. A fluid interconnect on the print cartridge connects to a fluid interconnect on the carriage when the print cartridge is inserted into the carriage to complete the fluid connection between the external ink supply and the print cartridge. In one embodiment, the fluid interconnection is made between the print cartridge and the ink tube simply by placing the print cartridge into a stall in the scanning carriage. A pressure regulator internal to the print cartridge regulates the flow of ink from the external ink supply to the print cartridge. The external ink supply may be pressurized or non-pressurized.

REFERENCES:
patent: 5872584 (1999-11-01), Hauck et al.
patent: 5975686 (1999-11-01), Hauck et al.

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