Fluid purge apparatus and method for ink jet printer pen

Details Fluid purge apparatus and method for ink jet printer pen Fluid purge apparatus and method for ink jet printer pen

1998-02-25

1999-05-04

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

B41J 2165

Patent

active

059008903

ABSTRACT:
A service apparatus for servicing an ink jet pen having a housing defining an ink reservoir and including a print head connected to the housing in communication with the reservoir. The apparatus includes an elongated probe having first and second passages, a fluid supply conduit in communication with the first passage, a drain conduit in communication with the second passage, a fluid receptacle separate from the probe, and a vacuum source in communication with the receptacle. The apparatus may be operated by connecting a pen to the fluid conduit to provide fluid communication between the conduit and the reservoir, draining ink from the reservoir through the fluid conduit, generating a flow of rinse fluid into the reservoir, draining the rinse fluid from the reservoir; and expelling ink through the print head.

REFERENCES:
patent: 3076607 (1963-02-01), Cordier
patent: 4362572 (1982-12-01), Wallace
patent: 5199470 (1993-04-01), Goldman
patent: 5329294 (1994-07-01), Ontawar et al.
patent: 5621445 (1997-04-01), Fong
patent: 5793389 (1998-08-01), Mitchell

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