Stalagmite dissolving spittoon system for inkjet printheads

Details Stalagmite dissolving spittoon system for inkjet printheads Stalagmite dissolving spittoon system for inkjet printheads

1997-10-27

2000-04-18

Le, N.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 36, B41J 2165

Patent

active

060506717

ABSTRACT:
A spittoon system is provided for avoiding formation of an ink stalagmite during spitting of a pigment-based ink from a first printhead of an inkjet printing mechanism. First, ink is spit from a second inkjet printhead containing a dye-based ink formulation and accumulated in a pool defined by spittoon reservoir having a catch basin. The catch basin is configured to splatter and dissipate the pigment-based ink upon impacting the accumulated pool of ink. The spittoon preferably has funnel-shaped tapering walls that resist collection of the pigment-based ink, to avoid formation of an initial base portion of the ink stalagmite. A method of avoiding formation of such an ink stalagmite, along with an inkjet printing mechanism having such a spittoon system, are also provided.

REFERENCES:
patent: 5563639 (1996-10-01), Cameron et al.
patent: 5617124 (1997-04-01), Taylor et al.
patent: 5680162 (1997-10-01), Taylor et al.
patent: 5719603 (1998-02-01), Nguyen
patent: 5757395 (1998-05-01), Chew et al.

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