Method and apparatus for air removal from ink jet printheads

Details Method and apparatus for air removal from ink jet printheads Method and apparatus for air removal from ink jet printheads

1997-06-02

1999-08-31

Le, N.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

347 30, B41J 219

Patent

active

059460156

ABSTRACT:
A method and apparatus for removing or relocating relatively small air pockets from the reservoirs of ink jet printheads through the use of a decompression technique. In one embodiment, an ink jet cartridge, after being filled with ink, is subjected to a relatively high vacuum by being placed in an evacutable container which is connected to a high vacuum source. The container may hold several cartridges for concurrent processing. In another embodiment, an accessory kit may be used to provide the same decompression process while the cartridge is installed in the printer and located at its maintenance station. The accessory kit could be incorporated into the printer.

REFERENCES:
patent: 5159348 (1992-10-01), Dietl et al.
patent: 5339102 (1994-08-01), Carlotta
patent: 5657058 (1997-08-01), Mochizuki et al.

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