Ink jet printing apparatus with suction recovery unit

Details Ink jet printing apparatus with suction recovery unit Ink jet printing apparatus with suction recovery unit

1983-09-28

1986-12-23

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1518

Patent

active

046315543

ABSTRACT:
An ink jet printing apparatus has a printing head assembly for ejecting an ink as an ink drop from an opening on a printing medium, the ink being stored inside the ink jet printing apparatus; and an ejection recovery unit, arranged to communicate with the printing head assembly through a channel, for eliminating nonejection of the ink from the printing head assembly by generating a negative pressure, the ejection recovery unit being arranged to determine the negative pressure.

REFERENCES:
patent: 4383263 (1983-05-01), Ozawa
patent: 4394669 (1983-07-01), Ozawa
patent: 4403233 (1983-09-01), Terasawa

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