Ink jet printer nozzle clog preventive apparatus

Details Ink jet printer nozzle clog preventive apparatus Ink jet printer nozzle clog preventive apparatus

1987-05-13

1988-03-29

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1516

Patent

active

047347180

ABSTRACT:
An ink jet printer nozzle clog preventive apparatus includes a cap member provided opposite a printing head on a carriage positioned outside the printing zone, the cap member being movable toward and away from the printing head, a moving mechanism including a driving source for moving the cap member toward the printing head, a pump connected to the cap member interior to achieve a negative pressure in the cap member when the printing head is covered with the cap member, a maintenance solution tank from which to supply maintenance solution to the cap member interior, a control system for controlling the moving mechanism, pump and maintenance solution tank according to the printer state, and an instruction switch for instructing a nozzle recovery operation when air enters the printing head nozzle.

REFERENCES:
patent: 4296418 (1981-10-01), Yamazaki
patent: 4540997 (1985-09-01), Biggs
patent: 4543591 (1985-09-01), Terasawa
patent: 4546363 (1985-10-01), Iwagami
patent: 4571600 (1986-02-01), Hara
patent: 4587535 (1986-05-01), Watanabe

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