Ink jet printer

Details Ink jet printer Ink jet printer

1986-03-10

1987-04-28

Goldberg, E. A.

Recorders

Record receiver deforming

346140R, G01D 1518

Patent

active

046618228

ABSTRACT:
An ink jet printer includes a pump which pressurizes an ink to be supplied to a nozzle, which projects an ink jet. When the ink pressure which is supplied to the nozzle exceeds a given value or when the deflection of the ink jet is improper, pressure oscillations are applied to the nozzle by alternately and repeatedly driving and ceasing to drive the pump in order to remove a plugging of the nozzle. If the repeated operation does not result in a reduced ink pressure, the nozzle is connected to a low pressure ink vessel, causing the pressure prevailing within the nozzle to be reduced.

REFERENCES:
patent: 4535339 (1985-08-01), Horine et al.
patent: 4555711 (1985-11-01), Sato

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