Ink jet printer

Details Ink jet printer Ink jet printer

1980-11-20

1983-04-19

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1518

Patent

active

043807704

ABSTRACT:
An ink jet printer includes pumped-forced circulation of ink through the printer head and a nozzle cap which together eliminate gas from the ink supply and overcome ink stagnation which adversely affect printing quality. Ink from a tank circulates through the printer head and returns to the tank while the nozzles are capped. A brief flow of ink from the nozzles completes a purging of the head prior to printing.

REFERENCES:
patent: 3346869 (1967-10-01), Stone
patent: 3747120 (1973-07-01), Stemme
patent: 3946398 (1976-03-01), Kyser et al.
patent: 3974508 (1976-08-01), Blumenthal
patent: 4007465 (1977-02-01), Chaudhary
patent: 4015272 (1977-03-01), Yamamori et al.
patent: 4045802 (1977-08-01), Fukazawa
patent: 4074284 (1978-02-01), Dexter et al.
patent: 4123761 (1978-10-01), Kimura et al.
patent: 4126868 (1978-11-01), Kirner
patent: 4144537 (1979-03-01), Kimura
patent: 4184169 (1980-01-01), Taylor
Brownlow et al., Ink on Demand using Silicon Nozzles; IBM TDB, vol. 19, No. 6, Nov. 1976, pp. 2255-2256.

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