Pen start up algorithm for black and color thermal ink-jet pens

Details Pen start up algorithm for black and color thermal ink-jet pens Pen start up algorithm for black and color thermal ink-jet pens

1993-04-30

1995-10-03

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 30, 347 33, 347 35, 347 19, B41J 2165

Patent

active

054556082

ABSTRACT:
A process for start up of a thermal ink-jet printhead cartridge that includes a sequence of nozzle clearing procedures of increasing severity which are performed in sequence so long as some of the nozzles of the printhead fail to fire ink drops pursuant to ink firing pulses provided to the printhead or until all of the procedures have been performed.

REFERENCES:
patent: 4791435 (1988-12-01), Smith et al.
patent: 4853717 (1989-08-01), Harmon et al.
patent: 4926196 (1990-05-01), Mizoguchi et al.
patent: 4977459 (1990-12-01), Ebinuma et al.
patent: 5103244 (1992-04-01), Gast et al.
patent: 5164748 (1992-11-01), Katayanagi et al.

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