Method of prolonging lifetime of thermal bubble inkjet print hea

Details Method of prolonging lifetime of thermal bubble inkjet print hea Method of prolonging lifetime of thermal bubble inkjet print hea

1998-05-28

2000-10-03

Royer, William J.

Incremental printing of symbolic information

Ink jet

Controller

B41J 2938

Patent

active

061262609

ABSTRACT:
A method of prolonging the lifetime of a thermal-bubble-ink-jet print head. A first pulse is provided to a heater of the print head for generating a first bubble to expel an ink drop. A second pulse is provided to the heater after a delay time for generating a second bubble is generated. The second pulse is not large enough to expel another ink drop.

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