Delivery pressure compensation methods and apparatuses

Details Delivery pressure compensation methods and apparatuses Delivery pressure compensation methods and apparatuses

2007-06-18

2009-12-15

Nguyen, Thinh H (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S014000, C347S019000

Reexamination Certificate

active

07631954

ABSTRACT:
Methods and apparatuses for compensating for changes in delivery pressure and protection of a printhead against increased ink flow resistance caused by air trapped in the felt or foam are described. In an exemplary embodiment, ink ejection flow rates are adjusted to keep delivery pressures safely at or below the maximum sustainable delivery pressure required to protect a micro-fluid ejection device of a printhead assembly.

REFERENCES:
patent: 5682183 (1997-10-01), Wade et al.
patent: 5706037 (1998-01-01), McIntyre
patent: 6126266 (2000-10-01), Numata et al.

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