Pen maintenance system and method for operating same

A pen having a printhead and a chamber for holding ink; a sensor for monitoring changes in the amount of ink in the chamber; and a pump for selectively drawing ink into or expelling ink from the chamber.

Bibliographische Detailangaben

Hauptverfasser:	Davis, Jeremy A, Waller, David J, Harper, Kit L
Format:	Patent
Sprache:	eng
Online-Zugang:	Volltext bestellen
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