Pen maintenance system and method for operating same

Details Pen maintenance system and method for operating same Pen maintenance system and method for operating same

2006-09-12

2006-09-12

Meier, Stephen (Department: 2853)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S029000

Reexamination Certificate

active

07104636

ABSTRACT:
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.

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