Out of ink signal mechanism for an inkjet printer

Incremental printing of symbolic information – Ink jet – Controller

Reexamination Certificate

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Details

C347S019000

Reexamination Certificate

active

10769064

ABSTRACT:
An out of ink signal mechanism for an inkjet printer having at least one inkbag is disclosed. The signal mechanism includes a printed circuit board having a circuit associated with each inkbag, a contact spring and at least one lifter. The contact spring is biased towards the printed circuit board so as to normally close the circuit. The lifter is arranged to contact the contact spring when the inkbag is out of ink so as to move the contact spring to open the circuit and thereby signal an out of ink condition of the printer head of the inkjet printer.

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