Ink run-out detector, ink cartridge and ink jet recording...

Details Ink run-out detector, ink cartridge and ink jet recording... Ink run-out detector, ink cartridge and ink jet recording...

2006-07-20

2009-06-30

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

Reexamination Certificate

active

07552989

ABSTRACT:
An ink cartridge is provided with an ink run-out checking section having an air-curable curing agent. When the ink contained in the ink cartridge is reduced to expose the checking section to air, the curing agent is cured. A movable pushing member pushes a deformable film of the checking section. If the curing agent is uncured, the movable pushing member stops at a position where the deformable film is deformed into the curing agent. If the curing agent is cured, the deformable film cannot deform, so the movable pushing member stops at a position just in contact with the deformable film. Based on the position of the movable pushing member, a controller judges whether the ink remains or not, as well as whether the ink cartridge is mounted or not.

REFERENCES:
patent: 2005/0190224 (2005-09-01), Yokoyama
patent: 2002-86756 (2002-03-01), None
patent: 2004-188630 (2004-07-01), None

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