Ink level and negative pressure control in an ink jet printer

Details Ink level and negative pressure control in an ink jet printer Ink level and negative pressure control in an ink jet printer

2008-07-01

2008-07-01

Do, An H (Department: 2853)

Incremental printing of symbolic information

Ink jet

Controller

C347S086000

Reexamination Certificate

active

11091994

ABSTRACT:
An ink jet printer having an expandable ink container biased to expand and configured to receive refill ink and an ink reservoir to provide refill ink to the expandable ink container. The printer also has an electronic volume detector to detect a refill value and a full value of the volume of the expandable ink container. The flow of refill ink begins when the volume of the expandable ink container decreases to the refill value and ceases when the volume of the expandable ink container increases to the full value.

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patent: 6315402 (2001-11-01), Kawase
patent: 6736497 (2004-05-01), Jung

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