Ink jet recording apparatus, and method of supplying ink to...

Details Ink jet recording apparatus, and method of supplying ink to... Ink jet recording apparatus, and method of supplying ink to...

2005-03-15

2005-03-15

Nguyen, Lamson (Department: 2853)

Incremental printing of symbolic information

Ink jet

Controller

Reexamination Certificate

active

06866355

ABSTRACT:
Ink from an ink cartridge is supplied along an ink supply tube to a sub-tank mounted on a carriage. Provided for the sub-tank is an ink level detector constituted by a float member on which a permanent magnet is mounted, and Hall devices. Further, a ink consumption counter is also included for calculating the quantity of ink ejected or discharged by a recording head. When a low ink state is detected by the ink level detector and when the value held by the ink consumption counter has reached a predetermined ink quantity total, the supply of ink from the ink cartridge to the sub-tank is initiated.

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