Ink-jet recording apparatus, ink container, and method of...

Details Ink-jet recording apparatus, ink container, and method of... Ink-jet recording apparatus, ink container, and method of...

2006-03-27

2009-06-30

Do, An H (Department: 2853)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S007000, C347S017000, C347S093000

Reexamination Certificate

active

07553004

ABSTRACT:
An ink-jet recording apparatus has a recording head that discharges ink from a nozzle to print an image. An ink container consisting of an ink bag and a case is placed above the recording head to supply the ink. A micro pump is connected to the case, to adjust pressure in a room between the ink bag and the case, thereby to control a nozzle internal pressure. Because a pumping height from an outlet of the nozzle to an ink liquid surface in the ink bag has influence on the nozzle internal pressure, a pump controller reads image data of those lines to be recorded later, to predict based on the image data a pumping height at a given time after. Based on the predicted pumping height, the pressure in the room is adjusted to keep the nozzle internal pressure in a predetermined range.

REFERENCES:
patent: 5912688 (1999-06-01), Gragg
patent: 6802584 (2004-10-01), Kageyama
patent: 6935729 (2005-08-01), De Marco et al.
patent: 6973409 (2005-12-01), Shimizu et al.
patent: 2003-300331 (2003-10-01), None

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