Image forming apparatus

Details Image forming apparatus Image forming apparatus

2007-06-05

2007-06-05

Vo, Anh T. N. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

Reexamination Certificate

active

10766777

ABSTRACT:
An image forming apparatus in which ink depletion detection accuracy will not be deteriorated even if an air bubble is created in an ink supplying path. The image forming apparatus is provided with (a) an ink storage section for storing ink therein, (b) an ink supplying path for supplying, to a print head, the ink stored in the ink storage section, and (c) an electrode for detecting whether the ink is present or absent in the ink supplying path, an amount of the ink supplied into the ink supplying path being 1.0 cc or less per minute.

REFERENCES:
patent: 5565899 (1996-10-01), Sugimoto et al.
patent: 6036305 (2000-03-01), Nagasaki et al.
patent: 03-288654 (1991-12-01), None
patent: 09-240019 (1997-09-01), None
patent: 10-278300 (1998-10-01), None
patent: 2002-036557 (2002-02-01), None
patent: 2002-067353 (2002-03-01), None
U.S. Appl. No. 10/662,354, filed Sep. 16, 2003, M. Matsushita et al.

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