Image forming apparatus which detects abnormality condition...

Electrophotography – Image formation – Development

Reexamination Certificate

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Reexamination Certificate

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07155149

ABSTRACT:
An image apparatus comprising a toner supplying device; a toner receiving device; a first toner conduit communicating with the toner receiving device to feed a toner supplied from the toner supplying device; a first feeding device which forms an air stream to feed the toner through the first toner conduit; and a detector which monitors abnormality condition in the course of toner supplying in the apparatus.

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patent: 5815784 (1998-09-01), Kasahara et al.
patent: 5987298 (1999-11-01), Muramatsu et al.
patent: 6112046 (2000-08-01), Suzuki et al.
patent: 6826381 (2004-11-01), Muramatsu et al.
patent: 2001/0041083 (2001-11-01), Terazawa et al.
patent: 2000066557 (2000-03-01), None
patent: 2000-137376 (2000-05-01), None
patent: 2000293079 (2000-10-01), None
patent: 2000305354 (2000-11-01), None

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