Electrophotography – Internal machine environment – Forced air circulation
Reexamination Certificate
2007-12-25
2007-12-25
Ngo, Hoang (Department: 2852)
Electrophotography
Internal machine environment
Forced air circulation
Reexamination Certificate
active
11143706
ABSTRACT:
An image forming apparatus for forming an image on a recording material includes an image bearing member; a charging device for charging the image bearing member; an air path portion for guiding both ozone produced by charging the image bearing member and volatile organic compounds produced in the image forming apparatus toward the outside atmosphere; a catalyst filter provided in the air path portion; and an activated carbon filter provided in the air path portion. The catalyst filter and the activated carbon filter are disposed in the air path portion in series. The catalyst filter is disposed upstream of the activated carbon filter with respect to a direction of flow in the air path portion.
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Patent Abstracts of Japan, Publication No. 02273764, Nov. 8, 1990.
Patent Abstracts of Japan, Publication No. 2004045573, Feb. 12, 2004.
Fujita Takashi
Katayama Hiromasa
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Ngo Hoang
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