Electrophotography – Internal machine environment – Forced air circulation
Reexamination Certificate
2005-09-13
2005-09-13
Royer, William J. (Department: 2852)
Electrophotography
Internal machine environment
Forced air circulation
C399S100000, C399S170000, C399S172000
Reexamination Certificate
active
06944413
ABSTRACT:
An image forming apparatus includes an image carrier (1), a corona charger (5) in which a discharge electrode (11) is arranged in a conductive shield (9) having an open face on a side facing the image carrier (1) and a face in which a first ventilation opening (10) is formed, and a duct (6) arranged adjacent to the corona charger (5), has an airflow opening (7). The conductive shield is provided with a wall member (22) at an end thereof on the downstream side in the direction of airflow created through the first ventilation opening and is provided with a second ventilation opening (23) in a face on the downstream side in the rotational direction of an image carrier and the duct has a third ventilation opening (24) facing the second ventilation opening and a fourth ventilation opening (25) in a face of the duct.
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Japanese Abstract No. 61015163, dated Jan. 23, 1986.
European Search Report.
Royer William J.
Seiko Epson Corporation
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