Electrophotography – Internal machine environment – Forced air circulation
Reexamination Certificate
2005-06-09
2008-10-07
Gray, David M. (Department: 2852)
Electrophotography
Internal machine environment
Forced air circulation
C399S107000, C399S341000
Reexamination Certificate
active
07433623
ABSTRACT:
The image forming apparatus cools the recording sheet with a cooling fan having an air duct with a first air-blowing outlet and a second air-blowing outlet for directing air from the cooling fan to an interior of the apparatus. An air flow changing member opens or closes the first and second air-blowing outlets, depending on the conveying path of the recording sheet.
REFERENCES:
patent: 4959693 (1990-09-01), Mitsuya et al.
patent: 5218411 (1993-06-01), Kosugiyama et al.
patent: 6271870 (2001-08-01), Jacob et al.
patent: 2004/0091281 (2004-05-01), Kimizuka
Katada Kazunori
Maruko Masami
Nakamura Masakazu
Gray David M.
Konica Minolta Business Technologies Inc.
Lucas & Mercanti LLP
Roth Laura K
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