Image forming apparatus and process cartridge

Details Image forming apparatus and process cartridge Image forming apparatus and process cartridge

2007-10-23

2007-10-23

Brase, Sandra L. (Department: 2852)

Electrophotography

Internal machine environment

Forced air circulation

C399S359000

Reexamination Certificate

active

11179487

ABSTRACT:
Between a cleaner frame and a reinforced frame of an image forming unit, a junction duct is formed to flow a airflow from a inlet port to a exhaust port of a main body of an apparatus, a space between a fixing unit and the image forming unit is blocked by the airflow, heating of the image forming unit by radiant heat of a fixing unit is prevented, and by blocking a space between the image forming unit and the image quality is improved and the recycle use of recovered toner is realized.

REFERENCES:
patent: 4891678 (1990-01-01), Ishizu et al.
patent: 5392108 (1995-02-01), DeWaters et al.
patent: 6167211 (2000-12-01), Oogi et al.
patent: 6173132 (2001-01-01), Kida et al.
patent: 6621554 (2003-09-01), Ayash et al.
patent: 6643476 (2003-11-01), Kinouchi et al.
patent: 6909864 (2005-06-01), Komatsubara
patent: 2002-189380 (2002-07-01), None

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