Heat exhaustion apparatus and image forming apparatus using...

Details Heat exhaustion apparatus and image forming apparatus using... Heat exhaustion apparatus and image forming apparatus using...

2008-07-15

2008-07-15

Lee, Susan S (Department: 2852)

Electrophotography

Internal machine environment

Forced air circulation

C399S094000

Reexamination Certificate

active

11271808

ABSTRACT:
Heat exhaust holes are provided in a unit frame at positions just above respective imaging units. An exhaust fan causes air heated at developing elements to be exhausted outside an apparatus via heat exhaust ducts and a common duct. The heat exhaust holes are formed in different sizes depending on a position of the imaging unit. The closer the position of the imaging unit is, the larger the heat exhaust hole provided above the imaging unit is.

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