Invention Grant
US07755655B2 Exposure device and image forming apparatus 有权
曝光装置和图像形成装置

Exposure device and image forming apparatus
Abstract:
An exposure device for exposing the charged surface of a photoconductive drum is provided with a light source for emitting light based on image information; a rotary multifaceted mirror for reflecting the light emitted from the light source to scan the surface of the photoconductive drum; a driving mechanism for drivingly rotating the rotary multifaceted mirror; an inner casing for covering at least the driving mechanism and the rotary multifaceted mirror; and an outer casing for covering the inner casing from the outside. An air vent for communicating the inside and outside of the inner casing is formed in a part of the inner casing facing the rotary multifaceted mirror.
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