Image forming apparatus

Details Image forming apparatus Image forming apparatus

1985-10-17

1987-09-22

Moses, R. L.

Photocopying

Including fiber optics

355 30, G03G 1500, G03G 1512

Patent

active

046951512

ABSTRACT:
In an image forming apparatus, an original placed on an exposure table is illuminated for exposure to form an image. The image forming apparatus comprises an optical unit including a light source for exposing the original and a ventilating unit for ventilating the optical unit. The ventilating unit is provided with a fan, a first duct for guiding and discharging air from the fan to the outside of the apparatus, and a second duct for guiding part of the air from the fan so as to drive it back into the optical unit.

REFERENCES:
patent: 3332328 (1967-07-01), Roth
patent: 3561868 (1971-02-01), Ritzerfeld
patent: 3914046 (1975-10-01), Tanaka et al.
patent: 4025180 (1977-05-01), Kurita et al.
patent: 4178092 (1979-12-01), Yamamoto et al.
patent: 4530589 (1985-07-01), Adams

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