Electrophotography – Internal machine environment – Forced air circulation
Patent
1998-09-24
2000-07-25
Lee, Susan S. Y.
Electrophotography
Internal machine environment
Forced air circulation
399325, G03G 2100, G03G 1520
Patent
active
060945494
ABSTRACT:
An electrograph apparatus includes a photoconductor, a charging device for uniformly charging the surface of the photoconductor, a developing device, a charge extinguishing device functioning so that a sheet of printed paper can be easily released, and a fixing device in which denatured silicone oil having a mercapto-group as a functional group is used as a releasing agent, for fixing a toner image copied on a printing paper, in which the fixing device is provided above the charging device and the charge extinguishing device. Further, a deodorizing device having a suction fan and a catalyst filter, at least the surface of which has a catalyst of metal oxide, is provided above the fixing device, the deodorizing device promoting reaction of ozone generated at the charging device and the charge extinguishing device with offensive substances containing mercaptan and further decomposing the ozone and the offensive substances, wherein exhaust gas containing the decomposed ozone and offensive substances is expelled in a direction opposite to the direction of the arrangement of the photoconductor and the developing device.
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Hiraoka Chikara
Kumada Katsumi
Onose Katsuyoshi
Hitachi , Ltd.
Lee Susan S. Y.
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