Electrophotography – Control of electrophotography process – Having temperature or humidity detection
Patent
1997-07-09
2000-09-26
Lee, Susan S. Y.
Electrophotography
Control of electrophotography process
Having temperature or humidity detection
399 94, 399 97, 399388, G03G 1500, G03G 2100
Patent
active
061252441
ABSTRACT:
An image forming apparatus includes of an image bearing member, an image forming unit for forming a toner image onto the image bearing member, a transfer charging unit for transferring the toner image from the image bearing member to a transfer material at a transfer position, a guide member for guiding the transfer material to the transfer position, a sensor for detecting an ambient environment of the image forming apparatus, and a switch for switching whether the guide member is connected to a constant voltage element or is connected to the ground in accordance with a detection result of the sensor.
REFERENCES:
patent: 4396273 (1983-08-01), Matsuyama et al.
patent: 4491407 (1985-01-01), Mitsuyama et al.
patent: 5379094 (1995-01-01), Wing et al.
patent: 5633703 (1997-05-01), Takenouchi et al.
patent: 5717980 (1998-02-01), Oka et al.
Canon Kabushiki Kaisha
Lee Susan S. Y.
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