Image forming apparatus provided with an attraction charger cont

Details Image forming apparatus provided with an attraction charger cont Image forming apparatus provided with an attraction charger cont

1992-01-31

1994-01-04

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355203, 355207, 355273, G03G 2100

Patent

active

052764834

ABSTRACT:
An apparatus for conveying a transfer material to a position where an image is transferred from an image bearing member such an electrophotographic photosensitive member to it. A humidity detecting device is provided in the image forming apparatus. An attracting device for electrostatically attracting the transfer material on the transfer material conveying device. The attracting device is controlled in accordance with an output of the humidity detecting device. By this, the transfer material can be stably attracted on the carrying device irrespective of the humidity change in the apparatus. When the temperature is taken into account in addition to the humidity, a further preferable attraction control is possible.

REFERENCES:
patent: 3584733 (1971-05-01), Isermann
patent: 4676627 (1987-06-01), Ohno
patent: 4912515 (1990-03-01), Amemiya et al.

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