Image forming apparatus having charging member

Details Image forming apparatus having charging member Image forming apparatus having charging member

1995-02-14

1997-07-08

Smith, Matthew S.

Electrophotography

Image formation

Having transfer of latent image

399 9, 399 10, 399168, 399158, 399296, G03G 1516

Patent

active

056467176

ABSTRACT:
An image forming apparatus includes image forming device for forming an image on a recording material, the image forming device including an image bearing member, a charging member for charging the image bearing member and a voltage source for supplying a voltage to the charging member; and determining device for determining a substantial intersection between an actual voltage-current characteristic curve between the charging member and the image bearing member and a predetermined voltage-current curve predetermined for the charging member, and for determining a bias to be applied to the charging member during image forming operation of the basis of the intersection.

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patent: 4912515 (1990-03-01), Amemiya et al.
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patent: 5128717 (1992-07-01), Uchikawa et al.
patent: 5151736 (1992-09-01), Ohzeki et al.
patent: 5313359 (1994-05-01), Imagawa et al.

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