Image forming apparatus

Details Image forming apparatus Image forming apparatus

1998-08-26

2000-02-01

Moses, Richard

Electrophotography

Control of electrophotography process

Responsive to copy media characteristic

399 66, 399299, G03G 1516

Patent

active

060212861

ABSTRACT:
A developing portion forms a toner image, which corresponds to a recording image, with a toner which has been electrically charged to a predetermined electrical potential. A transfer portion, to which an electric potential, different from the electric potential of the toner image, is applied, transfers the toner image onto a recording medium. A first transfer-electric-potential applying portion applies a transfer electric potential to the transfer portion. A carrying portion carries the recording medium so as to cause the recording medium to pass by the transfer portion. A second transfer-electric-potential applying portion sets the recording medium and the carrying portion to cause the recording medium and the carrying portion to have a predetermined electric potential corresponding to the transfer electric potential of the transfer portion.

REFERENCES:
patent: 5041877 (1991-08-01), Matsumoto
patent: 5469248 (1995-11-01), Fujiwara et al.
patent: 5794110 (1998-08-01), Kasai et al.
U.S. Patent Application S.N. 09/042,806 filed: Mar. 17, 1998, entitled Image Forming Apparatus, inventors: Youji Houki et al.

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