Developing device for image forming apparatus

Details Developing device for image forming apparatus Developing device for image forming apparatus

1996-10-25

1999-01-26

Brase, Sandra

Electrophotography

Control of electrophotography process

Of plural processes

399 55, G03G 1500

Patent

active

058647333

ABSTRACT:
An image forming apparatus including a photoconductive drum, a charger which charges the photoconductive drum, an exposing device which irradiates light to the charged photoconductive drum for forming an electrostatic latent image on the photoconductive drum, a developing device which has two component developer which includes magnetic toner and magnetic carriers and a transfer charger to transfer the developed image to a sheet of paper. The bias voltages of the charger, the developing device and the transfer charger are applied from a common high voltage power source. A developing starting voltage of the developing device is higher than a residual voltage of the photoconductive drum.

REFERENCES:
patent: 4376813 (1983-03-01), Yuge et al.
patent: 4657374 (1987-04-01), Kuramoto et al.
patent: 4794062 (1988-12-01), Oka et al.
patent: 4814834 (1989-03-01), Endo et al.
patent: 5583619 (1996-12-01), Tanaka et al.

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