Non-magnetic one-component developing apparatus

Details Non-magnetic one-component developing apparatus Non-magnetic one-component developing apparatus

1999-04-05

2000-10-17

Grimley, Arthur T.

Electrophotography

Control of electrophotography process

Control of developing

399281, 399285, G03G 1506

Patent

active

061343978

ABSTRACT:
A toner supply bias voltage that is a vibrating voltage comprising an a.c. voltage and a d.c. voltage is applied to a toner supply roller. The d.c. voltage of toner supply bias voltage is changed in dependence upon a variation in the value of developing bias voltage. The lowering in the density at the leading end part of an image, the lowering in the density at the trailing end part of an image, and the uneven developing can be eliminated by satisfying the relationships

REFERENCES:
patent: 5617190 (1997-04-01), Takenaka et al.
patent: 5826138 (1998-10-01), Tsuru et al.

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