Developing apparatus

Details Developing apparatus Developing apparatus

1997-11-06

2000-10-17

Grimley, Arthur T.

Electrophotography

Control of electrophotography process

Control of developing

G03G 1506

Patent

active

06134396&

ABSTRACT:
A developing apparatus has a developer support 2 to which a developing bias VB with an AC component VAC superimposed on a DC component is applied for visualizing a latent image on a latent image support 1 in a dual component developer G supported on the developer support 2. It includes a use history estimation 5 for estimating a use history of the developer G or a use history detection device 6 for detecting a use history of the developer G and a developing bias power supply 3 provided with a peak-to-peak voltage changing device 4 for changing a peak-to-peak voltage Vp-p of the AC component VAC based on information from the use history estimation device 5 or the use history detection means 6.

REFERENCES:
patent: 5418097 (1995-05-01), Furuya et al.
patent: 5669050 (1997-09-01), Sakemi et al.
patent: 5682572 (1997-10-01), Murai et al.
patent: 5970280 (1999-10-01), Suzuki et al.

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