Developing method

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...

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430122, G03G 1309

Patent

active

061364878

ABSTRACT:
In a developing method of exposing the surface of a charged image carrying member to form an electrostatic latent image on the surface of the image carrying member, while conveying a developer containing toners and carriers to a developing region opposite to the image carrying member having the electrostatic latent image formed thereon by a developer conveying member, and applying at least an AC voltage between the image carrying member and the developer conveying member in the developing region, to develop the electrostatic latent image formed on the image carrying member, the relationship among an initial surface potential V0 at the image carrying member, a surface potential Vir at an exposed portion of the image carrying member, a peak-to-peak value Vp-p of the AC voltage applied between the image carrying member and the developer conveying member in the developing region, and a distance Ds (mm) between the image carrying member and the developer conveying member in the developing region satisfies the following condition:

REFERENCES:
patent: 3041169 (1962-06-01), Wielicki
patent: 4374191 (1983-02-01), Mukoh et al.
patent: 5688622 (1997-11-01), Ito et al.
R.M. Schaffert, Electrophotography, Wiley & Sons, NY (1975) pp. 27-36 & 50-51.

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