Developing agent density control method of varying development b

Photocopying – Contact printing – Light boxes

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355203, G03G 2100

Patent

active

054692440

ABSTRACT:
A developing agent density control method includes the steps of forming a density control latent image with a predetermined potential on an image carrier, developing the density control latent image by applying a density control development bias and using a two-component developing agent having a toner and a carrier, sensing the density of the density control image, and controlling a toner-to-carrier ratio on the basis of the sensed density. In this method, the density control development bias is different from a print development bias.

REFERENCES:
patent: 4272182 (1981-06-01), Abe et al.
patent: 4632537 (1986-12-01), Imai
patent: 4883019 (1989-11-01), Menjo et al.
patent: 5253018 (1993-10-01), Takeuchi et al.

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