Electrostatic recording apparatus utilizing superimposition of c

Details Electrostatic recording apparatus utilizing superimposition of c Electrostatic recording apparatus utilizing superimposition of c

1995-11-28

1998-05-19

Grimley, Arthur T.

Electrophotography

Control of electrophotography process

Of plural processes

399138, G03G 1500

Patent

active

057549192

ABSTRACT:
A multicolor electrostatic recording apparatus in which two or more different color toner image are superimposed by respective electrostatic recording units. Each of the electrostatic recording units includes an electrostatic latent image carrier, a developer for developing an electrostatic latent image formed on the carrier with a color toner, and a detector for detecting the density of the developed image on the basis of a detecting mark which is formed on the carrier as a part of the latent image and developed by the developer. A discriminating means compares the density data with an optional desired density value to discriminate whether the density data falls in an allowable range. A controller feed-back controls at least one of parameters for determining the density of the developed image so that the density becomes to be in the allowable range, when the density falls out of the allowable range. The parameter is memorized as a compensating data for the density of the developed image, when the density falls in the allowable range. Thus, with the compensating data, a process using the parameter for determining the density of the developed image is carried out.

REFERENCES:
patent: 5351107 (1994-09-01), Nakane et al.
patent: 5400120 (1995-03-01), Narazaki et al.

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