Apparatus for forming an image with use of electrophotographic p

Details Apparatus for forming an image with use of electrophotographic p Apparatus for forming an image with use of electrophotographic p

1993-08-10

1999-09-28

Yockey, David F.

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

399 46, B41J 2385, G03G 2100

Patent

active

059596503

ABSTRACT:
In a method for forming a digital image with use of electrophotographic process wherein the gradation is expressed by changing the laser intensity according to image information, at least one of the surface electric potential V.sub.O of photoconductor and the development bias electric voltage V.sub.B is controlled, and the laser intensity is controlled for gradation correction to compensate a change in gradation due to the control of V.sub.O and V.sub.B.

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patent: 4914459 (1990-04-01), Mama et al.
patent: 4989039 (1991-01-01), Hayashi et al.
patent: 5194878 (1993-03-01), Murakami et al.

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