Method of adjusting image density parameters by repetitively adj

Details Method of adjusting image density parameters by repetitively adj Method of adjusting image density parameters by repetitively adj

1994-09-12

1996-03-05

Royer, William J.

Photocopying

Contact printing

Light boxes

355208, G03G 2100

Patent

active

054972213

ABSTRACT:
The present invention is directed to a density parameter adjusting method in which adjustment of parameters on an image density based upon detection of a density of a toner image related to a reference density pattern and results of the density detection is repetitively performed at intervals of a standby time so as to obtain appropriate values of the parameters on the image density. The standby time is found based upon a level of drive current for a reflection type photosensor which is set in detecting the density of the toner image related to the reference density pattern.

REFERENCES:
patent: 5006896 (1991-04-01), Koichi et al.
patent: 5057867 (1991-10-01), Ishigaki et al.
patent: 5200780 (1993-04-01), Koichi
patent: 5245390 (1993-09-01), Ishigaki et al.

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