Toner density control device

Details Toner density control device Toner density control device

1999-05-17

2000-06-13

Braun, Fred L.

Electrophotography

Control of electrophotography process

Control of developing

399 72, G03G 1508

Patent

active

060759542

ABSTRACT:
A toner density a control device which has first toner density control device and a second toner density control device including a detecting member and, in case the density of the image detected by the detecting member changes by not less than a predetermined value with respect to a standard density, a ratio of the number of density controls by the second density control device with respect to the number of image formations changes.

REFERENCES:
patent: 5253018 (1993-10-01), Takeuchi et al.
patent: 5349377 (1994-09-01), Gilliland et al.
patent: 5469244 (1995-11-01), Ogata et al.
patent: 5559587 (1996-09-01), Ogata et al.
patent: 5579090 (1996-11-01), Sasanuma et al.
patent: 5819132 (1998-10-01), Hirobe
patent: 5950043 (1999-09-01), Fujita et al.

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