Electrophotography – Control of electrophotography process – Control of developing
Patent
1998-06-12
1999-10-26
Smith, Matthew S.
Electrophotography
Control of electrophotography process
Control of developing
399 43, 399 46, G03G 1500
Patent
active
059742801
ABSTRACT:
An image forming device includes an optical system for forming an electrostatic latent image on a photosensitive body by exposure of an original in light, a development system for developing the electrostatic latent image, and a control system for controlling the optical system and the development system. The control system detects the concentration of a toner in a developing agent tank, calculating a difference between the detected toner concentration and a predetermined toner concentration, replenishing the toner to the developing agent tank until the detected toner concentration makes a recovery to the predetermined toner concentration, clocking a time period for the recovery and controlling at least one of the amount of the exposure light and the amount of the toner adhering to a photosensitive body based on the clocked time period for the recovery.
REFERENCES:
patent: 4734737 (1988-03-01), Koichi
patent: 4947473 (1990-08-01), Kinashi
patent: 4985823 (1991-01-01), Tada et al.
patent: 5310423 (1994-05-01), Aimoto et al.
patent: 5839018 (1998-11-01), Asanuma et al.
Akazawa Yoshiaki
Murakami Toshihiko
Nakamura Tadashi
Saito Junichi
Sawai Tadayuki
Chen Sophia S.
Conlin David G.
Daley, Jr. William J.
Sharp Kabushiki Kaisha
Smith Matthew S.
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