Image forming apparatus comprising means for setting a proper bi

Details Image forming apparatus comprising means for setting a proper bi Image forming apparatus comprising means for setting a proper bi

1990-07-17

1991-10-29

Miller, Jr., George H.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

355246, G01D 1514, G03G 2100

Patent

active

050619497

ABSTRACT:
There is disclosed an image forming apparatus comprising a semiconductor laser diode for emitting a laser light onto a photoconductor so as to form an electrostatic latent image thereon. The electrostatic latent image is developed using toner so as to form a visible toner image on the photoconductor, and there is set a predetermined bias voltage to be supplied to the laser diode. The set bias voltage is applied to the laser diode, and also a driving voltage is applied thereto responsive to image data. When no image data are inputted, the predetermined bias voltage is applied to the laser diode, and a density of a toner image formed on the photoconductor is detected. A controller sets a bias voltage to be applied to the laser diode responsive to the detected density of the toner image.

REFERENCES:
patent: 4647950 (1987-03-01), Nosaki et al.
patent: 4679057 (1987-07-01), Hamada
patent: 4728989 (1988-03-01), Ohmori
patent: 4816924 (1989-03-01), Sekiya
patent: 4864419 (1989-09-01), Saito et al.

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