Image forming apparatus which supplies toner based on counted si

Details Image forming apparatus which supplies toner based on counted si Image forming apparatus which supplies toner based on counted si

1994-12-07

1996-12-03

Beatty, Robert

Photocopying

Contact printing

Light boxes

355246, G03G 2100

Patent

active

055813267

ABSTRACT:
In an image forming apparatus for forming an electrostatic latent image corresponding to an image signal and for developing the latent image, a signal value corresponding to an amount of toner consumed by the development is counted by using the image signal. A toner supplement mechanism is controlled on the basis of the signal value, and an error component of the counted signal value. In addition, toner is supplied based on the counted signal value or a detected toner density in accordance with the number of image formations.

REFERENCES:
patent: 4312589 (1982-01-01), Brannon et al.
patent: 4626096 (1986-12-01), Ohtsuka et al.
patent: 4833506 (1989-05-01), Kuru et al.
patent: 4847659 (1989-07-01), Resch, III
patent: 4963927 (1990-10-01), Ishihara
patent: 5124751 (1992-06-01), Fukui et al.
patent: 5125045 (1992-06-01), Murakami et al.
patent: 5134444 (1992-07-01), Tabuchi et al.

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