Image forming method, image forming device, and electrostatic la

Details Image forming method, image forming device, and electrostatic la Image forming method, image forming device, and electrostatic la

1998-07-08

2000-04-25

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Post imaging process, finishing, or perfecting composition...

430122, 399270, G03G 9083

Patent

active

060542411

ABSTRACT:
In image forming method comprising an exposure step of forming an electrostatic latent image and a developing step of developing the electrostatic latent image, a developer comprises a magnetic carrier and a toner; a developing curve of the developer at the time when the developer is used has a saturated characteristic, the developing curve being as expression of the relation between the amount of toner transferred to the latent image support member and contrast potential, the contrast potential being determined by the developing bias potential applied to the developer support member and the potential of an exposed portion of the latent image support member; a proportion of the toner in the developer is in a range from 5 to 10% by weight; a time constant of the developer is less than or equal to 40 msec; and the developing step comprises applying developing bias voltage to the developer support member such that an amount of the toner transferred to the latent image support member reaches a saturated range. An image forming device to which the above method is applied and an electrostatic latent image developer used in the above method and device are also provided.

REFERENCES:
patent: 5357317 (1994-10-01), Fukuchi et al.
patent: 5750308 (1998-05-01), Tsujita et al.

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