Image forming device

Details Image forming device Image forming device

2007-04-23

2009-12-15

Gray, David M (Department: 2852)

Electrophotography

Image formation

Development

C399S227000, C399S258000

Reexamination Certificate

active

07634216

ABSTRACT:
The image forming device of the present invention is able to be configured such that it has an image carrier that carries electrostatic latent image, a rotary type developing unit having a plurality of developing machines that stores toner in the interior thereof and is able to develop the electrostatic latent image by providing toner on the image carrier, and a control unit that is configured to execute a toner discharge process that discharges a portion of toner in the interior of a developing machine mentioned after rotating the developing unit, during a time that an image is not being formed and after a single color image formation using only a developing machine out of the plurality of developing machines.

REFERENCES:
patent: 6324354 (2001-11-01), Tode et al.
patent: 7020405 (2006-03-01), Ishikawa et al.
patent: 2004/0146316 (2004-07-01), Yamada et al.
patent: 2004/0265008 (2004-12-01), Tomono et al.
patent: 2006/0072940 (2006-04-01), Morita et al.
patent: 2000-330379 (2000-11-01), None
patent: 2002-351188 (2002-12-01), None

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