Image forming apparatus with toner discharge method

Details Image forming apparatus with toner discharge method Image forming apparatus with toner discharge method

2008-12-11

2010-12-14

Chen, Sophia S (Department: 2852)

Electrophotography

Control of electrophotography process

Control of developing

C399S044000, C430S120100

Reexamination Certificate

active

07853161

ABSTRACT:
A potential difference between the photoreceptor and the development roller is set at a value at which the normally charged toner on the development roller can be flown toward the photoreceptor in the development phase at the time of compulsorily consuming the toner, and this potential difference is set at a value at which the flown normally charged toner can be returned to the development roller in the recovery phase.

REFERENCES:
patent: 2004/0022549 (2004-02-01), Ozawa et al.
patent: 2008/0240759 (2008-10-01), Kouno
patent: 2009/0010666 (2009-01-01), Okuno et al.
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patent: 2006-119309 (2006-05-01), None
patent: 2007-034096 (2007-02-01), None
Decision of Grant issued in corresponding Japanese Patent Application No. 2008-000019, mailed Aug. 3, 2010, and English translation thereof.

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