Image forming apparatus

Details Image forming apparatus Image forming apparatus

2007-08-21

2007-08-21

Ngo, Hoang (Department: 2852)

Electrophotography

Image formation

Development

C399S055000, C399S270000, C399S276000

Reexamination Certificate

active

11250506

ABSTRACT:
A developing apparatus having: a first developer carrying member close to a developer regulating member for regulating an amount of developer; a second developer carrying member to which the developer is delivered from the first developer carrying member; and a mode for removing the toner on the surface of the second developer carrying member, in which mode, in a non-image-formation period, no toner transfer operation from the first developer carrying member to an image bearing member is substantially performed, but a toner transfer operation from the second developer carrying member to the image bearing member is performed.

REFERENCES:
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patent: 6449448 (2002-09-01), Bessho et al.
patent: 6650858 (2003-11-01), Bessho
patent: 6697596 (2004-02-01), Bessho et al.
patent: 6941099 (2005-09-01), Iwata
patent: 6975825 (2005-12-01), Sakamaki et al.
patent: 10-312110 (1998-11-01), None
patent: 2003-173086 (2003-06-01), None

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