Image forming apparatus

Electrophotography – Image formation – Development

Reexamination Certificate

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Details

C399S269000, C399S272000

Reexamination Certificate

active

11140998

ABSTRACT:
An image forming apparatus which can stably form an image of high quality by the use of a first developer carrying member and a second developer carrying member. On the first developer carrying member, development is performed by a method whereby a magnetic carrier contacts with an image bearing member, and on the second developer carrying member, development is performed by a method whereby the magnetic carrier does not contact with the image bearing member.

REFERENCES:
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patent: 6813462 (2004-11-01), Mitsuya et al.
patent: 6973281 (2005-12-01), Hirobe et al.
patent: 6975825 (2005-12-01), Sakamaki et al.
patent: 6993274 (2006-01-01), Hirobe
patent: 7006774 (2006-02-01), Saito et al.
patent: 7010253 (2006-03-01), Kakimoto
patent: 2004/0076451 (2004-04-01), Hirobe
patent: 2005/0238393 (2005-10-01), Hirobe
patent: 2005/0244195 (2005-11-01), Hirobe et al.
patent: 6-19638 (1994-03-01), None
patent: 2003-323052 (2003-11-01), None
patent: 2004-184988 (2004-07-01), None

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