Image forming apparatus with a plurality of image forming units

Details Image forming apparatus with a plurality of image forming units Image forming apparatus with a plurality of image forming units

2011-08-02

2011-08-02

Chen, Sophia S (Department: 2852)

Electrophotography

Image formation

Development

C399S320000

Reexamination Certificate

active

07991328

ABSTRACT:
An image forming apparatus includes a plurality of image forming units for forming a developer image on an image supporting member; a transfer unit for transferring and overlapping the developer image on a medium to form a developer laminated portion; and a fixing unit for fixing the developer laminated portion. One of the image forming units uses transparent developer having a softening point higher than that of color developer used in the other of the image forming units, and having an average particle size larger than that of the color developer.

REFERENCES:
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patent: 2008/0298860 (2008-12-01), Omata
patent: 2009/0041486 (2009-02-01), Yoshioka et al.
patent: 05-249791 (1993-09-01), None
patent: 2002-072613 (2002-03-01), None
patent: 2002-372882 (2002-12-01), None
patent: 2003-228222 (2003-08-01), None

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