Electrophotographic image forming apparatus having...

Details Electrophotographic image forming apparatus having... Electrophotographic image forming apparatus having...

2007-07-10

2010-12-14

Gray, David M (Department: 2852)

Electrophotography

Image formation

Combined or plural functions by single component

C399S344000

Reexamination Certificate

active

07853177

ABSTRACT:
An electrophotographic image forming apparatus. The apparatus includes first and second photosensitive bodies, first and second exposing units to form electrostatic latent images on the first and second photosensitive bodies respectively charged to a uniform electric potential, a first developing unit to develop an electrostatic latent image of the first photosensitive body by supplying a transparent toner to the electrostatic latent image of the first photosensitive body, and a second developing unit to develop an electrostatic latent image of the second photosensitive body by supplying a color toner to the electrostatic latent image of the second photosensitive body, wherein the first developing unit is a mono-component cleanerless developing unit.

REFERENCES:
patent: 5652649 (1997-07-01), Ikegawa et al.
patent: 5822657 (1998-10-01), Hisada et al.
patent: 6678493 (2004-01-01), Maeyama et al.
patent: 2006/0127134 (2006-06-01), Sakamaki et al.
patent: 2007/0053726 (2007-03-01), Noguchi et al.
patent: 2003162125 (2003-06-01), None
Machine Translation of JP 2003-162125 A.

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