Multicolored image forming apparatus for forming...

Electrophotography – Image formation – Transfer

Reexamination Certificate

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Details

C399S299000, C399S303000

Reexamination Certificate

active

06889027

ABSTRACT:
A junction/disjunction unit of a multicolored image forming apparatus joints/disjoints a transfer material holder with/from an image holder, to switch over between a monochromatic image forming mode which uses a specific image forming unit and a multicolored image forming mode which uses a plurality of image forming units. For switching the image forming mode, a driving unit for driving the junction/disjunction unit also drives an auger provided for conveying toner, which has been recovered by a transfer material holder cleaning unit for recovering toner remaining on the transfer material holder, into a recovery container. Accordingly, a driving force outputted from the driving unit can be effectively utilized, and thereby good cost performance can be realized.

REFERENCES:
patent: 5765082 (1998-06-01), Numazu et al.
patent: 6029023 (2000-02-01), Munemori et al.
patent: 6061542 (2000-05-01), Minami et al.
patent: 6356732 (2002-03-01), Watanabe et al.
patent: 6385427 (2002-05-01), Nakane
patent: 6636711 (2003-10-01), Katahira
patent: 2000-322098 (2000-11-01), None

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