Image forming apparatus with toner recycling device

Details Image forming apparatus with toner recycling device Image forming apparatus with toner recycling device

1996-11-19

1998-04-07

Beatty, Robert

Electrophotography

Cleaning of imaging surface

Having handling of removed material

G03G 2110

Patent

active

057376808

ABSTRACT:
An image forming apparatus capable of collecting a toner remaining on an image carrier after image transfer and conveying the collected toner to a developing unit to reuse it. A toner supplement roller and a toner conveyor are so controlled as to maintain the supplement of a fresh toner from a hopper to the developing unit and the supplement of the collected toner from the toner conveyor to the developing unit in a ratio lying in a predetermined range.

REFERENCES:
patent: 4377334 (1983-03-01), Nishikawa
patent: 4768055 (1988-08-01), Takamatsu et al.
patent: 4894688 (1990-01-01), Taniguchi et al.
patent: 4996538 (1991-02-01), Brecy et al.
patent: 5107302 (1992-04-01), Bisaiji
patent: 5200787 (1993-04-01), Nishiguchi
patent: 5493382 (1996-02-01), Takagaki et al.
patent: 5604575 (1997-02-01), Takagaki et al.

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