Image forming apparatus

Details Image forming apparatus Image forming apparatus

1992-04-20

1993-01-05

Moses, Richard L.

Photocopying

Contact printing

Light boxes

355245, G03G 1508

Patent

active

051775336

ABSTRACT:
A toner recovery roller having at least its outer peripheral part made of an insulator and rotated and driven in a predetermined direction is disposed in the vicinity of a position where an image carrier and a developing roller interact with each other, and a triboelectric charging member for triboelectrically charging an outer peripheral surface of the toner recovery roller to a polarity opposite to that of toner particles is so provided as to be brought into contact with the outer peripheral surface of the toner recovery roller.

REFERENCES:
patent: 3838472 (1974-10-01), Oriel
patent: 3937570 (1976-02-01), Hudson
patent: 4841331 (1989-06-01), Nakayama et al.
patent: 4847653 (1989-07-01), Dol et al.

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