Image forming apparatus with toner scattering control

Details Image forming apparatus with toner scattering control Image forming apparatus with toner scattering control

1986-05-06

1988-05-24

Prescott, A. C.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 4, 355 3DD, G03G 1508

Patent

active

047469544

ABSTRACT:
The present invention relates to an image forming apparatus having a plurality of developing units, one of which is selectively used for development. The image forming apparatus of the present invention provides for removing the toner intruding into the other developing unit. As a result, the intruding developer on the outer periphery of its developing sleeve can be removed from the developing station before a selected developing unit is initiated into developing operation.

REFERENCES:
patent: 4494863 (1985-01-01), Laing
patent: 4571071 (1986-02-01), Bothner
patent: 4639124 (1987-01-01), Nye, Jr. et al.
patent: 4659211 (1987-04-01), Oka

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