Filtering system for removing toner from an air stream in a deve

Details Filtering system for removing toner from an air stream in a deve Filtering system for removing toner from an air stream in a deve

1998-11-20

1999-12-07

Brase, Sandra

Electrophotography

Internal machine environment

Forced air circulation

55300, 55304, 553854, 399 99, G03G 2120

Patent

active

059997699

ABSTRACT:
An electrophotographic printing machine of the type in which an electrostatic latent image recorded on a charge retentive surface is developed with toner particles to form a visible image thereof, including; a housing having a supply of toner and developer therein; a donor member for transporting toner from the housing to the development zone; a means for conveying toner to the donor member; blower for generating a negative air stream for carrying toner therein; and a filter for removing the toner from the negative air stream, the filter including filter material and spring blower, connected thereto, for oscillating the filter material to dislodge toner material collected in the filter when the generating means is disabled.

REFERENCES:
patent: 4792344 (1988-12-01), Belcher et al.
patent: 4868600 (1989-09-01), Hays et al.
patent: 5146279 (1992-09-01), Seyfried

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