US PATENT SUBCLASS 399 / 98
.~ Particle or contaminant control


Current as of: June, 1999
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399 /   HD   ELECTROPHOTOGRAPHY

91  DF  INTERNAL MACHINE ENVIRONMENT {4}
98.~ Particle or contaminant control {2}
99  DF  .~.~> Toner removal {2}
102  DF  .~.~> Seal {1}


DEFINITION

Classification: 399/98

Particle or contaminant control:

(under subclass 91) Subject matter wherein an arrangement is provided that limits the harmful effects caused by toner dust, mist, or other airborne fragments.

(1) Note. This subject matter also includes applying a voltage or electrical connection to part(s) of the apparatus to prevent the attraction or settling of airborne particles.

SEE OR SEARCH THIS CLASS, SUBCLASS:

343+, for cleaning a photoconductive member.

OTHER CLASSIFICATION SYSTEMS:

ipc{2}G03G21/00, for an arrangement not provided for by groups 13/00 to 19/00 (e.g., cleaning or elimination of residue).

jpofiG03G21/00 310, for cleaning (e.g., elimination of residual magnetic powder or elimination of paper residue).