US PATENT SUBCLASS 399 / 29
.~.~.~ Deterioration or developability of toner

Current as of: June, 1999
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399 /   HD   ELECTROPHOTOGRAPHY

9  DF  DIAGNOSTICS {13}
24  DF  .~ Consumable {3}
27  DF  .~.~ Toner {3}
29.~.~.~ Deterioration or developability of toner

DEFINITION

Classification: 399/29

Deterioration or developability of toner:

(under subclass 27) Subject matter wherein a means or method is provided for determining defects or abnormalities in material used to visualize a latent image.

SEE OR SEARCH THIS CLASS, SUBCLASS:

27, for an out-of-toner condition.

30, for the out-of-toner condition being determined by the concentration detector.