(under subclass 24) Subject matter wherein a means or method is provided that determines whether or not a light-responsive member or a portion thereof is defective or needs replacement.
(1) Note. A light-responsive member has a particular physical, electrical, or magnetic characteristic which enables the member to change its (a) electrical resistivity or (b) conductivity or (c) charge or (d) emissivity or (e) magnetic condition or (f) persistent internal polarization upon exposure to radiant energy in the form of light.
SEE OR SEARCH THIS CLASS, SUBCLASS:
116+, for photoconductive member having particular modular or displaceable structure.
161, for advancing a renewable section of photoconductor.