Detecting device for an image forming apparatus

Details Detecting device for an image forming apparatus Detecting device for an image forming apparatus

2007-02-27

2007-02-27

Royer, William J. (Department: 2852)

Electrophotography

Diagnostics

Cleaning

C399S350000

Reexamination Certificate

active

10942899

ABSTRACT:
The present invention provides a detector that brings a cleaning blade made from elastomer in contact with a photoconductor to observe vibrations of the cleaning blade or a supporting member for the cleaning blade and calculates an index value based upon a normal condition using multi-dimensional data for each frequency obtained by Fourier transform of the vibrations as signals, thereby detecting abnormality of a condition of contact of the cleaning blade with the photoconductor such as the presence of adhesion material or damage to the photoconductor.

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