Method and apparatus for sensing and controlling residual...

Details Method and apparatus for sensing and controlling residual... Method and apparatus for sensing and controlling residual...

2007-12-25

2007-12-25

Tran, Hoan (Department: 2852)

Electrophotography

Control of electrophotography process

Of plural processes

C399S129000

Reexamination Certificate

active

11249699

ABSTRACT:
Disclosed is a method and apparatus for sensing residual toner mass after transfer of a xerographic image, to facilitate the identification and characterization of different types of transfer defects. The technique employed utilizes a nominal residual mass signature, measured at the start of a job, in conjunction with subsequent residual mass signature, where the calculated difference between the nominal and subsequent signatures is used to indicate transfer defects and changes in transfer efficiency.

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