Method and apparatus for timing adjustment for transfer...

Details Method and apparatus for timing adjustment for transfer... Method and apparatus for timing adjustment for transfer...

2005-01-18

2005-01-18

Ngo, Hoang (Department: 2852)

Electrophotography

Image formation

Transfer

C399S317000

Reexamination Certificate

active

06845224

ABSTRACT:
An apparatus and method for automatically adjusting the timing of a transfer assist blade in an electrostatographic imaging system. The apparatus and method operate by partially toning an area of the photoreceptor and then actuating the transfer assist blade such that it smears at least a portion of the partially toned area. Using an electronic toner area cover sensor system, the amount of smearing can be determined, From this, the timing of engagement of the transfer assist blade with the photoreceptor can be determined and, if necessary, adjusted.

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