Method for charging a photoreceptor to extend the life of a...

Details Method for charging a photoreceptor to extend the life of a... Method for charging a photoreceptor to extend the life of a...

2006-02-21

2008-11-04

Grainger, Quana M (Department: 2852)

Electrophotography

Machine operation

Having power supply

Reexamination Certificate

active

07447461

ABSTRACT:
A method of operating an electrostatographic printing apparatus, the apparatus including a charge-retentive member defining an imaging surface and a charging device for placing a charge on the imaging surface, including the steps of: providing a power supply to apply a bias to the bias charging roll; and applying a bias to the bias charging roll, the applying includes applying a burst modulated waveform to the bias charging roll.

REFERENCES:
patent: 5543900 (1996-08-01), Maebashi et al.
patent: 5613173 (1997-03-01), Kunzmann et al.
patent: 2005/0111868 (2005-05-01), Facci et al.
patent: 2005-157355 (2005-06-01), None

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