Maintaining precise electrostatic control using two ESVs

Details Maintaining precise electrostatic control using two ESVs Maintaining precise electrostatic control using two ESVs

1982-12-07

1994-02-08

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355246, 355328, 430 42, G03G 2100

Patent

active

052852415

ABSTRACT:
Erroneous voltage readings of Electrostatic Voltmeters (ESVs), which have become contaminated by charged particles (i.e. toner) from developer housings used for developing latent images on a photoreceptor surface, are negated by adjusting the readings of the ESVs to compensate for the contamination of the ESVs. Additionally, The developer housing biases are adjusted by an amount equal to the difference between the voltages measured by the ESVs thereby insuring proper development and cleaning fields during development.

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