Pulsed voltage development electrode cleaner

Details Pulsed voltage development electrode cleaner Pulsed voltage development electrode cleaner

1989-05-08

1991-06-18

Grimley, A. T.

Photocopying

Contact printing

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118647, 355246, G03G 1506

Patent

active

050252909

ABSTRACT:
A voltage waveform is applied to a development electrode in an electrophotographic apparatus to assist in the cleaning of the development electrode without degrading the photoconductor surface with excessive toner particles. The waveform establishes a bias voltage of one polarity on which are impressed pulses of the other polarity of sufficient amplitude and duration to dislodge charged toner particles from the surface of the development electrode, but insufficient to move the toner particles to the photoconductor surface.

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patent: 4615613 (1986-10-01), Garsin
patent: 4647186 (1987-03-01), Armstrong et al.

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