Voltage control device for a charge

Details Voltage control device for a charge Voltage control device for a charge

1995-01-09

1996-11-05

Ramirez, Nestor R.

Electrophotography

Control of electrophotography process

Control of charging

G03G 1502

Patent

active

055722954

ABSTRACT:
In a copying processing performed several times from the depression of a copy button of a copying machine until the surface potential of the photoreceptor drum is stabilized, a voltage sufficiently high for correcting the rise characteristic of the photosensitive layer on the drum surface is applied to a charger. A main circuit having a controlling portion to realize this corrects the output voltage of the high-voltage generating circuit which applies a high voltage to the charger to a voltage value necessary for the drum surface to be charged at a stable potential level. The main circuit charges the drum surface at the stable potential level necessary for development from copying of the first sheet.

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IBM Technical Disclosure Bulletin, vol. 19, No. 7, Dec. 1976, pp. 2448-2449 .

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