Method of controlling an image forming apparatus when an emergen

Details Method of controlling an image forming apparatus when an emergen Method of controlling an image forming apparatus when an emergen

1995-03-14

1996-08-20

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

G03G 1500

Patent

active

055483771

ABSTRACT:
A method of controlling an image forming apparatus which employs a two-component developing system in which toner is charged with the same polarity as a charging polarity of a photoreceptor, and in which apparatus a charging voltage and a developing bias voltage are applied after the photoreceptor is driven, comprising the steps of stopping drive of the photoreceptor and application of the charging voltage and the developing bias voltage, when an emergency stop signal is generated; and raising the developing bias voltage before starting the drive of the photoreceptor, when the image forming apparatus is restarted.

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