Image forming apparatus having a photosensitive member of amorphous silicon base and system for exposing and charging the photosensitive member
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United States of America Patent
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May 29, 2001
Grant Date -
N/A
app pub date -
Apr 29, 1999
filing date -
May 6, 1998
priority date (Note) -
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Abstract
An electrophotographic process is implemented with improved ghost memory and with high chargeability even under circumstances of increased process speed or compactified structure and the electrophotographic process forms an image on a photosensitive member having a photosensitive layer through a series of steps including steps of charge elimination, charging, latent image exposure, and development to form a toner image, wherein light used in the latent image exposure step is light of a wavelength within such a range that a value of (optical memory before charging)/(sensitivity) of the photosensitive layer is not more than 1.5 times a minimum value. The optical memory before charging means lowering in chargeability due to light irradiation before charging.
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