Electrophotography – Control of electrophotography process – Of plural processes
Patent
1998-01-27
1999-10-26
Grimley, Arthur T.
Electrophotography
Control of electrophotography process
Of plural processes
399 43, 399 49, 399 50, G03G 1500
Patent
active
059742763
ABSTRACT:
The present invention, for example, forms a test pattern image on the surface of a photosensitive member at predetermined periodicity and detects the density of said test pattern image. If the detected density value of the test pattern image is other than said target value, the charging voltage is preferentially adjusted to maintain a stable toner density. When the adjusted charging voltage attains either an upper limit or a lower limit, the toner density is adjusted.
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Chen Sophia S.
Grimley Arthur T.
Minolta Co. , Ltd.
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