COLOR IMAGE RECORDER
PURPOSE: To provide a color recorder capable of obtaining uniform electrostatic chargeability without irregularity even when electrification for the second and succeeding colors is performed on already developed toner on an image forming body, saving a space so as to be smaller than the space of a s...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE: To provide a color recorder capable of obtaining uniform electrostatic chargeability without irregularity even when electrification for the second and succeeding colors is performed on already developed toner on an image forming body, saving a space so as to be smaller than the space of a scorotron charger, and further being an energy saving type where power source voltage is low, a power source device is miniaturized and power consumption is low. CONSTITUTION: In a color image recording method where the toner images of many colors are superposed on a photoreceptor drum 10 by repeating forming and developing an electrostatic image on the drum 10; an electrifying roller 12 arranged with a minute gap of about 15 to 1000μm from the surface of the drum 10 is provided as a means for uniformly electrifying the surface layer of the drum 10. The color recorder uses the electrifying member for electrifying the drum 10 by the electrifying action of the roller 12 with an aerial discharge phenomenon by impressing electrifying voltage on the roller 12 by using a DC power source or a power source 24 where DC and AC are superposed. |
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