Some of papers on electrophotographic photoreceptors and materials at Japan Hardcopy and '93 / The 9th NIP International Congress are reviewed. Number of the presentations on electrophotographic photoreceptor was 25 and most of them were concerned with the organic photoreceptor, dealing with carrier generation materials, mono layered photoreceptors, new applications of the organic photoreceptor and fundamental studies on the carrier generation and transport. In electrophotographic materials session, 16 papers were presented and dealt with mono component toners, toners prepared by polymerzation, color toners, the relasionship between resin properties and fusability, and fundamental charactersistics of toner charging.
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