| 摘要 |
PROBLEM TO BE SOLVED: To provide a positive electrification type electrophotographic organic photoreceptor that suppresses the deterioration of its sensitivity caused by the reduction of film thickness due to mechanical wear. SOLUTION: In a distributed positive electrification type organic photoreceptor obtained by disposing a photosensitive layer containing an electric charge generating material, an electron transferring material and a hole transferring material on an electrically conductive substrate 1, photosensitive layers 2, 3, 4 different from one another in sensitivity are disposed.
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