| 摘要 |
PROBLEM TO BE SOLVED: To provide a full-color electrophotographic device of a tandem system having high durability even during repetitive use and capable of forming a full-color image with stable quality at high speed without causing image degradation. SOLUTION: The full-color electrophotographic device includes an arrangement of multiple image forming elements each comprising at least a photoreceptor (1Y, 1M, 1C, 1Bk) having at least a photosensitive layer containing a naphthalene tetracarboxylic acid diimide derivative having a specified structure, formed on a conductive support, a charging means (2Y, 2M, 2C, 2Bk), an image exposing means (3Y, 3M, 3C, 3Bk), developing means (4Y, 4M, 4C, 4Bk) and a transfer means (5Y, 5M, 5C, 5Bk). COPYRIGHT: (C)2009,JPO&INPIT
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