| 摘要 |
In an electrophotographic device, a method is provided in which laser power is regulated at two predetermined points of gradation. More specifically, a first laser power regulating means which regulates the magnitude of a laser power output and a second laser power regulating means which regulates the slope of laser power gradation characteristic are provided. Thereby, stabilization of the laser power output value is realized at any stage of the gradation, and an electrophotographic device can be provided which reduces variability in image quality between electrophotographic devices.
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