| 摘要 |
PURPOSE:To provide a high voltage power supply unit having a single high voltage generating part and outputting a charging output and a developing output, for developing an electrostatic latent image formed, from a charging output generating part and a developing output generating part. CONSTITUTION:A high voltage generating part having an oscillator l, switching transistor Q16 and an output transformer T2 to produce a high voltage output, charging output generating part for outputting a charging output generated by overlapping AC voltage by a transformer T3 with DC voltage of rectifying the high voltage output smoothed from this high voltage generating part and a developing output generating part for outputting a developing output generated by overlapping AC voltage by a transformer T4 with DC voltage lower than charging output DC voltage of rectifying the high voltage output smoothed from the high voltage generating part are provided. |
