| 摘要 |
<P>PROBLEM TO BE SOLVED: To stabilize and optimize the output of a high voltage power supply circuit with an inexpensive constitution. <P>SOLUTION: As for the image forming apparatus introducing electrophotograpic technology, the apparatus is provided with the high voltage power supply circuit, a power supply circuit for supplying the power to the high voltage power supply circuit, and a voltage detection means for detecting the voltage level of the power supply circuit, when the voltage level of the power supply circuit is shifted by a prescribed quantity, the voltage level is corrected to the required output voltage level by switching the output level (F value) of the high voltage power supply circuit. <P>COPYRIGHT: (C)2004,JPO |
