| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of preventing faulty image quality. <P>SOLUTION: Electrification bias applied to an electrifying roller 18 is divided by two resistances 94 and 95, and divided voltage output from the resistance 95 is fed back to the control part of a high-voltage power supply part 66, and the control part controls so that the input divided voltage output may attain a target value. Since a capacitor 96A is provided on the way that the divided voltage output is fed back from the resistance 95 to the control part, time taken until the electrification bias reaches a predetermined value is delayed based on time taken until charge in accordance with capacitance is stored in the capacitor 96A after a power supply circuit for an electrifying roller is started. <P>COPYRIGHT: (C)2008,JPO&INPIT |
