| 摘要 |
PROBLEM TO BE SOLVED: To provide an image forming device capable of reducing vibration noises caused by the vibrations of stepping motors, while securing the rotational accuracy of the stepping motors, even if plural photoreceptor drums are driven with the plural stepping motors. SOLUTION: A phase difference is made between driving pulse trains supplied to the respective stepping motors, so that the phase difference is made between the vibrations generated from the respective stepping motors. When these vibrations are transmitted to the holding members of the stepping motors, to be overlaped, the amplitudes of the vibrations are smaller than those when the phase difference is not made, so that the vibration noises caused by the vibrations can be reduced. |
