abstract |
An image forming apparatus capable of preventing filming with a minimum required simple configuration even when a plurality of photosensitive member linear velocities are provided and the AC frequency of a charging device is fixed. An image forming apparatus having a plurality of photosensitive member linear velocities is charged uniformly on the surface of a photosensitive member by superimposing an AC bias voltage having a fixed frequency on a DC bias voltage as a charging bias voltage. A charging device 3 to be applied, an exposure device 4 that exposes the surface of the charged photoreceptor on the basis of image data, writes a latent image, and a toner is supplied to the latent image formed on the surface of the photoreceptor 1 to make a visible image In the image forming apparatus 100, which includes a developing device 5 that performs transfer, a transfer device 6 that transfers a visible image on the surface of the photoreceptor to a transfer medium, and a cleaning device 7 that cleans the surface of the photoreceptor after the transfer. And a filming removal mode is selected according to the plurality of photosensitive member linear velocities. [Selection] Figure 2 |