To provide an image forming device that comprises at least a charging means, an exposure means, a development means, and a transfer means around an organic photoreceptor and that forms images repeatedly, the image forming device obtaining a halftone image without a transfer memory or a ghost for a long period of time while maintaining a high transfer rate.

In the image forming device that comprises at least the charging means 22, exposure means 30, development means 23, and transfer means 25 around the organic photoreceptor 21 and that forms an images repeatedly, the most superficial layer of the organic photoreceptor 21 contains at least N-type metal oxide particles, and a transfer current It defined below is 1 A/cm and 10 A/cm. The transfer current It is the current per unit length that flows to the organic photoreceptor by the transfer means.