Patent ID: 7845788

Claim:
An image forming apparatus, comprising: a head which ejects ink droplets; an intermediate transfer body having a transfer surface on which a transfer image is formed by means of the ink droplets ejected from the head; a transfer device which performs a transfer of the transfer image formed on the transfer surface of the intermediate transfer body to a prescribed transfer-receiving medium; an intermediate transfer body movement device which moves the intermediate transfer body to circulate the transfer surface through a first path from a first position facing the head to a second position facing the transfer device and a second path from the second position to the first position, the second path being different than the first path; a transfer surface reading device which is arranged to face the transfer surface at a third position in the second path between the second position and the first position, and obtains read image data by reading in the transfer surface of the intermediate transfer body after the transfer of the transfer image and before another transfer image is formed on the transfer surface; a judgment device which performs judgment of a transfer state of the transfer surface of the intermediate transfer body in accordance with the read image data obtained by the transfer surface reading device; and a transfer condition changing device which changes a transfer condition of the transfer device in accordance with the judgment of the judgment device.