Patent ID: 8693060

Claim:
An image forming apparatus comprising: an image forming unit that forms an image on a recording medium; and an image reading device that reads the image formed on the recording medium by the image forming unit, the image reading device including: a reading unit that includes a light source emitting light to irradiate the image on the recording medium transported in a first direction and a light receiving portion that receives light reflected by the recording medium; a transport path forming unit that forms a part of a transport path for the recording medium; a light transmitting portion that is provided in the transport path forming unit and transmits the light; and a plurality of projection members that are provided to the light transmitting portion so as to project from the light transmitting portion toward the transport path, and that are arranged in a second direction crossing the first direction while each extending in the first direction; wherein, when an image forming condition of the image forming unit is adjusted on the basis of a result obtained by, after forming a test image on the recording medium by the image forming unit, reading the test image formed on the recording medium by the image reading device, the image forming unit forms the test image on a part of the recording medium, the part not including facing parts of the recording medium that respectively face the plurality of projection members.