Image forming device, image reading device, non-transitory recording medium storing computer-readable program, image forming method, and image processing device

An image forming apparatus comprising:

• an image forming unit for forming one or more images on a surface of a sheet which is transported in a transporting direction on a transportation path of the image forming apparatus;
• a first image reader for reading a surface of a sheet on the transportation path;
• a second image reader disposed downstream of the first image reader in the transporting direction for reading a surface of a sheet on the transportation path;
• wherein the image forming apparatus has at least three reading modes including a first reading mode, a second reading mode and a third reading mode,
• wherein the first reading mode is the mode using data obtained from the readings by both the first image reader and the second image reader, the second reading mode is the mode using data obtained from the reading by the first image reader, and the third reading mode is the mode using data obtained from the reading by the second image reader, and
• wherein the image forming unit is controlled in accordance with a result of a reading operation of each of the first reading mode, the second reading mode and the third reading mode.