A driving device includes: a first driving source; a second driving source; a first gear to which a driving force is transmitted from the first driving source; a second gear to which a driving force is transmitted from the second driving source; a third gear that engages with the first gear and the second gear; and a fixation shaft that pivotally supports the third gear, the fixation shaft being disposed such that a center of the fixation shaft, a rotation center of the first gear and a rotation center of the second gear are disposed on a straight line in which the fixation shaft is provided through the third gear; and a hole having a diameter for compensating eccentricity of the first gear, the second gear and the third gear is formed in the third gear.