To easily regulate a contact state of a transfer roller with a receiving/ delivering roller and an ink fountain roller.

The ink transferring device comprises a first pressing means having a transfer roller 4 arranged between an ink fountain roller 2 and a receiving/delivering roller 3 and oscillatorily supported by an oscillatory driven arm 21 between the roller 2 and the roller 3 at a predetermined rotary shaft as a center and an drive arm 32 having a rotary shaft coaxial with the arm 21 and oscillating in a predetermined period between the roller 2 and the roller 3 and engaged with the arm 32 through an elastic member 33b to the arm 21 when oscillated to the roller 2 side of the arm 32 to press the roller 4 supported with the arm 21 toward the roller 2, and a second pressing means engaged with the arm 21 through an elastic member 33a when oscillated to the roller 3 side to press the roller 4 supported with the arm 21 toward the roller 3.