A printing apparatus comprising: a printing head configured to perform printing in a printing region of a first surface (Ma) of a medium; a support portion (100, 4, 5, 6) configured to support a second surface (Mb) of the medium; a transport unit configured to transport the medium in a transport direction; and a static electricity eliminating material provided facing the second surface, wherein the support portion includes a spacer configured to maintain a predetermined distance between the medium and the static electricity eliminating material, the support portion includes a medium guide mechanism including a shaft member provided over a width direction orthogonal to the transport direction and configured to guide the medium in the transport direction, and the static electricity eliminating material is provided covering a front surface of the shaft member, characterized by the printing apparatus further comprising: a pressing device (21, 23) configured to press, through the spacer, the static electricity eliminating material toward the shaft member, wherein when a frictional coefficient between the shaft member and the static electricity eliminating material is a first frictional coefficient (μ1), a frictional coefficient between the static electricity eliminating material and the spacer is a second frictional coefficient (μ2), and a frictional coefficient between the spacer and the second surface is a third frictional coefficient (μ3), the second frictional coefficient is greater than the first frictional coefficient and the third frictional coefficient. a printing head configured to perform printing in a printing region of a first surface (Ma) of a medium; a support portion (100, 4, 5, 6) configured to support a second surface (Mb) of the medium; a transport unit configured to transport the medium in a transport direction; and a static electricity eliminating material provided facing the second surface, wherein the support portion includes a spacer configured to maintain a predetermined distance between the medium and the static electricity eliminating material, the support portion includes a medium guide mechanism including a shaft member provided over a width direction orthogonal to the transport direction and configured to guide the medium in the transport direction, and the static electricity eliminating material is provided covering a front surface of the shaft member, characterized by the printing apparatus further comprising: a pressing device (21, 23) configured to press, through the spacer, the static electricity eliminating material toward the shaft member, wherein when a frictional coefficient between the shaft member and the static electricity eliminating material is a first frictional coefficient (μ1), a frictional coefficient between the static electricity eliminating material and the spacer is a second frictional coefficient (μ2), and a frictional coefficient between the spacer and the second surface is a third frictional coefficient (μ3), the second frictional coefficient is greater than the first frictional coefficient and the third frictional coefficient. a pressing device (21, 23) configured to press, through the spacer, the static electricity eliminating material toward the shaft member, wherein when a frictional coefficient between the shaft member and the static electricity eliminating material is a first frictional coefficient (μ1), a frictional coefficient between the static electricity eliminating material and the spacer is a second frictional coefficient (μ2), and a frictional coefficient between the spacer and the second surface is a third frictional coefficient (μ3), the second frictional coefficient is greater than the first frictional coefficient and the third frictional coefficient.