A printing apparatus comprising: a support member supporting a can body; a movement route on which the support member moves, wherein the annular-shaped movement route is disposed to cause an axial center of the movement route to be arranged along a horizontal direction, the movement route being formed into an annular shape and including a first linear part, which is a linear-shaped movement route, a second linear part, a first curved part, and a second curved part, each of the curved parts being formed into an arc with a curvature, wherein the first curved part heads downward from above and connects an end portion of the first linear part and an end portion of the second linear part, wherein the second curved part heads upward from below and connects the other end portion of the first linear part and the other end portion of the second curved part, and wherein the first linear part is provided to an uppermost portion of the annular-shaped movement route; and a plurality of inkjet heads performing image formation onto the can body supported by the support member positioned at the first linear part, wherein the plurality of inkjet heads is provided above the first linear part positioned at the uppermost portion, wherein the printing apparatus further comprises a plate printing part, which is provided on a lateral side of the first curved part and performs image formation onto the can body supported by the support member positioned on the movement route by use of a plate printing method, and wherein the printing apparatus further comprises a protection layer forming part, which is provided on a lateral side of the first curved part on the downstream side of the plate printing part and forms a transparent layer covering the image formed on an outer circumferential surface of the can body supported by the support member positioned on the movement route by the plurality of inkjet heads. a support member supporting a can body; a movement route on which the support member moves, wherein the annular-shaped movement route is disposed to cause an axial center of the movement route to be arranged along a horizontal direction, the movement route being formed into an annular shape and including a first linear part, which is a linear-shaped movement route, a second linear part, a first curved part, and a second curved part, each of the curved parts being formed into an arc with a curvature, wherein the first curved part heads downward from above and connects an end portion of the first linear part and an end portion of the second linear part, wherein the second curved part heads upward from below and connects the other end portion of the first linear part and the other end portion of the second curved part, and wherein the first linear part is provided to an uppermost portion of the annular-shaped movement route; and a plurality of inkjet heads performing image formation onto the can body supported by the support member positioned at the first linear part, wherein the plurality of inkjet heads is provided above the first linear part positioned at the uppermost portion, wherein the printing apparatus further comprises a plate printing part, which is provided on a lateral side of the first curved part and performs image formation onto the can body supported by the support member positioned on the movement route by use of a plate printing method, and wherein the printing apparatus further comprises a protection layer forming part, which is provided on a lateral side of the first curved part on the downstream side of the plate printing part and forms a transparent layer covering the image formed on an outer circumferential surface of the can body supported by the support member positioned on the movement route by the plurality of inkjet heads.