To enable the printing of both upper and rear surfaces of a sheet by one satellite type printing press itself and to make a sheet reversing mechanism unrelated to a sheet feed route when the reversal operation of the sheet is unnecessary.

In the satellite type printing press, the sheet reversing mechanism (14), which is constituted of a first transfer cylinder (15), a reversing cylinder (16) and a second transfer cylinder (17) and made detachable with respect to the sheet feed route, is provided on the way of a large number of printing units (9) arranged centering around a common impression cylinder (1) in a satellite state.