This tablet printing device (1) has a transport disk (C) that supports a side surface (5) of a tablet (3) by suction and transports the tablet (3), and inkjet heads (4), (6) with which the side surface (5) or front and rear surfaces (7a), (7b) of the tablet (3) which is transported by the transport disk (C) can be printed. The tablet (3) is transferred at a tablet transfer part (8a) from a transport disk (A) to a transport disk (B), and is transferred at a tablet transfer part (8b) from transport disk (B) to transport disk (C). The tablet (3) is supported by suction by a suction hole (28), which is formed on an end surface (Xc) of transport disk (C), with the majority of the side surface (5) and the entire front and rear surfaces (7a, 7b) exposed. The name of a provider etc. is printed on the side surface (5) of the tablet using inkjet head (4), and the name of an active ingredient or volume are printed on the front and rear surfaces (7a, 7b) using inkjet head (6).錠劑印刷裝置(1)係具備：一邊將錠劑(3)的側面(5)進行吸附支承一邊搬送錠劑(3)之搬送盤(C)、以及可對藉由搬送盤(C)所搬送之錠劑(3)的側面(5)、表背面(7a，7b)進行印刷處理之噴墨頭(4，6)。錠劑(3)是藉由錠劑交接部(8a)從搬送盤(A)移送到搬送盤(B)，並藉由錠劑交接部(8b)從搬送盤(B)移送到搬送盤(C)。錠劑(3)，是藉由形成於搬送盤(C)的端面(Xc)之吸附孔(28)，以側面(5)的大部分和表背面(7a，7b)整體露出的狀態被吸附支承。藉由噴墨頭(4)在錠劑(3)的側面(5)印刷提供廠商名等，並藉由噴墨頭(6)在錠劑(3)的表背面(7a，7b)印刷有效成分名、容量。
