PROBLEM TO BE SOLVED: To provide a tablet printing apparatus which can suppress reduction in the printing quality.SOLUTION: A tablet printing apparatus includes: a conveyor belt 21a which conveys a tablet T; a suction chamber body 61 which suctions and holds the tablet T; a supply device 10 which supplies the tablet T to the conveyor belt 21a; a gas blowing part 200 which blows the gas to the tablet T; a detection device 22 which detects the tablet T on the conveyor belt 21a; an imaging device 23 which images the tablet T; a printing device 20 which performs printing on the tablet T; and a gas suction part 300 which suctions the gas from the gas blowing part 200. The gas suction part 300 includes a suction port and an exhaust port. The suction port is the opening provided along the conveyance direction of the tablet and provided on the upstream side in the tablet conveyance direction with respect to the printing device, and the exhaust port is attached to a suction chamber.SELECTED DRAWING: Figure 15【課題】印刷品質の低下を抑えることができる錠剤印刷装置を提供する。【解決手段】実施形態に係る錠剤印刷装置は、錠剤Tを搬送する搬送ベルト21aと、錠剤Tを吸引して保持する吸引チャンバ本体61と、搬送ベルト21aに錠剤Tを供給する供給装置10と、錠剤Tに対して気体を吹き付ける気体吹き付け部200と、搬送ベルト21a上の錠剤Tを検出する検出装置22と、錠剤Tを撮像する撮像装置23と、錠剤Tに対して印刷を行う印刷装置20と、気体吹き付け部200からの気体を吸引する気体吸引部300とを有し、気体吸引部300は吸気口と排気口とを有し、吸気口は、錠剤の搬送方向に沿って設けられる開口であり、印刷装置より錠剤搬送方向上流側に設けられ、排気口は吸引チャンバに取り付けられていることを特徴とする。【選択図】図15