A printing apparatus on which a liquid jet head having a nozzle array made up of a plurality of nozzles is mounted to conduct printing operation, the printing apparatus includes a preliminary discharge acceptor port which receives a discharge liquid not used for the printing operation from the nozzles of the liquid jet head, wherein a length of the preliminary discharge acceptor port along the arranging direction of the nozzle array is shorter than the length of the liquid jet head along the arranging direction of the nozzle array.
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