A printing apparatus comprising: a transport unit configured to transport a medium in a transport direction; a printing head configured to perform printing by ejecting liquid onto the medium transported by the transport unit; a carriage mounted with the printing head and configured to move in a scanning direction; an air blowing unit configured to blow air to the medium after printing on which printing is performed by the printing head; a processing unit configured to perform processing related to the medium, wherein the processing unit is one of a cutting unit, a stacker and an image reading unit; and a housing configured to accommodate the transport unit, the printing head, the carriage, the air blowing unit, and the processing unit, wherein the air blowing unit includes a first air blowing unit configured to blow air, a second air blowing unit configured to blow air to the first air blowing unit, an airflow generation unit configured to generate airflow in the first air blowing unit and the second air blowing unit, and an air blowing port configured to blow the air from the first air blowing unit to the medium after printing, the first air blowing unit includes a first air blowing flow path configured to blow air to the air blowing port, the second air blowing unit includes a second air blowing flow path configured to blow air to the first air blowing flow path and a communication port configured for communication between the second air blowing flow path and the first air blowing flow path, the second air blowing flow path has a greater cross-sectional area for blowing air than a cross-sectional area of the first air blowing flow path, the first air blowing unit is located downstream from the printing head in the transport direction of the medium and upstream from the processing unit in the transport direction of the medium, a part or all of the second air blowing unit is located between the housing and the processing unit in a direction along the scanning direction of the carriage, the first air blowing unit and the second air blowing unit are provided at positions where the first air blowing unit and the second air blowing unit face each other in the transport direction of the medium in a first specific region along the scanning direction of the carriage, and the communication port is located at least in the first specific region. a transport unit configured to transport a medium in a transport direction; a printing head configured to perform printing by ejecting liquid onto the medium transported by the transport unit; a carriage mounted with the printing head and configured to move in a scanning direction; an air blowing unit configured to blow air to the medium after printing on which printing is performed by the printing head; a processing unit configured to perform processing related to the medium, wherein the processing unit is one of a cutting unit, a stacker and an image reading unit; and a housing configured to accommodate the transport unit, the printing head, the carriage, the air blowing unit, and the processing unit, wherein the air blowing unit includes a first air blowing unit configured to blow air, a second air blowing unit configured to blow air to the first air blowing unit, an airflow generation unit configured to generate airflow in the first air blowing unit and the second air blowing unit, and an air blowing port configured to blow the air from the first air blowing unit to the medium after printing, the first air blowing unit includes a first air blowing flow path configured to blow air to the air blowing port, the second air blowing unit includes a second air blowing flow path configured to blow air to the first air blowing flow path and a communication port configured for communication between the second air blowing flow path and the first air blowing flow path, the second air blowing flow path has a greater cross-sectional area for blowing air than a cross-sectional area of the first air blowing flow path, the first air blowing unit is located downstream from the printing head in the transport direction of the medium and upstream from the processing unit in the transport direction of the medium, a part or all of the second air blowing unit is located between the housing and the processing unit in a direction along the scanning direction of the carriage, the first air blowing unit and the second air blowing unit are provided at positions where the first air blowing unit and the second air blowing unit face each other in the transport direction of the medium in a first specific region along the scanning direction of the carriage, and the communication port is located at least in the first specific region.