Inkjet printing apparatus

An inkjet printing apparatus, comprising:

• a first transport roller disposed on a transport path transporting a long print medium in a downstream direction;
• a second transport roller disposed on the transport path downstream of the first transport roller;
• a print medium holder disposed downstream of the second transport roller;
• and
• a plurality of recording units discharging ink droplets to the print medium, and performing a recording operation, the print medium being transported on the transport path,
• the first transport roller having a first winding angle upon contact to the print medium,
• the second transport roller having a second winding angle upon contact to the print medium,
• the first winding angle being larger than the second winding angle, the first winding angle being equal to or more than 75 degrees, and the sum of the first winding angle and the second winding angle being equal to or more than 80 degrees,
• the plurality of recording units includes a most-upstream recording unit that includes an ink jet head discharging the ink droplets to a printing area of the print medium between the second transport roller and the print medium holder, and performing a recording operation,
• the second winding angle being defined with respect to a line connecting an upper edge of the second transport roller and an upper edge of the print medium holder when the print medium is delivered to the most-upstream recording unit, and being an acute angle defined between the path of the print medium upstream from the second transport roller, and the path of the print medium downstream from the second transport roller,
• the second transport roller is arranged under an upstream end of the most-upstream recording unit,
• the print medium holder is arranged under the most-upstream recording unit and on a downstream side from the ink jet head of the most-upstream recording unit, and
• the printing area is defined between the second transport roller and the print medium holder,
• wherein the first winding angle is equal to or more than 75 degrees and is equal to or less than 130 degrees, and the second winding angle is equal to or more than 5 degrees and is equal to or less than 15 degrees.