Printing apparatus

A printing apparatus comprising:

• a conveyance unit configured to convey a print medium in a conveyance direction;
• a carriage configured to perform scanning in a scanning direction intersecting the conveyance direction;
• a print head mounted on the carriage and including an ejection port array in which a plurality of ejection ports for ejecting liquid are arranged in the conveyance direction to perform printing by ejecting the liquid from the ejection ports onto the print medium conveyed by the conveyance unit;
• a detection unit provided on the carriage and configured to detect a position of an end portion of the print medium;
• and
• a control unit configured to control driving of the conveyance unit,
• wherein a detection range of the detection unit partially overlaps an ejection range in which the liquid is ejected of a range in which the ejection port array is formed, and
• during scanning by the carriage in a case where the detection unit detects the position of the end portion of the print medium, the control unit controls the driving of the conveyance unit so that a conveyance amount by which the conveyance unit conveys the print medium is smaller than an amount of overlap between the detection range of the detection unit and the ejection range of the ejection port array in the conveyance direction.

A printing apparatus comprising:

• a conveyance unit configured to convey a print medium in a conveyance direction;
• a carriage configured to perform scanning in a scanning direction intersecting the conveyance direction;
• a print head mounted on the carriage and including an ejection port array in which a plurality of ejection ports for ejecting liquid are arranged in the conveyance direction to perform printing by ejecting the liquid from the ejection ports onto the print medium conveyed by the conveyance unit;
• a detection unit provided on the carriage and configured to detect a position of an end portion of the print medium;
• and
• a control unit configured to control driving of the detection unit and driving of the carriage,
• wherein the control unit
• performs control to perform printing for each of a plurality of areas obtained by dividing the plurality of ejection ports constituting the ejection port array in the conveyance direction in forward scanning or backward scanning by the carriage, and
• controls the detection unit so that in a case where printing is performed using an area not overlapping a detection range of the detection unit in the conveyance direction among the plurality of areas, the detection unit detects the position of the end portion of the print medium.