A printing apparatus comprising: a conveyance mechanism configured to convey a base material; a printing unit configured to perform printing on the base material by ejecting ink; a reading unit (27, 220) configured to read a printed image obtained by printing by the printing unit; a conveyance control unit configured to control a conveyance speed that is a speed at which the conveyance mechanism conveys the base material; and a printing condition setting unit configured to set a printing condition, wherein a batch adjustment process of performing a plurality of times of adjustment processes related to printing in succession based on one instruction from an outside is executable, one adjustment process includes a chart printing process in which the printing unit prints an inspection chart corresponding to a target adjustment item, a chart reading process in which the reading unit reads a printed image of the inspection chart, and a printing condition setting process in which the printing condition setting unit sets a printing condition based on read data obtained by the chart reading process, the conveyance control unit maintains the conveyance speed at a first speed in a period when the chart printing process is performed and a period when the chart reading process is performed, and characterized in that the conveyance control unit is configured to decrease the conveyance speed to a second speed lower than the first speed after an end of the chart reading process in an adjustment process except for an adjustment process that is performed last in the batch adjustment process, and is configured to increase the conveyance speed to the first speed before a start of the chart printing process in an adjustment process that is performed next. a conveyance mechanism configured to convey a base material; a printing unit configured to perform printing on the base material by ejecting ink; a reading unit (27, 220) configured to read a printed image obtained by printing by the printing unit; a conveyance control unit configured to control a conveyance speed that is a speed at which the conveyance mechanism conveys the base material; and a printing condition setting unit configured to set a printing condition, wherein a batch adjustment process of performing a plurality of times of adjustment processes related to printing in succession based on one instruction from an outside is executable, one adjustment process includes a chart printing process in which the printing unit prints an inspection chart corresponding to a target adjustment item, a chart reading process in which the reading unit reads a printed image of the inspection chart, and a printing condition setting process in which the printing condition setting unit sets a printing condition based on read data obtained by the chart reading process, the conveyance control unit maintains the conveyance speed at a first speed in a period when the chart printing process is performed and a period when the chart reading process is performed, and characterized in that the conveyance control unit is configured to decrease the conveyance speed to a second speed lower than the first speed after an end of the chart reading process in an adjustment process except for an adjustment process that is performed last in the batch adjustment process, and is configured to increase the conveyance speed to the first speed before a start of the chart printing process in an adjustment process that is performed next.