Printing system

A printing system comprising:

• a printing mechanism configured to perform printing on a print medium set at a print position;
• and
• a carrying mechanism configured to carry the print medium set on the carrying mechanism to the print position, flip sides of the print medium on which the printing is performed and then carry the print medium once again to the print position, and further discharge the print medium, wherein
• the printing mechanism is configured to perform,
• when setting except a paper designation in the printing and double-side printing setting is common to single-side printing, first double-side printing, and second double-side printing,
• the single-side printing when the single-side printing is designated to a first print medium sides of which are distinguished from each other, and the first double-side printing when double-side printing is designated to the first print medium, and
• the single-side printing when the single-side printing is designated to a second print medium sides of which are not distinguished from each other, and the second double-side printing when the double-side printing is designated to the second print medium, and
• a print page printed on a first surface set face-down when being fed out of a plurality of print pages included in print data is different between the first double-side printing and the second double-side printing.