Patent ID: 8874016

Claim:
A printing system comprising: a printing unit configured to perform printing on a sheet; a conveyance mechanism that includes a printing path for guiding the sheet to a printing position of the printing unit and a reverse path for reversing the sheet which passes through the printing path and guiding the reversed sheet to the printing position once again; and a controller configured to perform: a double-side printing process using one of a plurality of conveyance methods using one of the printing path and the reversing path, at least two of the conveyance methods having maximum numbers of sheets existing in the conveyance mechanism at the same time different from each other; selecting any one of the plurality of conveyance methods according to instruction from a user; and displaying, before selecting any one of the plurality of conveyance methods, jamming information indicative of at least one of occurrence number of reversing jamming which is a number of times in which sheet jamming occurs at the reversing path during the double-side printing process for each conveyance method, and an occurrence probability of the sheet jamming which is calculated by dividing the occurrence number of the reversing jamming by the accumulative number of printed sheets for each conveyance method, wherein the double-side printing process is performed in accordance with the selected conveyance method.