A method for controlling a printing/processing system that performs a printing operation on a processing sheet and a processing operation on the processing sheet, the method comprising:
- obtaining printing information for performing the printing operation and processing information for performing the processing operation;
- writing process data into a memory device in correspondence with process-specifying data provided for specifying the process data, the process data being a control program and/or control data based on the obtained processing information;
- printing print data and the process-specifying data on the processing sheet, the print data corresponding to the obtained printing information;
- reading the process-specifying data printed on the processing sheet;
- reading out the process data corresponding to the read process-specifying data by referring to the memory device;
- and
- performing the processing operation based on the read process data.