1. Enter Ruruyun background management interface, find "Print Settings" in the left navigation bar and click to enter.

2. On the print settings page, you can see the list of printers that have been added, find the printer that needs to be set, and click the "Edit" button on the right.

3. On the printer editing page, you can see the basic information of the printer and the printing setting options. In the "Print Range" column, you can set the range of printed orders, including all orders, unfinished orders, completed orders, etc. Just select the corresponding print range.

4. After setting, click "Save" button to save the settings.