1. After the installation is completed, you need to insert the computer into the tax tray and open it. Click the "Scan Invoice" option.
2. In this interface, first set the information of your own enterprise and click "Save".
3. Click "Invoice Name Maintenance" to set the code and tax code of the goods.
4. Click "Print Billing Code", enter the amount, and click "Open".
5. You can print out the catering invoice.