1）Connect the LAN cable to the POS printer. 2）Connect to the electric power and then turn on the printer. Please ensure that the AC adapter is properly connected to the printer before connected to the electric power. 3）Turn on the printer and insert paper, and then press the buttons on the printer according to the picture to print out the printer information with IP Address. 4）Back to the Storeberry Web POS interface and click “Setting” in the top right corner. Enable "Star mC-Print3", and enter the IP address in the column below. Then click “Test Print” and press “Save” after the printer successfully prints a note with "Test Print".