Follow the instructions below to configure your Epson thermal receipt printer/cash drawer:

1. Plug in the thermal printer to your computer printer port, to the power supply, and using the cable included, to the cash drawer.
2. Download the driver for your printer here.
3. Once the driver is downloaded, run the installation program.
4. Keep clicking Next until you get to the screen that says "Select Install Module"
5. Click the checkbox next to "Parallel Driver" then scroll down and click the check box next to "Epson TM-T88III Receipt"
6. Click Finish
7. Reboot your computer when the driver asks you to.
8. Once rebooted, click on "Start" then go to "Control Panel" then "Printers and Faxes".
9. Right click the "EPSON TM-T88III Receipt" and go to "Properties".
10. On the "General" tab, click the "Printing Preferences..." button.
11. Click the "Operation" tab at the top of the dialog box.
12. Click the "Start of Document" button.
13. Click the drop-down menu next to "Open Drawer:" and choose "Open drawer1".
14. Click "Ok", "Ok", "Ok".

You can now print from the webPOS system and your cash drawer will open upon printing.