>Hello All.
>
>I have an espon TMT88III receipt printer and an electronis cash drawer.
>
>1) Does anyone have a sample code that will trigger the printer to make the cash drawer open?
>
>2) It seems that the OPOS allows only serial port connection not LPTx connection. Is this true or am I missing something?
>
>Thanks.

1) You should received low level communication protol in Manual. Look at it.
2) Yes Epson TM88 printers use RS232(COM1) for communication